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New boilers 

 

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Installed in 2-3 weeks

 

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New heat pump

 

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Underflow 

heating

 

Choose a day of installations

Choose when you want it installed

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 TTM Gas and Heating Services registered pump installers  

 

Reduce your bills with heat pumps and green energy.

Replace a Boiler with a Heat Pump with approved air source installers.

Replace boiler with heat pump

 

What is a combi boiler, anyway?

 

A combi boiler is simply a ‘combination boiler’ - it controls both your heating and hot water, delivering them both instantly on-demand and doesn’t require a hot water cylinder to be heated prior. Combi boilers are far more efficient than immersion heaters, so if you have one, it's definitely worth considering an upgrade.

 

Combi boilers are the home heating dream the human race has been striving towards since the discovery of fire.

 

Upgrading a traditional boiler to a combi boiler is a bucket list regular for most UK homeowners, sitting seven places above seeing the Pyramids and just one below breaking free from lifelong, crippling debt.

 

Imagine if the fastest sprinter was your postman, but he also did your bins. A combi boiler is like that... basically.

 

Pros and Cons of Combi Boilers

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Pros

 

Very efficient

Compact

Instant hot water is always available

Easy to install

Save money on your bills (compared to an old conventional boiler)

Around 55 per cent of your annual energy spend goes towards heating your home. This means that having an energy-efficient boiler is extremely important. All new combi boilers installed in the UK need to be condensed and will have an efficiency rating of 90-94 per cent, so you’ll have a warmer home for less energy usage.

No cold water tank

Very efficient

 

 

 

Compact

Combi boilers can be more compact. A conventional system may need a hot water cylinder; with a combi, you don’t need a hot water cylinder alongside the boiler. This makes combis ideal for loft, utility, or kitchen cupboard installation. Some designs can incorporate a tank, which allows for greater hot water flow rates in homes with a higher hot water demand or multiple water outlets.

Instant hot water when you need it

If you currently have a conventional boiler system, there may have been many instances where you run out of hot water. This is because when the boiler is programmed to turn on, it will heat your home and a large volume of water. This hot water is then stored in a large insulated tank that keeps the water warm for a few hours, making it available when you need to run a bath or wash the dishes. However, these tanks can only store so much hot water, and once it has been used up, you will need to turn your boiler back on and wait a while for the tank to refill.

With a combi boiler system, this isn’t an issue. Instead of having a tank, the boiler can heat water as needed, meaning you’ll never run out of hot water again.  

 

Easy to install

A combi boiler might be much easier to install than a conventional boiler because these models have fewer external parts. A conventional system will also need a water tank installed, but a combi boiler doesn’t need one. Not only does this mean your boiler can be installed much faster, but it may cost less too.  

 

Save money on your bills

A combi boiler might be much easier to install than a conventional boiler because these models have fewer external parts. A conventional system will also need a water tank installed, but a combi boiler doesn’t need one. Not only does this mean your boiler can be installed much faster, but it may cost less too.  

 

No cold water tank

Not only do conventional boilers have a hot water cylinder to store the heated water, but they may also have a cold feed tank. This is generally located in the loft. The cold tank is filled with water from the mains, which supplies the cylinder. As a combi boiler takes in water directly from the mains when it’s needed, there’s no requirement for a cold water tank, saving even more space in your home.

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Cons 

 

Doesn’t have an immersion heater

Doesn’t work with power showers

Many conventional systems rely on gravity to work effectively. This is why the tank must be located as high up as possible (generally in the loft). However, a combi boiler takes its water in directly via the mains. If your mains supply has poor pressure, your taps and showerheads won’t have much pressure either. Before installing a combi boiler, it’s a good idea to check your mains pressure. However, check with the installer for ways around this, such as booster pumps. 

As mentioned earlier in the article, it doesn’t allow you to use multiple hot water appliances simultaneously, although other combi possibilities are available.

Relies on good mains pressure

 

 

 

No immersion heater

Unlike conventional boiler systems, combi boilers don’t have an immersion heater. This means that if your boiler were to break down, there is no backup system, so you would be left completely without heating or hot water until the boiler is repaired.  

 

They don’t work with power showers

Many homes in the UK now have power showers. These are showers that have separate pumps, making for excellent water pressure. As a combi boiler uses mains water pressure, as discussed above, you can’t have a power shower with this kind of system.  

 

You can’t run multiple appliances at the same time

Finally, a combi boiler may not be able to cope if your home is large with multiple bathrooms. While one hot tap is running, you can’t turn on another one without the first one losing pressure or turning cold. This is because the combi boiler can only supply a certain amount of hot water at a time. In contrast, a conventional boiler can provide lots of water to different appliances thanks to the hot water cylinder. You may prefer to stick to your conventional system if you have a large home with multiple bathrooms. However, some combi boiler systems can work around this issue by placing a small tank internally.

 

While combi boilers have a lot of benefits, there are still some things they can’t do as well as a conventional system. For example, a combi boiler:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Guide to making the first step in your decision making

Have you repaired your boiler repaired more than twice or more in 1 year?

Do you want to remove a hot water tank?

Do you have an inefficient back boiler?

Is your boiler over 10 years old?

Is your boiler costing you more in energy bills?

Is there potential for your boiler to stop working?

Is your boiler out of warranty?

Do you think your boiler isn’t working properly?

Now, which one is more, yes or no?

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Guide to boiler sizing

 

Size of Home & Hot Water Demand Combi Boiler Output

1–3 bedrooms, 7–10 radiators, 1 bathroom 20–29kW

3–4 bedrooms, 11–15 radiators, 1–2 bathrooms 30–35kW

4+ bedrooms, 16–20 radiators, 2+ bathrooms 36–60kW

 

3. Solar water heating compatibility:

If you’re using solar to power your hot water, it’s essential to know that many combi boilers are less compatible and inefficient with this heating system. Contact us if you’re unsure.

 

As you can work out from the questions, these are the main reasons people choose to get a replacement boiler. Hopefully, this has helped you decide. However, read on for more information about what’s included with all our boiler installations.


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Where can I put a new Boiler?

 

Ideally, the boiler should be placed on an exterior wall so the boiler flue can be put directly through the wall to the outside.

This usually keeps installation costs down, as installing a vertical flue costs more. However, you can install one anywhere in your home if required.

Common places are putting a boiler in a kitchen cupboard, but other places that people request are such as a boiler in a bathroom, boiler in a loft or garage,

If you are converting from a system or conventional boiler, another popular place is the airing cupboard where the hot water cylinder used to be!

 

 

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Choosing the best  replacement boiler 

Company.

As the best combi boiler replacement company, we love helping our customers. Getting a quote for a new boiler online has never been easier.

We look at all your combi boiler options at TTM Gas and Heating services for homeowners and landlords, from a direct swap to a complete back boiler conversion. We can pretty much arrange anything you require

 

 

 

 

 

 

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To help, we’ve produced this boiler installation guide with everything a homeowner, tenant, landlord or billpayer will need to know, and you can use the contents above to find the specific questions you have in mind.

If you want to choose us as your new boiler installer, click get a quote now, and we can be there as soon as tomorrow if you order before 2 pm on weekdays!

Choosing TTM Gas and Heating Services means you get fast, reliable service. Our website makes finding the right boiler simple, and with our expert team, installation is quick and professional. We're here to help you get warm again without the wait or the hassle.

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Systems boiler

 

A new system boiler replacement cost can range anywhere from £1,700, all the way up to £5,000.

Again, the final cost can be affected by several factors, including but not limited to the boiler manufacturer (and warranty length), required controls, additional pumps/valves and the general complexity of the job. 

Unlike combi boilers, system boilers require a hot water cylinder to function. The new boiler costs above are for installing the boiler only and do not include any costs for new/replacement cylinders. 

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What actually is a system boiler?

From a purchasing point of view, all you’ll need to know is that they aren’t combi boilers, they’ll have a separate water cylinder (usually in an airing cupboard) and/or water tank (often in your loft), and they don’t provide instant hot water on demand.

 

If you live in a large home (with high hot water demand) with multiple bathrooms, then a system/regular boiler is perfect for you. Check the latest system boiler prices here.

 

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Pros 

Energy efficient: System boilers can provide long-lasting, energy-efficient heating. 

 

Even heat distribution: System boilers distribute heat evenly. 

 

Quiet: System boilers are quiet. 

Compatible with power showers: System boilers with a separate hot water cylinder can be compatible with power showers. 

 

 

 

 

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Cons 

Expensive to install: System boilers can be expensive to install. 

Require maintenance: System boilers require maintenance. 

Take up space: System boilers require more space than forced-air systems. 

Require airing cupboard: System boilers require a dedicated airing cupboard for the cylinder. 

Unvented cylinders require specialist qualification: Unvented cylinders require a specialist qualification that fewer engineers carry. 

When choosing a boiler, you can consider factors such as your household size, hot water demand, available space, and budget.

 

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Price range (excl. installation)

 

Est. installation price

Regular

£600 – £3,500

£1,700 – £4,500

 

Do you want a new system or regular boiler with professional installation as soon as tomorrow? Get your free quote today.

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Conventional boiler

 

What is a Regular/Conventional Boiler? 

A conventional boiler, also referred to as a regular or heat-only boiler is one of the more traditional types of domestic boiler that are still commonly installed in larger homes.

 

Looking for a new conventional boiler?

You can expect to pay between £1,700 and £4,500, including gas-safe installation. 

As always, the final price will depend on the size and brand of conventional boiler you choose, as well as the complexity of the job. 

 

A heat-only or regular boiler has three main components – the boiler itself, a separate hot water storage cylinder and a cold water storage tank.

 

The boiler supplies hot water to both the central heating and storage cylinder, so it can provide both hot water and heating water. 

 

Regular boilers are a good choice for properties with multiple bathrooms and high hot water demands and are ideal for areas that suffer from low water pressure. 

 

In addition, they are a good choice for those with older/traditional heating systems that cannot tolerate the high pressure of a system or combi boiler. 

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Pros  of Regular / Conventional Boilers

Ideal for large homes: Conventional boilers are good for larger properties with multiple bathrooms because they can provide high hot water on demand. 

 

Straightforward replacement: Replacing a conventional boiler in the same location is usually straightforward because the pipework, hot water cylinder, and water storage tank don't need to change significantly.

 

 

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Cons of Regular/ 

Conventional Boilers

Space: Conventional boilers can take up a lot of space in your home. 

Hot water isn't instant: Once the hot water from the cylinder is used, you must wait for the tank to heat up again. 

Inefficient: Traditional boilers have an AFUE of up to 80%, which means that up to 20% of the fuel is lost through inefficiencies. 

Modern condensing boilers are more efficient than older boilers because they capture and reuse more of the heat from gases that normally escape in the boiler's flue.

Do you want a new system or a regular boiler with professional installation as soon as tomorrow? Get your free quote today.


Conventional/Regular Boiler Cost

Regular Boiler Costs 

Boiler Type


Please note:  Ultimately, an accurate boiler installation cost depends on various factors that are personal to your situation.

But exactly how much extra will you be paying? 

 

Included in the cost of a boiler conversion is the full removal of your old boiler & water cylinder, newly upgraded pipework fed to the existing or new location of the incoming combi boiler and, of course, the new combi boiler itself and that’s a simplified version.

Putting you out of your misery early, you’ll roughly be looking at an additional £800 - £1200 worth of expense on top of the standard boiler swap cost.

 

When converting your regular boiler into a combi boiler, remember that any boiler manufacturer can be fitted so long as it’s the correct size and powerful enough for your hot water demands. Consider referring to our best combi boiler article to gain more insight than you ever thought possible.

 

They can no longer be repaired in accordance with modern regulations, and you will need to convert your system - most likely to a modern combi boiler.

 

Back boiler

 

 

The work involved in the conversion of a back-boiler is very much similar to a standard conversion in that it includes the removal of your entire existing system and introduction of the new combi and required combi pipework; however, it’s the awkward location of the back boiler behind your fireplace that incurs the sometimes significant extra cost.

 

Many installers and installation companies hate carrying out this work and will price themselves so high they can just about bear it or high enough to discourage customers.

 

Want a new boiler with professional installation as quickly as tomorrow? 

Get your free quote today.

 

Want to have your boiler moved to a different location? Check out our "cost of moving boiler".

Want the exact price of a new boiler? Use our boiler quote calculator.


When converting your regular boiler into a combi boiler, remember that any boiler manufacturer can be fitted so long as it’s the correct size and powerful enough for your hot water demands. Consider referring to our best combi boiler article to gain more insight than you ever thought possible.

They can no longer be repaired per modern regulations, and you will need to convert your system - most likely to a modern combi boiler.

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Boiler conversion costs

These fixed prices assume a straightforward conversion. The costs include upgraded heating controls, a full chemical cleanse or power flush of your existing boiler, system, filter, fitting, flue, pipes, certificate and registration.

 

Do note that other, much more expensive quotes are available elsewhere. Try your energy provider if you fancy a laugh.

 

Typical boiler replacement cost:

 

£600 → £2000

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Vertical flue cost: 

 

£300 → £600

 

vertical Flue Cost 

A boiler flue is simply the large pipe that leads from the boiler to the outside of your home, it ensures condensation and flue gases are pumped outside and not into your face.

Most of the time, the flue will leave your property horizontally, incurring no extra costs, but flues that leave vertically through your roof require much more work and, therefore, incur more costs. It can also be just plain bad luck.

 

Typical vertical flue cost:

£300 → £600

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Main gas pipe upgrade cost:   

 

£250 → £400

 

Main Gas Pipe Upgrade Cost 

Many older heating systems are built using gas piping of a certain width (often 15mm). 

 

To meet modern regulations, they need to be upgraded to 22mm, which can sometimes incur additional costs.

 

In some instances, older pipes may also be made from lead, cheddar, or the bones of early settlers, and they will need to be replaced with copper piping.

 

TTM Gas and Heating Services never charge for upgraded pipework, whereas most installation companies will add this to your bill with unnerving pleasure and an evil laugh.

 

Be wary of rogue traders who don’t plan for upgraded pipework. Their boiler replacement costs and installation fees will be more illegal than the contents of a duffel bag in the back of their uninsured white van.

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Upgraded heating control 

costs: £100 → £300

The days of having a painstaking, back-breaking walk to your boiler to switch it on are almost behind us as a species, and most new boiler installations will include some form of upgraded controller.

Depending on the type and brand of the controller, varying figures will be added to your new boiler cost.

Market Heating controls cost:

Are Free!

Our heating controls cost:

£100-£300

**Smart controls are not included as standard but can be purchased at an additional cost.

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Magnetic boiler filter cost:  £100 → 

£200

 

Filters are installed inline on the pipework and help to protect your boiler. They use powerful magnets that trap small particles of dirt and metal, stopping them from going into the boiler itself and causing unnecessary damage and boiler leaks.

 

A quality boiler installer will always build the cost of installing a filter into your quote, and we will fit them as standard.

Magnetic boiler filter cost:

£100 → £200

 

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Radiator Costs

When installing a new boiler, it's often a good idea to look at your heating system overall, which includes your radiators.

 If your radiator is cold at the bottom, it's likely a build-up of sludge, but in some cases, it may be a sign of a faulty heat exchanger or a faulty boiler valve, in which case getting your new boiler replaced may be appropriate.

 

After years of use, it's normal for radiators to experience wear and tear, or if they are simply old models, they may be inefficient and perform poorly compared to the latest offerings.

 

The exact price of new radiators depends on various factors, including size, material, design and how many you require.

 

 

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 Typical Boiler   installation cost 

breakdown

 

 Boiler installation labour cost: £600 → £1500

 

The cost of a boiler installation will depend on the amount of labour required. 

 

This can vary depending on your location, the business you use, the time it takes to install the boiler, and the number of engineers required.

Depending on the type of installation, the average cost of installing a new boiler is between £600 and £1,500.

 

For example, a combi swap, which takes about a day to complete, is much quicker than a back boiler conversion, which takes about two to three days and may require more than one engineer to attend.

 

The cost of boiler installation is typically included in the fixed price quote, so if you choose to purchase your boiler via Why TTM Gas and heating services, you don’t have to worry about juggling different costs and calculating a final figure.

 

Labour cost (swap):£600 → £800

Labour cost (conversion):£1000 → £1500

 

 

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Plume kit cost:

 

 £90 → £130

 

Plume Kit Cost 

A plume kit is essentially an extension kit that attaches to your boiler’s flue. It is required when your boiler's flue is too close to a window, door, neighbouring property, or your wife for comfort and is required by law to comply with gas-safe regulations.

Failure to include a plume kit could lead to London's standard air purity levels. Unless you already live in London, boiler fumes may seem like a welcome breath of fresh air.

 

Typical plume kit cost:

£90 → £130

 

 

 

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Cost to relocate boiler.

 

Cost to relocate boiler. 

Moving the location of your boiler is costly and will require a lot of physical labour, additional pipework, emotional robustness, and various general new fixtures and fittings.

 

If moving your boiler is integral to you, try to avoid moving it.

Want to save money and energy on your heating bills? If so, you should consider installing one of the best smart thermostats.  

 

 

 

 

 

 

 

 

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Upgraded warranty costs

 

Extended warranties, particularly 10-year warranties in most cases, can only be offered by trusted partners of manufacturers.

 

They can sometimes rely upon fitting additional approved equipment like magnetic boiler filters. They will often incur additional costs to that installer, but a longer warranty is certainly a cost worth incurring.

 

Think you've found a bargain?  Check whether the warranty length has a longer expiration date than the last lot of milk you bought.

 

 

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Chemical flush: £100 → £150

Flushes help to clear out existing sludge from your heating system. If you don't clear it, sludge will stop the hot heating water from flowing around your radiators efficiently. Not good. If your radiators are cold at the bottom, you'll need a deep clean.

 

There are various types of 'flushes' available. A hot chemical flush is the most common and pretty standard. But, you can pay upwards of £500 for a 'Power flush'. Be careful with those, though. If you start forcing high-pressure water through an old heating system, it can often do more damage than good.

Did you know our boiler installation cost calculator only takes 60 seconds to complete? Using a series of multiple-choice questions, you can get a fixed price on a range of budget-friendly boilers. 

Learn all about the best combi boilers in our what is a combi boiler guide.

 

Chemical flush cost:

£100 → £150

 Flush cost:

£? - depends on number of radiators => £70/ unit.

 

 

The final cost of a new boiler replacement

As you can see, there are a variety of factors that can impact the cost of the final boiler. 

The above list is to be used as a guide only. Go here to get a fixed, accurate boiler replacement installation price for you.


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How much will a new boiler save you? 

 

Old boilers are inefficient, and for every £10 you spend on running them, you could throw up to £4 of that out of the window.

 

This creates a huge mound of pound coins on your patio, posing a risk to the local ecosystem.

New boilers – particularly combi boilers – are more efficient than their older counterparts and come packed with intuitive technology to work smarter for your home's heating needs.

 

This dramatically reduces the amount of fuel used, whether that be Gas.

 

Boiler price range

 

Boiler Costs by Manufacturer/Boiler Brand 

Typically, most boiler brands have a boiler range that includes entry-level, mid-range and premium boiler models, which increase in price. 

However, there are some differences between the boiler manufacturers, which are dictated by brand reputation, warranty length, and technical differences. For example, some boilers use plastic parts, while others only use brass. 

With that in mind, here are the new boiler costs you can expect for some of the most popular boiler brands available in the UK:


Boiler Brand:

 

Combi Boiler Price Range

System Boiler Price Range 

Conventional Boiler Price Range

 


10-year parts and labour                warranty protection

 Wide range of combi, regular                      and system boilers

Incredible performance and efficiency

 

£1,500- £3,500

£2,000 - £2,500

£2,000 - £2,500

 

Ideal

£1,300 - £2,500

£1,300 - £2,500

£1,300 - £2,500

 


Huge 10 year parts and labour guarantees

Awarded 'Which? Best Buy's status for 13 years running

Packed with cutting-edge, energy-saving technology

 

 

 

 

 

 

 

 

 

 

 

 

 


£1,300 - £2,500

£1,300 - £2,500

£1,300 - £2,500


£1,000 - £2,400

£1,000 - £2,400

£1,000 - £2,400

 


Lengthy warranties of up to 10 years

Powerful and efficient with excellent aftercare. German engineering, manufactured in the UK.                           

 

 


Stick to these fundamental principles, avoid any company sending a salesman disguised as a ‘surveyor’ to your home, and put in just a touch of boiler research – do that here, conveniently.


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How efficient is my old boiler?

Efficiency Percentage - Efficiency Rating

 

0+ Years   90%   + A

10+ Years  85%   + B/C

15+ Years  80%  + C/D

20+ Years 70%  + E/F

25+ Years   60%  + G

 

 

 

 

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A - 90%+

 

B - 86-90%

 

C - 82-86%

 

D - 78-82%

 

E - 74 - 78%

 

F - 70-74%

 

G - Below 70%

You’re now about as qualified as can reasonably be expected to get the most competitive new boiler cost and avoid being eyed by cowboys like an early-noughties PPI victim.

Or, for simplicity…

 

Buy from TTM Gas and Heating Services for the latest new combi boiler deals. 

Choosing TTM Gas and Heating Services means you get fast, reliable service. Our website makes finding the right boiler simple, and with our expert team, installation is quick and professional. We're here to help you get warm again without the wait or the hassle.

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Underfloor Heating

 Underfloor Heating uses mainly radiant heat, the most comfortable form of heating, giving an even distribution of warmth over the whole room.

 

By contrast, radiators transfer energy using convection. They heat the air above and around the radiator to a much higher temperature, causing the warm air to rise. This results in the floor being the coolest place in the room, with the mass of warm air at the ceiling level.

 

Underfloor heating resolves this issue by ensuring no more cold spots and that heat is distributed evenly where it is needed most. A conventional radiator can be as hot as 75°C, whilst an underfloor heating system has a much lower and safer surface temperature between 25-27°C.

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Key system components

Underfloor heating distributes a lower warm water temperature through a circuit of pipes beneath the finished floor. Intelligent thermostats monitor and control heat to maintain a consistent temperature throughout the property or individual zones. Any heat source, including conventional boilers and renewable ground/air heat source pumps, can be used.

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Thermostats (heating controls)

Individual room thermostats control when heating is required in each room and the desired temperature. Our intelligent thermostats and smart underfloor heating controls signal the wiring centre to let it know when heat is needed.

 

 

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Wiring Centre

The wiring centre performs central switching of zone actuators, control pack and boiler as signalled by the room thermostats. The wiring centre controls the manifold, which turns the boiler on and sends heat to the room when required.

 

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Pipe circuits

Pipe circuits 

When heat is switched on, the entire floor area is warmed via the pipe circuits to between 25°C - 28°C, providing even heat distribution at slightly higher than room temperature.

 

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Underfloor heating control 

Pack and manifold

Warm water is pumped from the heat source to the control pack and mixed to approx. 50°C. The control pack is fitted to the manifold that connects the pipe circuits installed on the floor.

 

 

TTM Gas and Heating Services registered pump installers replace a boiler heat pump with an approved air source heat pump installers and replace the boiler with a heat pump.

You can replace your boiler with a heat pump.

 

 If you are looking for a more environmentally friendly and cost-effective energy source for heating and cooling purposes.

 

Replacing a gas boiler with an air source heat pump can cost anywhere from £2,400 to £12,350, excluding installation.

Gas boilers have been the go-to heating system for millions of homes in the UK for decades, but replacing a boiler with a heat pump is steadily becoming more common. With the UK government’s most recent update of the Boiler Upgrade Scheme, the grant level for air and ground source heat pumps jumped from £5,000 and £6,000 to £7,500. This means replacing a boiler with a heat pump is more affordable than ever.


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Optimise your home and save the planet with heat pumps.

Can I replace my boiler with a heat pump?

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Heat  Pumps vs Gas Boilers

 

Feature                                                      Heat pump                                                                                                  Gas boiler

                 

Efficiency                                                   More efficient                                                                                              Less efficient

 

Fuel Uses                                                  Electricity to transfer the outside heat to                                                 Burn natural gas to produce heat

                                                                   the outside heat to the inside to the                               

                                                                   inside

 

 Space                                                  Requires space for an outdoor unit.                                                          It might require extra indoor space for cylinders  and tanks (for system and conventional boilers)

 

Environmental                                         environmentally friendly                                                                              Produces carbon emissions                                                

 

 Versatility                                               Can heat and cool your home                                                                       Can only heat your home

                                                                

Longevity                                                Up to 25 years                                                                                                 Up to 15 years

 

Speaking of efficiency, heat pumps have a coefficient of performance (CoP) between 3 and 5, generating between 3 and 5 units of heat for every electricity unit. On the other hand, gas boilers achieve a CoP of around 0.9 (i.e. 90% efficiency rating), making heat pumps a more efficient heating solution. 

 

In terms of costs, heat pumps require a bigger upfront investment. At the same time, ground-source heat pumps, apart from the heat pump itself, also need underground loops or boreholes, which contribute significantly to the total installation costs. 

 

If you are considering replacing your gas boiler with a heat pump, you’ll need to find a trustworthy installer. However, if you do this alone, your search can drag on for hours or even days. Fortunately, we’re here to help.


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We are approved for air 

Source heat pumps.

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We are an approved air source. Heat pumps  installers

 

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How much does replacing a gas boiler with a heat pump cost?

The cost to replace a gas boiler with a heat pump ranges between £2,750 - £14,050 for an air-source heat pump and £16,200 £49,000 for a ground-source heat pump installation.

 

 Government incentives to reduce heat pump costs

 

As of 2024, the UK government offers several incentives to reduce the cost of replacing a gas boiler with a heat pump. Here are some key schemes for you to consider:

 


Let’s compare current average prices installed for gas boilers, GSHP and ASHP solutions. 

 

 

Costs to Replace a Boiler With a Heat Pump

 

Type of heating system.                                     Upfront cost range                                   Installation, cost range                        Costs, granted by the Boiler Upgrade Scheme

 

Gas boiler                                                           £500–£4,000                                              £650 - £2,500 -

Air source heat pump                                       £2,400 – £12,350                                       £350 – £1,700 £7,500

 

As you can see, the Boiler Upgrade Scheme can significantly reduce the cost of heat pump installation. So, don’t neglect getting information on existing grants and government incentives to lessen the financial burden of your home improvement project.

 


Hostings

 

A typical 3-bedroom household can  expect yearly costs to run a gas 

boiler,  an air-source heat pump, and a conditioning system. For a 

better idea of how much you would save annually  with an air-

source heat pump, you can consult the overview.

 

 

 

 

 

 

 

 

 

 

 

Hostings

 

Running Costs Overview

System Yearly                                                   running cost

 

Gas boiler (A-rated)                                                 £850

Air conditioning unit                                                £400

Air source heat pump (COP 3.5)                               £1,135

Air conditioning unit                                                 £400

Ground source heat pump (COP 4)                        £930

 

Should you replace a gas boiler with a heat pump?

 

 

 

Should you replace a gas boiler with a heat pump?

 

If you ask yourself, "Should I replace my gas boiler with a heat pump?” the answer might be yes. Heat pumps are generally more energy-efficient and cost-effective in the long run than gas boilers. They are also more environmentally friendly. 

 

All you have to do is fill out our short form, and we will have up to 4 heating engineers from our broad network of specialists reach out to you with quotes for their services. Then, compare prices to decide which installer you want to work with and secure the best deal for your new air source heat pump. Click below and request free, non-binding quotes today!


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Optimise your home and save the planet

 

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