Author: Embassy Gas

  • Why Your Boiler Trips the Fuse Spur: Electrical Faults in Farnham Homes

    Understanding Why Your Boiler Trips the Fuse Spur

    If you live in a Farnham home and your boiler keeps tripping the fuse spur, you’re not alone. This frustrating issue can leave you without heating or hot water just when you need it most. In towns like Bordon (GU35), Liphook (GU30), Haslemere and Petersfield, homeowners report similar problems, often wondering whether it’s an easy DIY fix or a job for a professional Gas Safe engineer.

    What Is a Fuse Spur and Why Does It Matter?

    A fuse spur is a small, independently fused electrical outlet that supplies power to a single appliance—your boiler, for instance. It usually sits near the boiler and protects the circuit by tripping (cutting power) if there’s a fault. While fuse spurs prevent electrical fires and damage, repeated trips indicate something more serious.

    Common Electrical Issues Causing Trips

    • Overloaded Circuit: Adding new appliances or an old timer switch can overload the spur.
    • Faulty Timer or Programmer: A broken timer within the boiler may short-circuit the supply.
    • Worn Wiring or Connectors: Loose or damaged cables behind the boiler or inside the spur can arc and trip the fuse.
    • Defective PCB: The boiler’s printed circuit board can fail, sending irregular currents.
    • Moisture and Corrosion: In humid areas like parts of GU34 and nearby Liphook, moisture can corrode electrical connections.

    Step-by-Step Troubleshooting Guide

    Before calling out an engineer, there are a few safe checks you can carry out:

    • Reset the Fuse Spur: Switch off the spur and wait 10 seconds before turning it back on. If it holds, monitor your boiler while heating is running.
    • Inspect Visible Wiring: Look for frayed cables or burn marks on the spur cover. Only do this with the power off and the main switch down.
    • Test Other Appliances: If your boiler shares a ring main, plug in another small appliance nearby. If that trips the fuse, the problem may lie in the circuit, not the boiler itself.
    • Check the Timer/Programmer: If your heating schedule isn’t working, the timer could be at fault. Try running the boiler on the manual override to see if the trip still occurs.
    • Note the Trip Pattern: Does it happen every time you turn on the heating? Or only when you use hot water? This helps narrow down the faulty component.

    When to Call a Professional

    If simple checks don’t solve the issue, or you spot signs of burning or overheated parts, it’s time to call your local Gas Safe engineer. Electrical safety is paramount, and only a qualified engineer should dismantle boiler components, test live circuits or replace the fuse cover. Booking regular boiler servicing also helps catch faults before they trip your fuse spur.

    Potential Repairs and Solutions

    • Replace the Fuse Spur: A new, higher-rated fused spur can prevent nuisance trips if your boiler draws more power than the old unit handled.
    • Upgrade to a Dedicated Boiler Connection Unit (BCU): This offers better isolation, an integrated switch and fuse, plus space for additional isolation if needed.
    • Fit a New Boiler Timer: Modern digital programmers are more reliable than old mechanical timers, reducing the risk of short-circuits.
    • Full Rewire of Aged Installations: In older properties around Farnham or Haslemere, rewiring may be the safest long-term solution.
    • New Boiler Installation: If your boiler is over 10 years old and plagued with faults, consider a new boiler installation. Modern boilers are more efficient and less prone to electrical glitches.

    Preventative Maintenance for Peace of Mind

    Regular maintenance reduces surprises. Here’s what you can do:

    • Have an annual service to check electrical connections, PCB health and the timer.
    • Keep the area around your boiler dry and dust-free to prevent corrosion.
    • Ensure the fuse spur is easily accessible and not tucked behind clutter.
    • Consider taking out a boiler cover plan to protect against unexpected repair costs.

    Frequently Asked Questions

    1. Can I replace a fuse spur myself?

    Unless you’re a qualified electrician, it’s best to let a Gas Safe engineer handle fuse spur replacements. Incorrect wiring can lead to risks far greater than a tripped fuse.

    2. How much does it cost to fix an electrical fault in a boiler?

    Costs vary depending on the fault. Simple parts like a timer or fuse spur may cost £80–£150, while PCB replacements or rewiring can cost £300–£600.

    3. My boiler is new but still trips—is that normal?

    No. A new boiler should not trip repeatedly. It could be a faulty component or an installation issue—contact your installer or a Gas Safe engineer for a check-up.

    4. Does boiler cover plan include electrical faults?

    Many boiler cover plans include parts and labour for electrical repairs. Check your policy terms or contact us to see if your plan covers trips to the fuse spur.

    If you need help diagnosing or fixing an electrical fault in your boiler, our local engineers in Farnham and nearby towns like Bordon and Petersfield are ready to assist. Call us on (01420) 558993 or book online at embassygas.com/book.

    Written by Embassy Gas — your local heating experts covering Bordon, Alton, Liphook, Farnham and surrounding areas.

  • Why Your Heating Bills Are Higher Than Usual This Winter in Bordon

    Why Are Your Heating Bills Spiking This Winter in Bordon?

    As the chill of winter tightens its grip across Bordon and neighbouring towns, many homeowners have noticed their energy bills ballooning beyond previous years. For those living in GU35 and GU34 postcodes, rising gas prices, old heating systems and hidden efficiency losses can all add up to an unwelcome shock at the end of the month. Whether you’re in Whitehill, Alton, Liphook or Petersfield, understanding the root causes of your heating cost increase is the first step to getting your bills back under control.

    Common Causes of Efficiency Loss in Local Homes

    Efficiency losses can occur in any property, but older houses around Bordon often face additional challenges. Here are some of the usual suspects:

    • Poor Insulation: Walls, lofts or floors without adequate insulation allow warmth to escape, forcing your boiler to work harder.
    • Draughty Windows and Doors: Gaps around frames let cold air in, reducing indoor comfort and efficiency.
    • Outdated Boiler Technology: Older, non-condensing boilers waste heat that newer models can reclaim.
    • Unsealed Pipework: Pipes passing through uninsulated areas (e.g., under floors) lose heat before radiators can use it.
    • Incorrect Thermostat Settings: Faulty or miscalibrated controls can overheat your home without you realising.

    Boiler Problems That Ramp Up Costs

    Your boiler is the heart of your heating system. An ageing or poorly maintained unit can inflate bills significantly. Common boiler issues include:

    • Limescale and Sludge Build-up: Hard water areas, like parts of Farnham and Petersfield, often lead to deposits that reduce heat transfer.
    • Leaking Components: Even minor leaks drop system pressure and make your boiler work overtime.
    • Faulty Valves and Pumps: Worn parts may cycle on and off too frequently, causing a heating breakdown in extreme cases.

    Regular book your boiler service sessions with a qualified Gas Safe engineer can keep these problems at bay and ensure your system runs at peak efficiency.

    Spot the Warning Signs Early

    Recognising boiler or radiator issues before they escalate is key to avoiding surprise breakdowns and costly repairs:

    • Radiator Problems: Cold spots or uneven heating across units.
    • Unusual Noises: Banging, gurgling or whistling sounds from pipes or the boiler itself.
    • Warning Lights or Error Codes: Your boiler’s display may signal low pressure or other faults.
    • High Energy Usage: A sudden spike in your meter reading without a change in thermostat settings.

    DIY Tips to Boost Home Heating Efficiency

    While some improvements require a professional touch, there are several simple actions Bordon households can tackle themselves:

    • Bleed Your Radiators: Releasing trapped air restores full heat circulation.
    • Install Draught Excluders: Silicone strips or brush seals around windows and doors help retain warmth.
    • Upgrade Your Thermostat: Programmable and smart thermostats ensure your heating runs only when you need it.
    • Insulate Pipes: Lagging exposed pipes under floors or in lofts stops heat loss en route to radiators.
    • Loft and Cavity Wall Insulation: Grants and local schemes in GU30 and nearby postcodes often subsidise these energy-saving upgrades.
    • Review Your Tariff: Compare suppliers to ensure you’re on the most cost-effective plan—or consider boiler cover or a heating plan that bundles services.

    Beyond Repairs: Consider a New Boiler

    If your boiler is over 10 years old, its efficiency may have fallen by 20% or more. Investing in a modern condensing unit not only reduces fuel consumption but can also deliver smarter controls and zones for personalised comfort. Speak to our team about a new boiler installation if you’re noticing frequent breakdowns, or your heat output consistently lags behind your settings.

    When to Call a Professional

    Some issues are best left to a qualified Gas Safe engineer. Contact us if you experience:

    • Persistent low or fluctuating boiler pressure.
    • Visible leaks around valves, joints or pipework.
    • Complete loss of heating or hot water.
    • Repeated fault codes even after resetting the boiler.

    Frequently Asked Questions

    Why have my heating bills risen suddenly this winter?

    Rising energy costs, combined with efficiency losses such as poor insulation, limescale in your boiler and draughts, all drive up consumption. An aged boiler and lack of servicing exacerbate the issue.

    Can I improve efficiency without installing a new boiler?

    Yes. Bleeding radiators, upgrading your thermostat, sealing draughts and scheduling annual boiler servicing all boost system performance without major investment.

    How often should I service my boiler?

    Boilers should be serviced annually by a Gas Safe engineer to ensure safe operation, maintain efficiency and avoid unexpected heating breakdowns.

    What does boiler cover include?

    Boiler cover typically protects you against breakdowns and repair costs, often offering annual safety checks, parts and labour in one affordable plan.

    If you need help with your heating or boiler, our local engineers are here to help. Call us on (01420) 558993.

    Written by Embassy Gas — your local heating experts covering Bordon, Alton, Liphook, Farnham and surrounding areas.

  • Why Your Radiators in Medstead Need Bleeding So Often

    Understanding Recurring Air Ingress in Medstead Radiators

    If you live in Medstead or nearby areas like Bordon, Alton, Liphook or Petersfield and find yourself regularly bleeding radiators, you’re not alone. Frequent air ingress can leave your home feeling cold at the top of radiators, strain your boiler and lead to inefficiencies. In this guide, we’ll explain why air keeps getting into your heating system and share practical steps to reduce the problem.

    What Causes Air to Enter Your Heating System?

    Air can sneak into your radiators for a number of reasons, especially in traditional wet central heating systems found in many GU35 homes. Common causes include:

    • Low System Pressure: A drop in boiler pressure often draws air in through minor leaks or weak joints.
    • Small Leaks: Pinholes in pipework, radiator valves or the boiler itself allow oxygen to enter over time.
    • Corrosion: Rust in radiators or pipes releases hydrogen, which accumulates at the top of the radiator.
    • Faulty Air Vents: Neglecting to service or clean automatic air vents means they can stick open or shut, altering the balance of your system.
    • Poor Initial System Fill: When the heating system was first installed or serviced, an incomplete fill may have trapped air pockets.

    Signs You Have Air in Your Radiators

    • Cold areas at the top of radiators while the bottom remains hot.
    • Frequent need to bleed multiple radiators week after week.
    • Gurgling or bubbling noises when the heating is running.
    • Fluctuating boiler pressure on the gauge.

    Practical Steps to Reduce Air Ingress

    While occasional bleeding is normal, you shouldn’t need to do it more than once or twice a season. Follow these tips to minimise air returning to your radiators:

    1. Check for Leaks Regularly

    Inspect radiator valves, visible pipework and boiler connections. Even tiny drips can introduce air over time. Tighten minor leaks with a radiator spanner and call in a Gas Safe engineer if you spot corrosion or bigger faults.

    2. Monitor Boiler Pressure

    Keep an eye on the pressure gauge—ideally between 1.0 and 1.5 bar when the system is cold. If it dips below 1.0 bar, re-pressurise your boiler using the filling loop. Persistent drops may indicate a hidden leak or faulty pressure relief valve.

    3. Powerflush and Inhibit Your System

    Chemical deposits and sludge increase corrosion and trap air. A professional powerflush clears debris, then adding a corrosion inhibitor protects metal components and reduces hydrogen build-up.

    4. Service Automatic Air Vents

    Ensure that automatic air vents on your radiators and header tanks are clean and working smoothly. Blocked or seized vents can allow air to accumulate and spread through the system.

    5. Consider a Magnetic Filter

    Installing a magnetic filter near the boiler traps metallic debris, preventing sludge from corroding radiators and creating air pockets.

    When to Call in a Professional

    If you’re still bleeding radiators frequently despite these steps, it’s time to involve a qualified Gas Safe engineer. Recurring air ingress can lead to boiler strain, increased energy bills and potential heating breakdowns. Our local team covering Medstead, Haslemere, Whitehill and Liss can diagnose complex issues, perform a full boiler servicing and recommend solutions.

    Boiler Repairs and Upgrades

    Sometimes underlying boiler faults—like corroded heat exchangers or failing seals—are the root cause. Whether you need a minor boiler repair or a complete new boiler installation, we have you covered. Keeping your boiler in top condition prevents air ingress and ensures reliable warmth.

    Protect Your Investment with Cover

    A regular maintenance plan safeguards against unexpected repair costs. Explore our boiler cover plans for peace of mind and priority call-outs in and around Medstead, Hindhead and Farnham.

    Preventative Maintenance Tips

    • Bleed all radiators once the system is cold at the start of each autumn.
    • Top up system pressure as needed—but investigate if you’re topping up more than once a month.
    • Run your heating on a moderate temperature to avoid rapid expansion and contraction of metalwork.
    • Schedule an annual service with a Gas Safe engineer to check seals, valves and vents.

    Frequently Asked Questions

    Q: How often should radiators be bled?
    A: In a well-maintained system, bleeding radiators once at the start of winter is usually sufficient. If you’re doing it weekly, investigate leaks or pressure drops.

    Q: Can leaking radiators cause low boiler pressure?
    A: Yes. Even small drips introduce air and reduce water volume, causing the boiler pressure to fall below recommended levels.

    Q: Will a powerflush stop air ingress?
    A: A powerflush clears sludge and improves water flow, which reduces corrosion and hydrogen build-up. It’s an excellent step, but also address any leaks or vent faults.

    If you need help with your heating or boiler, our local engineers are here to help. Call us on (01420) 558993 or visit embassygas.com/book

    Written by Embassy Gas — your local heating experts covering Bordon, Alton, Liphook, Farnham and surrounding areas.

  • Why Your Boiler Works but the Thermostat Screen Is Blank: Wiring Faults in Four Marks Homes

    Understanding a Blank Thermostat in Four Marks

    If your boiler seems to be working perfectly yet the thermostat screen remains blank, you’re not alone. Many homeowners in Four Marks (GU34) and surrounding areas like Bordon, Alton and Liphook face this irritating issue. A blank display can hide the fact that your thermostat isn’t sending commands to your boiler, leaving you unable to control indoor temperatures or programme your heating schedule.

    Why the Boiler Still Fires Up

    First, it’s worth noting that some modern boilers incorporate an internal timer or are controlled by a separate receiver. If the wiring between your thermostat and boiler fails, the boiler’s internal settings may still allow it to heat up at pre-set times, giving the illusion that everything is working. In reality, the thermostat has simply lost communication, leaving you with a blank screen and limited control.

    Common Wiring Faults to Check

    Most blank thermostat screens in Four Marks properties are down to simple wiring problems. Here are the key culprits:

    • Disconnected or Loose Wires: Over time, vibrations and minor shifts can work wires loose at the thermostat backplate or the boiler junction box.
    • Damaged LV Cables: Pets, nails in walls, or DIY drilling can inadvertently nick low-voltage (LV) thermostat cables, interrupting the signal.
    • Short-Circuited Conductors: Bare cores touching each other will short the circuit, causing a fuse to blow or preventing the display from powering up.
    • Faulty Thermostat Fuse: Some digital thermostats include an internal fuse. A surge or short can cause it to blow.
    • Corroded Connectors: In humid or coastal areas near Farnham or Petersfield, connectors can corrode, breaking the electrical path.

    Step-by-Step DIY Checks

    Before calling a professional, you can perform several safe, simple checks:

    • Turn Off All Power
      Isolate the heating circuit at the consumer unit or boiler switch to prevent electric shock.
    • Inspect the Thermostat Backplate
      Remove the thermostat faceplate and examine the wiring. Ensure screws are tight on the L, N, COM, and NO terminals.
    • Check the Cable Run
      Follow the cable path through walls or trunking. Look for splits, gouges or pinch points, especially near walls shared with neighbouring properties in Four Marks.
    • Test the Fuse
      If your thermostat has a removable fuse, swap it with a spare of the same rating to see if that restores the display.
    • Reconnect and Power Up
      Secure all connections, switch on the power, and see if the screen reappears.

    If these steps restore the display, you’ve fixed the problem. If not, the fault may lie deeper in the wiring or the thermostat itself.

    When to Call Our Four Marks Gas Safe Engineers

    Some issues—such as hidden cable faults or complex receiver malfunctions—need professional attention. Our Gas Safe engineers serving Four Marks, Whitehill and Liss have the tools to:

    • Trace and repair concealed cable faults using specialised detectors.
    • Replace outdated or incompatible thermostats with modern, battery-free models.
    • Check and rewire junction boxes at the boiler to manufacturer specifications.
    • Offer advice on new boiler installation if your system is over 15 years old and keeps developing faults.
    • Protect your investment with flexible boiler cover plans for peace of mind.

    Frequently Asked Questions

    Q: Can I still heat my home if the thermostat is blank?

    A: In some cases, pre-set times in your boiler’s internal timer will continue to call for heat. However, you won’t be able to adjust temperature or schedules without a working display.

    Q: Is it safe to check thermostat wiring myself?

    A: You can safely tighten terminal connections and inspect visible wiring after isolating the power. For concealed faults or component replacements, it’s best to call a qualified engineer.

    Q: How much does it cost to replace a digital thermostat?

    A: A standard digital thermostat replacement in Four Marks typically starts from £120 including parts and labour. Smart or programmable models may cost more, depending on features.

    Q: Will a new boiler installation fix wiring faults?

    A: A new boiler installation includes proper rewiring at the junction box, but you should still address any damaged cable runs separately.

    If you need expert help diagnosing a blank thermostat screen or sorting out a persistent wiring fault, our local engineers are ready to assist. Call us on (01420) 558993 or book online at embassygas.com/book.

    Written by Embassy Gas — your local heating experts covering Bordon, Alton, Liphook, Farnham and surrounding areas.

  • Ofgem’s April 2026 Price Cap Drop: What a 7% Cut Really Means for Your Heating, Hot Water and Next Boiler Decision

    The big story this week: Ofgem cuts the energy price cap by 7% from 1 April 2026

    Ofgem has announced that the energy price cap will fall by 7% for the period 1 April to 30 June 2026. On the headline figures, that means a typical dual-fuel household paying by direct debit will see an annualised bill of around £1,641, which Ofgem frames as roughly £10 per month (around £117 per year) less than the previous cap period.

    For homeowners across Hampshire and Surrey—whether you’re in Bordon, Whitehill, Liphook, Alton, Farnham or Haslemere—this is good news. But it’s also the kind of news that can lead to the wrong decisions: people relax, delay maintenance, or assume switching tariffs doesn’t matter. The reality is the cap is a limit on unit rates and standing charges, not a promise about what you will spend, and it does not remove the underlying volatility in gas and electricity markets.

    What happened (and what actually changes on your bill)

    The price cap is set by Ofgem and limits the maximum that suppliers can charge most households on default or variable tariffs. It’s often reported as an “annual bill”, but the cap is really made up of:

    • Unit rate (pence per kWh) for electricity and gas
    • Standing charge (pence per day) for electricity and gas

    From April, Ofgem says those capped rates and charges will be lower overall, reflecting improved wholesale prices and adjustments to certain policy costs. That’s why the “typical bill” figure falls. But your own result depends on:

    • How much energy you use (kWh) and when you use it
    • Your property’s insulation level and draughtproofing
    • Your heating system efficiency (modern condensing boiler vs older boiler, radiator sizing, controls)
    • Your tariff type (variable under the cap vs a fixed tariff)
    • Your meter type (credit, prepay, smart meter) and payment method

    Why it matters: the price cap drop changes the maths on heating decisions

    When prices climb, the “payback” on efficiency upgrades looks very attractive. When prices fall, people often assume upgrades stop being worth it. In practice, a lower cap changes the payback period—but it rarely removes the benefit altogether, especially for gas heating.

    Most homes around our patch—particularly in Farnham, Alton and parts of Liphook and Haslemere—are still predominantly gas-heated. If you have:

    • a boiler more than 10–12 years old,
    • inconsistent hot water,
    • cold radiators,
    • short-cycling (boiler constantly firing on and off), or
    • high gas use compared with similar homes,

    …then even a 7% cap drop won’t “fix” the underlying issue. It just slightly reduces the cost of running an inefficient setup.

    What it means technically (in plain English): where your heating costs really come from

    On a typical gas-heated home, the biggest chunk of your annual energy spend is still space heating (keeping the house warm), followed by hot water. Your ability to benefit from a lower unit rate depends heavily on whether your heating system can run efficiently at lower temperatures.

    1) Boiler efficiency isn’t a single number—it depends on how it’s set up

    A modern condensing boiler is most efficient when it can condense for long periods. That happens when the return water temperature back to the boiler is low enough (typically under about 55°C). Two practical things decide whether that occurs:

    • Flow temperature settings (what temperature the boiler sends water out to radiators)
    • Radiator output (whether your radiators are big enough to heat rooms without needing very hot water)

    If your boiler is set to a high flow temperature “just in case”, it may run hotter than needed, condense less, and burn more gas. A lower price cap doesn’t change physics. If your system is over-temperature, you’re still paying more than you need to.

    2) Controls matter more than most people realise

    A lot of homes in Bordon and Whitehill have had extensions, garage conversions or reconfigured rooms over the years. That often leaves heating controls lagging behind the layout. When controls are basic, the boiler tends to heat the whole house on one schedule, even if only two rooms are occupied.

    Well-set controls can reduce waste by:

    • preventing overheating (especially bedrooms and spare rooms)
    • reducing boiler cycling
    • supporting lower flow temperatures

    Room thermostats, TRVs (thermostatic radiator valves), smart zoning and weather compensation aren’t “gadgets”—they’re how you stop paying to heat spaces you aren’t using.

    3) Standing charges still bite, especially for low users

    Even if unit rates fall, the standing charge is paid every day. For smaller households (or those who are out a lot), standing charges can make the bill feel stubbornly high. You can’t “use less standing charge”. That’s why focusing only on “7% down” can be misleading. The best strategy is to reduce wasted kWh while also checking if your supplier offers a tariff structure that suits your usage pattern.

    What it means financially: how to turn a lower cap into real savings

    Ofgem’s headline saving is based on a typical use profile—not yours. To make this cap reduction show up meaningfully in your monthly outgoings, you need to do two things: make sure you’re on the right tariff and make sure your system is running efficiently.

    Tariffs: the cap is not automatically the cheapest deal

    The cap applies to default/variable tariffs, not to every fixed tariff. Suppliers sometimes price fixed deals under the cap to win customers, or they may price them above the cap if they expect wholesale prices to rise. The practical homeowner approach is:

    • Check what you’re currently on (variable under the cap or fixed)
    • Compare your unit rates and standing charges against available alternatives
    • Consider your risk tolerance: fixed for certainty, variable for flexibility

    If you’re in a larger family home around Alton or Farnham with higher consumption, a slightly better unit rate can outweigh a slightly worse standing charge. For smaller households in Haslemere or Liphook, the standing charge can dominate, so you need to compare carefully.

    Boiler settings: the quickest “bill reduction” lever you can control

    If you have a combi or system boiler, your current flow temperature may be higher than necessary. Many homes can run comfortable heating with a flow temperature of 55–65°C (sometimes lower), depending on radiator sizing and insulation. Hot water on a combi is separate and often needs to remain higher to achieve a good tap temperature.

    What to do safely:

    • Heating flow temp: reduce it gradually, then monitor comfort over a few days
    • Hot water (combi): keep at a sensible level for comfortable use
    • Hot water cylinder (system boiler): keep stored hot water set to a safe temperature (typically at least 60°C at the cylinder to control legionella risk)

    If you lower the heating flow temperature and the house struggles to warm up, that’s useful information: it can indicate undersized radiators, balancing issues, or that your home’s heat loss is high—each of which can be addressed.

    Service and system health: efficiency drops silently

    Even a good boiler loses efficiency if the system water is poor, radiators are sludged, or the burner isn’t set up cleanly. With gas prices still high historically (even after this cap drop), neglecting servicing is a false economy.

    Homeowners often ask whether a service “pays for itself”. It’s not a guaranteed immediate saving, but it commonly prevents:

    • minor faults becoming breakdowns (especially at the worst time)
    • inefficient combustion due to worn parts or incorrect set-up
    • pump strain and noisy systems due to sludge or air

    What it means locally: Bordon, Whitehill, Liphook, Alton, Farnham and Haslemere realities

    Across our local area, we see a mix of property types—newer estates, older cottages, 1930s semis and larger detached homes. That mix matters because the best response to a price-cap change is different depending on your home.

    More modern homes (often seen around parts of Bordon and newer pockets near Whitehill)

    These properties are often better insulated and may already have decent controls, which means your biggest win is usually optimising settings (lowering flow temperature, fine-tuning schedules, and making sure TRVs are doing their job). The price cap drop will reduce costs, but you can magnify the benefit with small changes.

    Older and character homes (common around Farnham, Haslemere and older parts of Liphook)

    With higher heat loss and sometimes quirky layouts, these homes often rely on hotter radiator temperatures. Here, the practical plan is usually:

    • draft proofing and insulation upgrades where possible (loft, secondary glazing approaches, chimney balloons when not in use)
    • radiator upgrades in the coldest rooms
    • hydraulic balancing so heat reaches the farthest radiators properly

    A 7% unit-rate drop is welcome, but these homes can still benefit massively from upgrading the system so the boiler can run steadily rather than blasting on/off at high temperature.

    Family homes with high hot-water use (common around Alton and larger properties near Farnham)

    If you’re using a lot of hot water—back-to-back showers, multiple bathrooms—the system design matters. Some combis struggle with simultaneous demand, while stored hot water systems can be economical if properly insulated and timed. The cap drop doesn’t change how your hot water is produced; it just changes the cost per kWh you feed into it.

    What you should do next (a practical plan for the next 30 days)

    The best way to treat this cap reduction is as an opportunity to get your house “set up right” before the next market wobble. Here’s the order we’d recommend for most households.

    1) Read your bill like an engineer (two numbers, not one headline)

    Find your current unit rate and standing charge for gas and electricity. If you only look at monthly direct debit, you can miss what’s really going on—especially if your supplier is adjusting payments to catch up on winter usage.

    2) Check boiler flow temperature and control strategy

    If your home is comfortable, try stepping the heating flow temperature down gradually. If comfort drops, don’t immediately push it back up and forget about it—take it as a sign that your system may need balancing, radiator sizing changes, or control improvements.

    3) Make sure your heating system water is in good condition

    Noisy radiators, frequent bleeding, cold spots, or a boiler that seems “busy” are all indicators. If you suspect sludge or poor circulation, sorting it is one of the most reliable ways to improve comfort and reduce gas use.

    4) Don’t delay essential maintenance because prices fell

    A boiler that’s overdue a service, showing fault codes, or struggling to maintain temperature won’t magically behave better because the cap is lower. Safety and reliability come first—and efficiency follows.

    5) Consider tariff switching carefully (especially if you want certainty)

    Ofgem is openly warning that wholesale prices remain volatile. If you prefer stable household budgeting, it may be worth exploring fixed tariffs—just compare the full picture and check exit fees.

    If you want us to sanity-check your current set-up—boiler type, controls, flow temperatures, radiator performance, and what improvements would actually pay off in your home—book a visit with Embassy Gas: https://www.embassygas.com/book | (01420) 558993 | helpdesk@embassygas.com

  • Hot Water Temperature Fluctuations: Troubleshooting for Guildford Homes

    Understanding Fluctuating Hot Water Temperatures

    Experiencing sudden hot water temperature changes can be frustrating, especially in Guildford’s cool climate. Whether you’re showering or running the dishwasher, inconsistent warmth can signal underlying boiler or plumbing issues. In Guildford, where many homes have older combi boilers, this problem often stems from sensor malfunctions or irregular water flow. Before you call for a heating breakdown repair, learn the common culprits and simple checks you can do yourself.

    Common Causes Behind Temperature Fluctuations

    Faulty Temperature Sensors

    Modern boilers rely on sensors to monitor water temperature. If a sensor becomes dirty, corroded or fails, it may send incorrect readings to the control board. This can cause the burner to cycle on and off erratically, leading to hot spikes and cold patches at the tap. Sensor issues are common in areas with hard water and can affect boiler repair frequency.

    Inconsistent Water Flow Rates

    Another frequent cause is fluctuating flow rates from your mains or within your system. Blocked filters, partially closed valves or scale build-up in pipes can restrict flow. When the flow rate drops, the water spends more time in the heat exchanger, becoming too hot. A sudden increase causes it to run cooler. Homes in Farnham (GU32) and nearby Haslemere often see this when older pipework hasn’t been maintained.

    Troubleshooting Steps You Can Try

    • Check your boiler’s pressure gauge. Aim for 1–1.5 bar when cold. Too low or high can affect performance.
    • Inspect the temperature sensor wiring for visible damage or corrosion.
    • Clean or replace strainers and filters on the boiler input and showerhead.
    • Open all hot water taps fully to see if temperature steadies with higher flow.
    • Flush out radiators to prevent sludge-induced radiator problems and improve overall circulation.

    When to Call a Gas Safe Engineer

    If these DIY checks don’t solve the issue, it’s time to call a Gas Safe engineer. Our technicians in Guildford are qualified to diagnose sensor faults, replace flow sensors and rectify gas or electrical connections safely. They’ll carry out a full inspection, recommend any new boiler installation if your system is beyond repair, or carry out boiler servicing to maintain efficiency and prevent further breakdowns.

    Preventative Maintenance to Keep Water Steady

    • Schedule annual boiler servicing to clean sensors, check valves and test safety systems.
    • Install a magnetic filter to capture limescale in areas like Bordon (GU35).
    • Check water pressure monthly and top up if needed.
    • Consider a boiler cover plan for peace of mind and budget protection.

    Upgrading Your System for Stable Hot Water

    Persistent temperature swings can mean your boiler is outdated or undersized. Upgrading to a modern condensing combi boiler with advanced flow sensors can deliver more consistent temperatures and energy savings. Our team can advise on the right model for houses in Liphook (GU30), Haslemere and Farnham, ensuring correct installation and fine-tuning for optimal performance.

    Frequently Asked Questions

    Why does my hot water go cold mid-shower?

    This usually happens when the flow rate drops or a sensor misreads the temperature. Check for blocked filters and ensure your boiler pressure is correct. If the problem persists, a Gas Safe engineer can replace faulty sensors.

    Can low water pressure cause temperature fluctuations?

    Yes. Low mains pressure or system pressure can affect your boiler’s heat exchanger performance. Regularly check the gauge and top up via the filling loop if it drops below 1 bar.

    How often should I service my boiler?

    We recommend annual boiler servicing to catch issues early and maintain performance. Preventative maintenance helps avoid unexpected heating breakdowns.

    Will a new boiler installation stop these issues?

    A new boiler with modern controls and sensors can provide more reliable hot water. Speak to our team about the best solution for your home size and usage habits.

    If you need help with your heating or boiler, our local engineers are here to help. Call us on (01420) 558993 or book online at embassygas.com/book.

    Written by Embassy Gas — your local heating experts covering Bordon, Alton, Liphook, Farnham and surrounding areas.

  • Why Your Boiler Makes a Dripping Sound Inside: Understanding Condensation in Guildford Homes

    Introduction: The Mystery of the Dripping Sound

    It’s late evening in Guildford, and as your heating kicks in, you hear a faint dripping noise from your boiler. You might be tempted to ignore it, but that steady drip-drip-drip often points to internal condensation. In this guide, we’ll explain what’s happening inside your boiler and share practical tips to help homeowners in Guildford, Bordon (GU35), Alton (GU32) and beyond stop that irritating sound and protect their heating system.

    Understanding Internal Boiler Condensation

    What Happens Inside Your Boiler?

    Every time your boiler fires up, it heats water and pushes hot gases through the heat exchanger. As these gases cool down, moisture can condense inside various components. This is entirely natural—but if that condensation collects or drains incorrectly, you’ll hear it dripping.

    Why Condensation Isn’t Always a Bad Sign

    Modern condensing boilers are designed to extract extra heat by allowing exhaust gases to condense, boosting efficiency. However, even non-condensing boilers can develop small amounts of moisture if the flue cools rapidly. Understanding the difference helps you determine if your system is performing correctly or needs attention.

    Common Signs Accompanying Dripping Noises

    Aside from the audible drip, look out for:

    • Unusual odours around the boiler casing.
    • Water puddles or slight dampness near the condensate pipe.
    • Fluctuating boiler pressure readings on the gauge.
    • Frequent automatic resets or boiler lockouts.

    If you notice any of these alongside the dripping sound, take action to prevent more serious heating breakdowns.

    Simple Troubleshooting Steps You Can Try

    • Check the Condensate Pipe: In cold weather, the condensate pipe can freeze, causing backflow and drips inside the boiler. Thaw it gently with warm water.
    • Monitor Boiler Pressure: A drop below 1 bar can trigger internal leaks. Top up the pressure via the filling loop as instructed in your manual.
    • Inspect for Leaks: Look under the boiler for loose fittings or corrosion spots that might be dripping internally.
    • Bleed Radiators: Air trapped in radiators forces the boiler to work harder, producing extra condensation sounds. A quick bleed could help.
    • Review Flue Terminals: Blockages or debris at the flue outlet can slow airflow, leading to condensation pooling.

    Most of these checks are straightforward, but always take care when working near live equipment. If in doubt, call a professional.

    When to Call a Gas Safe Engineer

    If your boiler continues to drip after basic troubleshooting, it’s time to seek qualified help. A registered Gas Safe engineer will:

    • Diagnose whether the condensate trap or heat exchanger needs cleaning or replacement.
    • Test safety controls, flue performance and pressure relief valves.
    • Carry out a full boiler servicing to ensure longevity and efficiency.

    Prompt professional attention can prevent small drips turning into major leaks or system failures.

    Preventative Maintenance Tips

    Keep your boiler running quietly by:

    These simple steps will reduce internal condensation issues and save you money on energy bills, whether you’re in Haslemere, Farnham (GU30) or Liphook.

    Local Support Across Surrey and Hampshire

    At Embassy Gas, our Gas Safe engineers serve Guildford, Petersfield, Liphook, Whitehill, Liss and surrounding villages. Whether you’re in a terraced home in Guildford town centre or a country cottage near Hindhead, we’re just a call away. From emergency boiler repair to planned maintenance in Bordon (GU35) and Alton (GU32), we pride ourselves on fast response times and friendly, expert service.

    Frequently Asked Questions

    Q: Is condensation in my boiler dangerous?

    A: Internal condensation is normal, especially in condensing boilers. It only becomes a concern if it causes drips, leaks or blockages.

    Q: Can I prevent my condensate pipe from freezing?

    A: Insulate exposed condensate pipes, let a trickle of hot water run during cold snaps, or fit a frost guard to keep water flowing.

    Q: How often should I have my boiler serviced?

    A: Annual servicing by a Gas Safe engineer ensures safe operation, optimal efficiency and helps catch minor issues before they escalate.

    Q: Will a new boiler stop condensation sounds completely?

    A: Modern condensing boilers manage moisture more effectively, but you may still hear slight dripping during normal operation. Proper installation and regular maintenance minimise any noise.

    If you need help with your heating or boiler, our local engineers are here to help. Call us on (01420) 558993 or book online at embassygas.com/book.

    Written by Embassy Gas — your local heating experts covering Bordon, Alton, Liphook, Farnham and surrounding areas.

  • Troubleshooting a Thermostat That Isn’t Responding or Reading the Right Temperature

    When your heating stops behaving as it should, the thermostat is often the first place to look. A thermostat that isn’t responding or is giving incorrect temperature readings can cause your boiler to cycle on and off at the wrong times or fail to switch on altogether. Homeowners in and around Bordon, Whitehill, Liphook, Alton, and Farnham often experience these issues as seasonal temperatures shift and systems work harder.

    Quick checks you can do now

    Before assuming the thermostat has failed, run through these quick checks to rule out simple causes:

    • Make sure the thermostat has power or fresh batteries.
    • Check that the heating schedule or mode isn’t set incorrectly.
    • Ensure the boiler hasn’t locked out or lost pressure.
    • Confirm the room isn’t unusually hot, cold, or draughty.
    • Make sure wireless thermostats have a stable connection to the receiver.

    Why your thermostat not responding can happen

    A thermostat that fails to react to temperature changes or heating commands usually points to a communication issue, a power fault, or a misreading of the room’s actual temperature. Homes across GU35, GU34 and GU9 areas often experience symptoms linked to placement, wiring, or battery age, especially as equipment gets older.

    Some common reasons include:

    • Weak or depleted batteries.
    • Poor thermostat placement, such as near sunlight or a heat source.
    • Loose or damaged wiring connections.
    • Faulty sensors within the thermostat.
    • Wireless signal interference from thick walls or nearby electronics.
    • Boiler receiving no call for heat due to internal lockout.

    Checking thermostat power and batteries

    Power issues are the simplest to identify and often the cause of a thermostat not responding. If you have a battery-powered model, replace the batteries with fresh, high-quality ones. Even partially drained batteries can cause screens to freeze, buttons to stop responding, or temperatures to display inaccurately.

    For wired thermostats, ensure the consumer unit hasn’t tripped. If the screen is completely blank, a fuse may have blown or a wiring connector may be loose. These faults are especially common in older homes around Bordon and nearby towns where heating systems have been updated over the years.

    Is your thermostat reading the wrong temperature?

    Incorrect temperature readings can cause the boiler to behave unpredictably. This often happens when the thermostat is affected by external conditions such as direct sunlight, nearby appliances, fireplaces, or draughts.

    Here’s a quick checklist to help identify temperature issues:

    • Is the thermostat receiving direct sun for part of the day?
    • Is it above a radiator or near a TV or lamp?
    • Is there a draught from windows or doors?
    • Is the thermostat mounted on an exterior wall?
    • Have you recently moved furniture that may block airflow?

    If any of these apply, relocating the thermostat to a more neutral position can restore accurate readings and improve heating performance.

    Wireless thermostat connection issues

    Many modern homes in Bordon, Alton, and Farnham rely on wireless thermostats. When these lose connection with the boiler receiver, the heating will not respond. Thick walls, Wi‑Fi hubs, metal appliances, and even cordless phones can interfere with the signal.

    Try the following steps:

    • Check the receiver has power and indicator lights are normal.
    • Move the thermostat a little closer to the receiver temporarily.
    • Restart both devices to force a reconnection.
    • Ensure no new devices or furniture are blocking the signal path.

    If the thermostat reconnects only intermittently, the receiver or thermostat may be failing.

    When wiring or internal faults are the cause

    If all the simple checks look good, the fault may lie within the thermostat’s internal components or the wiring between it and the boiler controls. Over time, vibration, temperature changes and corrosion can cause wiring connections to loosen. These issues can lead to partial failures where the display still works but temperature changes or commands are not passed to the boiler.

    Opening the thermostat casing should only be done if the manufacturer expressly allows it and you are confident in what you’re doing. Most homeowners prefer to have a trained heating engineer handle internal inspections, especially in older systems found around Bordon and GU35 postcodes.

    Could the boiler be the real issue?

    Sometimes the thermostat is blamed when the boiler is actually at fault. If the boiler has locked out, lost pressure, or has a frozen condensate pipe, it may not respond to any thermostat command. Check the boiler’s display for error codes or warning lights. A quick pressure top-up or reset may restore heating.

    If the boiler fires when you manually request heat using the controls on the front panel, the issue is more likely thermostat-related. If it doesn’t fire at all, the problem may lie within the boiler or external controls rather than the thermostat.

    Preventing further thermostat problems

    Thermostats generally last many years, but like any electronic device, they benefit from proper placement, gentle use and routine checks. Keep sensors dust-free, ensure batteries are replaced annually, and avoid placing the unit in hot spots or cold draughts.

    Regular boiler servicing also helps. A well-maintained system is less likely to cause communication issues or intermittent faults between the boiler and controls. In areas like Bordon, Whitehill and Liphook where many homes have upgraded older systems, ensuring compatibility between thermostats and boilers is particularly important.

    Next steps

    If your thermostat still isn’t responding or reading accurately after these checks, a professional assessment is the safest option. You can arrange an appointment at https://www.embassygas.com/book

  • Why Your Boiler Keeps Turning On and Off: A Complete Homeowner Guide

    If your boiler is firing up, running for a short moment and then turning itself off again, you are most likely dealing with boiler short cycling. It’s a common issue in homes around Bordon, Whitehill, Liphook and the wider GU35, GU34 and GU9 areas, and in many cases you can carry out a few simple checks before calling an engineer.

    What is boiler short cycling?

    Boiler short cycling means your boiler switches on and off far more frequently than it should. This wastes energy, increases wear on components and often leaves radiators lukewarm. Before assuming there’s a major fault, it’s worth understanding the typical causes and what you can safely inspect yourself.

    Quick checks you can do now

    These fast tests can help you narrow down the cause of boiler short cycling without tools or technical knowledge.

    • Check your room thermostat isn’t set too low.
    • Ensure radiator valves are open in at least a few rooms.
    • Confirm the boiler pressure is within the green zone.
    • Make sure your programmer or smart controls are not overriding your heating schedule.
    • Listen for water rushing sounds that may indicate air in the system.

    Check your heating controls

    Heating controls can easily trigger boiler short cycling if something is incorrectly set. In homes across Bordon and Alton, we often find that misconfigured smart thermostats are the root cause.

    • Room thermostat: If it’s close to a heat source or set to a low temperature, your boiler may keep receiving mixed signals.
    • TRVs: Radiators fitted with thermostatic radiator valves may shut off too early, reducing flow through the system.
    • Programmer or timer: Double-check that no temporary overrides or random time blocks are active.

    A quick way to test control-related issues is to set your thermostat to a higher temperature temporarily and open all TRVs fully. If the boiler runs more steadily, you’ve found your culprit.

    Check the system pressure

    Pressure problems are another frequent cause of boiler short cycling, especially in older properties around Farnham and Liphook. Most boilers require around 1.0 to 1.5 bar of pressure when cold.

    • If the pressure is too low, the boiler may shut down quickly to protect itself.
    • If the pressure is too high, safety devices may trigger short bursts of operation.

    Only top up your system if your manual clearly states how to do it, and never exceed the recommended pressure. If the pressure keeps dropping, that indicates a leak or faulty component that needs professional attention.

    Check the expansion vessel

    The expansion vessel is a key component that absorbs the increase in water pressure as your heating warms up. A faulty or uncharged vessel is one of the most common technical causes of boiler short cycling.

    Warning signs of an expansion vessel issue include the pressure gauge rising rapidly when the heating turns on or the boiler cutting out shortly after firing.

    • If accessible externally, gently tap the vessel: the top should sound hollow and the bottom more solid.
    • A vessel full of water indicates a ruptured diaphragm, which requires professional replacement.
    • If the pressure charge is low, an engineer can safely repressurise it using specialised equipment.

    Do not attempt to re-pressurise an internal expansion vessel yourself, as this involves isolating parts of the boiler.

    Ensure good water circulation

    Poor circulation forces boilers to heat up too quickly and shut down. In many properties throughout GU35 and nearby areas, this is caused by closed radiator valves, sludge buildup or partial blockages.

    • Check at least a few radiators are fully open.
    • Feel radiators to see if some are cold at the bottom, which suggests sludge.
    • Listen for gurgling noises that point to trapped air.

    If the system has not been flushed in many years, professional cleaning may be required, but homeowners can still bleed radiators safely if needed.

    Checklist: When you should stop DIY and call a professional

    • You suspect a gas-related issue.
    • The boiler locks out or shows an error code you can’t clear.
    • Pressure changes rapidly when the heating turns on.
    • You hear loud banging or kettling noises.
    • There are leaks around the boiler or radiators.

    Short cycling caused by electronics, pumps, sensors or expansion vessels inside the boiler should always be handled by a Gas Safe engineer.

    Next steps

    If you’ve carried out the checks above and your heating is still short cycling, our engineers can help diagnose the issue quickly. Contact us at (01420) 558993.

  • Why Your Heating Takes Several Attempts to Start: Ignition Delay Solutions for Bordon Homes

    Why Your Heating Takes Several Attempts to Start in Bordon

    If you live in Bordon or nearby areas like Alton and Liphook, you may have noticed your boiler struggling to ignite on the first try. An ignition delay can be frustrating, especially on a cold morning when you’re relying on your heating to kick in straight away. In this blog, we’ll explain the common causes of ignition delay, provide practical troubleshooting steps, and outline when it’s time to call in a Gas Safe engineer.

    Common Reasons Your Heating Won’t Ignite Immediately

    Understanding why your boiler takes two or three attempts to fire up can help you spot problems early and avoid a full heating breakdown. Here are the most frequent culprits:

    • Air in the Gas Pipe: Trapped air can prevent gas from reaching the burner quickly. If you’ve recently had work done on your supply line or your boiler was drained, air pockets may cause a delay in ignition.
    • Faulty Ignition Electrode or Sensor: The electrode sparks to ignite the gas. If it’s worn or misaligned, you’ll see repeated ignition attempts before a flame appears.
    • Weak Gas Pressure: Low supply pressure from the mains or a partially closed isolation valve can restrict gas flow. Without the right pressure, the burner won’t light first time.
    • Thermostat or Control Issues: A malfunctioning thermostat may send intermittent signals, causing the boiler to try and then reset. Older controls can become unreliable, especially in GU35 properties where ageing systems are common.
    • Condensate Blockage: In condensing boilers, the condensate trap can freeze in winter or become blocked by debris, triggering safety circuits and preventing ignition.
    • Flame Detection Problems: After the burner lights, a flame sensor confirms combustion. If this sensor is dirty or damaged, the boiler may shut down and attempt reignition.

    Step-by-Step Troubleshooting to Cut Down Ignition Attempts

    Before you call for new boiler installation or emergency boiler repair, try these simple checks:

    • Reset Your Boiler Correctly
      Switch off at the mains, wait a minute, then turn it back on. Follow the manufacturer’s reset procedure rather than cycling power on and off quickly.
    • Inspect the Condensate Pipe
      Check the external outlet for ice in freezing weather. If frozen, thaw gently with warm (not boiling) water. A thawed condensate trap often restores normal starts.
    • Check the Gas Supply
      Ensure the isolation valve is fully open. If you suspect low pressure, contact your supplier. Residents in Farnham or Petersfield may occasionally see supply dips during peak demand.
    • Bleed the Radiators
      Though not directly linked to ignition, excess air in heating circuits can disrupt pressure balance. Bleed radiators to expel trapped air, then top up system pressure.
    • Refer to the Error Code
      Modern boilers display fault codes. Check your manual for ignition-related codes and follow the recommended fix. If in doubt, record the code for your engineer.

    When to Call a Professional Gas Safe Engineer

    If ignition delays continue, it’s time to seek expert help. A qualified Gas Safe engineer can diagnose and repair issues safely. In the Bordon, Alton, and Liphook area, our team can handle:

    • Ignition Electrode Replacement
      Worn or corroded electrodes are swapped out, restoring reliable sparks.
    • Gas Valve Calibration
      Adjusting or replacing the gas valve ensures correct pressure and flow for immediate ignition.
    • Flame Detection Sensor Cleaning
      A quick clean or sensor replacement can resolve false shutdowns after ignition.
    • Combustion Analysis
      Using specialist tools, we check burner efficiency and combustion quality to prevent future ignition delays.
    • System Safety Checks
      Full assessment of controls, wiring and condensate lines to guarantee safe operation.

    For routine maintenance and to prevent ignition delays, book boiler servicing at least once a year. Regular check-ups can identify wear before you experience cold showers or heating breakdown.

    Considering a New Boiler Installation?

    If your boiler is over 10–12 years old and ignition problems are frequent, investing in a new, high-efficiency model might be more cost-effective than repeated repairs. A modern condensing boiler offers:

    • Faster ignition and better ignition reliability
    • Improved energy efficiency, reducing bills
    • Enhanced controls for smart thermostats
    • Peace of mind with manufacturer warranties and optional boiler cover

    Our team can help with full system design, pipework upgrades, and integration with existing radiators. Whether you’re in GU35 or GU32, we’ll ensure a seamless installation.

    Preventing Ignition Delays: Top Tips

    • Annual Servicing: Regular maintenance by Gas Safe engineers keeps every component working smoothly.
    • Keep the Boiler Area Clear: Don’t block ventilation or flue outlets; good airflow aids ignition and safe exhaust.
    • Monitor System Pressure: Check the gauge monthly and top up if needed, especially after radiator bleeding.
    • Insulate Condensate Pipes: In cold locations like Petersfield or Farnham, trace heating tape can stop freezes.
    • Invest in a Quality Thermostat: Reliable controls reduce false start requests and protect your boiler.

    Frequently Asked Questions

    • Why does my boiler need two or three attempts to ignite?
      This usually points to a weak spark, air in the gas line, or a blocked condensate trap. A qualified engineer can pinpoint the exact cause.
    • Is ignition delay dangerous?
      Short delays aren’t usually hazardous, but repeated failed attempts can stress components. Always get professional help if basic resets don’t work.
    • How often should I book boiler servicing?
      At least once a year. Regular servicing keeps ignition parts clean and operating correctly, reducing breakdown risk.

    If you need help with your heating or boiler, our local engineers are here to help. Call us on (01420) 558993.

    Written by Embassy Gas — your local heating experts covering Bordon, Alton, Liphook, Farnham and surrounding areas.