Table of Contents
What is the cost of a new boiler installed?
Installing a new boiler typically ranges from £1700 to £5000 on average, contingent on several factors such as system and fuel type, size, efficiency, brand, and labor costs.
Here, you’ll discover a wealth of information on various boiler types and heating systems suitable for both property heating and hot water needs.
Our boiler prices page offers comprehensive details and pricing for the four primary types of boilers and heating systems!
The four main types of boilers or heating systems that we recommend and install at Smart Adapt are:
- The Common, Heat Only Boiler
- System Boilers
- Combi Boilers, Condensing Boilers
- The new Heat Pumps!
There are also three different types of boiler installation:
- Straight Swap
- Boiler Relocation
- System Upgrade
We’ve gathered a selection of the top boilers, leading boiler brands, and corresponding pricing for each type, making it convenient for you to access this comprehensive information in one place.
Additionally, don’t miss our supplementary article covering various boiler installations, located below the four articles detailing the distinct types of boilers.
1. Heat Only Boiler Prices…
Heat Only boilers, also known as conventional boilers, range in price from approximately £500 to £2000, depending on the brand and model size, among other factors.
These boilers represent a traditional domestic boiler type commonly found in homes across the UK, especially those built before 1970.
Location: Heat Only boilers are typically located in airing cupboards and directly provide heating and hot water from a storage cylinder.
They are fed by a cold water cistern located above (usually in the attic) via gravity. The expansion cistern is separate, requiring a reasonable amount of space.
Pricing: Prices for Heat Only boilers vary significantly depending on the brand. Some models start at around £500, while others can reach up to £2000 for different makes and models.
Heat-Only Boiler Brands & Prices…
- WORCESTER-BOSCH GREENSTAR UTILITY 50 – 70 (OIL) – Typical Price – £1,700 – £1,900
- GREENSTAR FS 42CDI REGULAR – Typical Price – £1,500-£1700
- WB GREENSTAR 30CDI REGULAR – Typical Price -£1,200-£1,300
- VAILLANT ECOTEC PLUS 428 – Typical Price – £800 – £900
- ECOTEC PLUS 415 – Typical Price – £600-£800
The Heat-Only Boilers Prices and Sizes
The cost of your Heat only boiler would depend on the size of your house and the fuel type required etc.
What properties are they good for?
These boilers are perfect for larger homes due to their high flow rate, capable of meeting substantial hot water demands. Multiple taps or showers can be utilized simultaneously.
However, they do require more space compared to other boilers like combi boilers. Additionally, the availability of hot water is constrained by the size of your cylinder. Once depleted, there’s a waiting period for reheating.
Read about: Electric Boilers v Gas Boilers
Heat-only boiler brands and prices for different sized properties:
Boiler Prices for smaller properties:
If you live in a small property and space is of primary concern, there are more compact, wall mounted options for heat only boilers.
Brand: POTTERTON PROMAX 12 HE PLUS SLIMLINE PRICE
Output – 12;15;18;24;32KW
Price: £500-£600
Brand: BAXI SOLO 12 HE PRICE
Output – 12;15;18;24;30;35KW
Price: £600-£700
Heat-Only Boiler Prices for medium to large Properties:
Medium and large sized properties need a heat only boiler, with a high output; ensuring that you are able to heat your entire home.
Brand & Price: VAILLANT ECOTEC PLUS 438
Output – 38KW
Price: £1,200-£1400
Brand & Price: WORCESTER GREENSTAR FS 42CDI REGULAR
Output – 30;42KW
Price: £1,500-£1700
Read about: What is a combi boiler and How They Work
2. Combi boiler pricing…
UK Combi boiler brands, pricing and reviews:
According to UK consumer brand Which?, “if you want to buy the best combi boiler, you will need to make sure it’s the correct size for your home and from a reliable brand.”
The Which? article then went on to rate the Most common brands of Combi boiler under the following categories:
Brand Overall score, Reliability score, Brand customer score, Brand engineer overall score, & Typical price for a 30kW Combi boiler.
The Typical prices for the UK combi boiler brands were listed in the article as;
Baxi £880 – £1,000
Glow Worm £700 – £990
Ideal £590 – £1,270
Potterton £650 – £1,350
Vaillant £1,160 – £1,410
Viessmann £780 – £1,280
Worcester Bosch £800 – £2,460
The Which? article says that the Reliability and brand customer score was based on responses from 8,001 members of the public who’ve bought a combi boiler in the last six years, that took place in May-June 2021.
Brand Engineer Score
The Brand engineer score was derived from feedback provided by 153 Which, Trusted Trader heating engineers in June 2021.
The typical price range considered for the assessment was based on the low and high price brackets for a standard 30kW combi boiler, encompassing the entire range of combi boiler brands.
A 30kW boiler is well-suited for most medium-sized homes.
The combi boiler prices do not include the boiler installation costs.
Read more about the combi boiler assessment by consumer magazine which at: which.co.uk
So now you can see the combi boiler scores via the article direct and the various prices, it good to also consider what makes a good combi boiler?
What makes a good combi boiler?
As per the article, a quality combi boiler ensures ample hot water supply for showers, baths, and sinks, while maintaining consistently warm radiators even during the coldest winters.
Furthermore, the article delves into the brands recognized for producing the most dependable combi boilers, based on feedback from Trusted Trader Heating Engineers.
What are the main UK brands that make combi boilers?
As per the same Which? article which sites a 2021 boiler survey of 8,001 members of the public.
There are 17 gas and oil boiler brands that are all producing combi boilers.
Please find some details and pricing for the top 7 combi boiler brands:
Baxi boiler prices:
Brand: Baxi is one of the biggest combi boiler manufacturers in the UK.
Details: Its range of Assure, Duo-tec, Megaflow and Platinum combi boilers come in various sizes to suit almost any size and type of home.
Price – They typically cost between £880 – £1,000 for a 30kW medium-sized combi boiler, although it has models starting from around £550.
Glow-worm boiler prices:
Details: Glow-Worm has several ranges of combi boilers including Energy, Essential, Betacom, Easicom and Ultimate.
Price: Prices starting from around £560, with a medium-sized combi boiler usually being between £700 – £990.
Ideal boiler prices:
Details: Originally called the National Radiator Company, Hull-based Ideal has been around for 100 years. It has several ranges of combi boilers including Exclusive, Instinct, Esprit Eco and Logic+ ranges.
Prices: You can get a 30kW medium-sized Combi boiler from around £590, going up to £1,270.
Potterton boiler prices:
Potterton is a subsidiary of Baxi, which is itself a part of the BDR Therma Group. Consequently, certain ranges from Potterton, like the Assure range, have been integrated into the Baxi portfolio. However, Potterton still retains ownership of the Titanium Combi boiler brand.
Price: Prices for the Titanium start at £800 for the 28kW size.
Vaillant boiler prices:
Details: German manufacturer Vaillant is a large combi boiler manufacturer which has the ecoFIT and ecoTEC range of combi boilers.
Price: These Combi boilers typically start between £1,160 – £1,410 for a medium-sized boiler of 30kW.
Viessmann boiler prices:
Details: Viessmann is a German boiler brand making waves in the UK boiler scene. Its Vitodens combi boiler lines have been updated in 2021.
Price: The Viessmann Boilers cost between £780 – £1,280 for a mid-sized 30kW boiler, and come in a large range of sizes for the requirements of any home.
Worcester-Bosch boiler prices:
Details: German manufacturer Worcester Bosch is one of the biggest combi boiler manufacturers in the UK.
Price: The Greenstar combi boiler range starts at around £800 and goes up to around £2,500, depending on the size and the hot water flow that you need for your home.
Other things to consider?
- Combi boilers are less suitable for homes with multiple bathrooms.
- A faulty combi boiler will fail early and is likely to result in regular costly repairs.
- On average, it costs almost £200 for a boiler repair so this can soon add up, making any cheaper boiler purchase more expensive than a more expensive but more reliable boiler, in the long run.(Which? survey, 2021).
- It pays to invest in a boiler that will last.
- Size matters. An oversized combi boiler will lead to you spending more on your heating and hot water than you need to, and an undersized one will deliver a disappointing flow of hot water to your taps and radiators.
Please read our guide on the different types of boiler to see which type will best suit your property and your requirements.
Read about: The Best System Boiler Brands
So, What makes a good combi boiler?
- In order to get the best combi boiler, it is crucial to choose a reliable brand that won’t break down.
- It’s also important to pick a combi boiler that’s the right size and fit for your home.
- And you need to select the right boiler for your budget*
*we can assist you with finance should this be required fir your new boiler purchase and installation.
How to pick the right size combi boiler for you property?
The simplest way to estimate the size of boiler you might need is to count the number of radiators you have.
- If you have Fewer than 10 radiators you require a boiler under 27kW
- For 10-15 radiators you need a boiler between 28kW and 34kW
- With more than 15 radiators you need a boiler with over 34kW
3. System Boiler Prices
System boilers are widely used in the UK and are particularly favored in households with more than four occupants or properties featuring multiple bathrooms.
Explore detailed information, expert advice, and pricing options on the finest system boilers available to suit your requirements.
If you’re uncertain whether a system boiler, a combi boiler, or a heat only boiler is best suited for your needs, we encourage you to refer to our convenient online guide to boiler installation page!
Additionally, don’t forget to check out our recommendations for the best combi boilers and best heat only boilers!
Best System Boilers for this year, 2022 and beyond!
According to a recent Which? Article, the best 3 UK system boilers for 2021 and beyond are:
- Viessmann Vitodens 100-W System
- Worcester Bosch Greenstar i System
- Vaillant ecoTEC Plus System
Brand & Prices: Viessmann
Model: Viessmann Vitodens 100-W Gas System Boiler
Description: The Viessmann Vitodens 100-W System boiler stands out as a dependable and exceptional wall-mounted gas condensing boiler.
These gas system boilers are available at prices around £1000, presenting an excellent option for any household seeking a high-quality yet affordable system boiler.
The Viessmann Vitodens 100-W is offered in 26kW, 30kW, and 35kW system boiler sizes.
Ideal for larger homes with more than four occupants or multiple bathrooms, where there’s a high demand for hot water and the need to supply multiple taps simultaneously.
This system boiler rates ‘A’ Class in the SEDBUK energy efficiency ratings.
Main Features:
- High modulation ratio of 1:6
- SEDBUK A Rating
- MatriX pre-mix cylinder burner and an integral AquaBloc hydraulic unit
- Various Kw Heating Output -26kW, 30kW, and 35kW
- Very Quiet Boiler
- Optional external weather detector
- Advanced technology
- Which Rating 76%
- LCD touchscreen
- Compact size
- Lightweight
- 5- year parts and labour warranty as standard (Up to 10 years with Viessmann Installer)
1st place due to quality, performance, lengthy warranty and value for money.
Viessman Prices: This boiler is usually priced around £1,000 and with installation, you can expect a cost between £1800-£2200 depending on the installation cost of the company who’s installing it.
Interested in a quote?
Here at LetsHeat, you can obtain an online quote now to determine the installation cost. Get Quote Now!
When selecting a boiler installer, ensure they are Gas Safe registered, like us, and possess excellent reviews for their workmanship (view our 4.9 Trustpilot rating here)!
Read about: Boiler Installation In Kingston Upon Hull
Brand & Prices: Worcester-Bosch
Model: Worcester-Bosch Greenstar 24i System Boiler Reviews
Description: The Worcester-Bosch Greenstar 24i System Boiler is part of a range of highly energy-efficient A-rated gas boilers from Worcester-Bosch.
These boilers are highly rated by SEDBUK 2009.
The Worcester-Bosch Greenstar 24i System requires a hot water storage cylinder but does not necessitate a feed and expansion cistern.
This makes the Greenstar 24i a quick and easy boiler to install, potentially reducing installation costs. Additionally, its efficiency and economy make it cost-effective to run.
Main Features:
- ERP rating: A HEAT
- Efficiency Rating: 94%
- Band Rating: A Rated
- LPG Compatible: Yes
- Standard Warranty: 5 Years
- kW Options: 24.6 kW
- Mounting: Wall-mounted
2nd place due to value for money and efficiency.
Worcester-Bosch Price: The price comes in around £1,000 on average for these Boilers, with an installation price, being around £1,800 to £2,200.
Want a quote?
With us here at letsheat you can get an online quote now to see how much we can install it for: Get Quote Now!
And please, always ensure that whoever you choose to install your boiler is Gas Safe registered, just like us. Additionally, check their workmanship review score, like our impressive 4.9 Trustpilot rating!
Read about: Get the Best Deals: Affordable Boiler Prices
Brand & Prices: Vaillant
Model: Vaillant ecoTEC Plus System Boiler
Details: The Vaillant ecoTec boiler range is a fantastic and low energy consumption system boiler.
The Vaillant ecoTEC has excellent performance for hot water and central heating which results in lower energy costs for you.
The Vaillant ecoTec 30kW is the most popular size boiler in this range, but it is also has; 12kW, 15kW, 18kW, 24kW, 30kW and 37kW models available.
The ecoTEC plus is smart: when it knows you don’t need as much heating power, it can drop to using 16% of its maximum power saving on fuel and money and is known to be efficient, easy to use, reliable and quiet.
With its straightforward backlit display and like the Viessmann, its stainless-steel heat exchanger and it’s premium components, it’s really one of the top system boilers available on the market today.
Vaillant System Boilers Features:
- For use with Unvented Systems.
- Stainless steel heat exchanger
- Advanced modulation during low usage to ensure maximum efficiency
- New high-efficiency pump to reduce energy consumption
- Stylish contemporary case design to ensure a seamless fit with home decor
- ErP Compliant
- Lightweight and compact
- Natural Gas fueled
- Includes 2 stage frost thermostat
- Built-in pump and expansion vessel
- Compatible with Unvented systems
3rd place due to being an excellent boiler with reliable internal components meaning that you can’t go far wrong with the Vaillant EcoTec series system boilers.
Vaillant Price: This boiler usually costs around £1500 with an installed price of £2000+
Want a quote?
With us here at Smart Adapt you can get an online quote now to see how much we can install it for: Get Quote Now!
And please remember that whoever you use to install your boiler, please ensure that they are gas safe registered, as we are and that they have a great review score for their workmanship see our 4.9 Trustpilot rating here!
What’s the average cost of a system boiler in 2021?
The average system Boiler costs for 2021 is £1,750.
The low end of the range is around £1000, whilst the top end of the range are around £3000.
Remember that boilers are one of the most important features of your home in terms of use and cost, so picking the right one is important.
If you need help making your decision feel free to contact us.
Read more: Boiler Installation in Edinburgh
4. Heat Pump Prices
There are two different types of heat pumps:
- Ground Source Heat Pumps
- Air Source Heat Pumps
What’s the difference?
Air Source Heat Pumps:
The most prevalent type of heat pump is the air source heat pump, which transfers heat between your home and the outside air.
An air source heat pump operates by extracting heat from the air outside your property, similar to how a fridge removes heat from its interior.
Operational in Cold Temperatures:
Although air source heat pumps become less efficient as temperatures drop, they can still function effectively in temperatures as low as -15°C, which covers the majority of the UK’s weather conditions throughout the year.
They boast impressive energy efficiency ratings and, while they do consume electricity to operate, they do not directly combust fuels, making them an excellent option for reducing your carbon footprint.
Ground Source Heat Pumps:
Ground source heat pumps operate on a similar principle, but instead of extracting heat from the air, they harness residual warmth from the soil or a nearby water source and transfer it into your property.
These pumps, also known as geothermal or water source heat pumps, achieve higher efficiencies by transferring heat between your home and the ground or water source.
Lower Operating Costs:
While ground source heat pumps may entail higher installation costs, they typically have lower operating expenses due to their ability to rely on more consistent source temperatures.
Like air source heat pumps, ground source heat pumps boast excellent energy efficiency ratings and contribute to lowering your carbon footprint by utilizing electricity without direct fuel combustion.
As per some recent Boiler Guide Articles, please find the best heat pumps from each type:
Best air source heat pumps and prices
Please find details of best air source heat pumps as well as an estimate of the costs.
Typically the air source heat pumps or an average property would usually costs between £4,000 – £11,000*.
*Although in the UK you can currently get £5,000 contributed towards the cost.
While the initial cost may seem substantial, when you factor in the potential for efficient heating of your home over approximately 20 years, along with reduced heating bills, it becomes evident that the investment pays for itself in the long run.
Referencing the table below, you can quickly grasp the features offered by each model before we delve into more detailed individual discussions.
Manufacturer | Model | Available Outputs (kW) | ErP Energy Efficiency Rating | Potential Price |
Daikin | Altherma 3 | 4, 6, 8 | A++ | £6,000 – £8,000 |
Nibe | F2040 | 8, 12, 16 | A+++ | £6,000 – £8,500 |
Samsung | EHS Mono | 16 | A+++ | £1,750 – £4,000 |
Vaillant | aroTHERM | 5, 8, 11, 15 | A++ | £3,000 – £7,000 |
Viessmann | Vitocal 200-A | 2.6 – 11 | A+++ | £5,500 – £9,000 |
Grant | Aerona³ | 6 – 16 | A++ | £4,000 – £7,000 |
Mitsubishi | Ecodan QUHZ | 4.5 | A++ | £4,000 – £6,000 |
LG | THERMA V R32 | 5-16 | A++ | £4,000 – £6,000 |
Hitachi | Yutaki S802 | 11,14, 16 | A+++ | £4,000 – £6,000 |
The prices in the table above are estimates and do not include the cost of installation, which will vary depending on who carries out the work.
Get 3 Quotes:
We recommend getting 3 quotes from different gas safe registered installers to give you the greatest chance of finding the best deal for your property.
We here at letsheat can provide you with one of those quotes online now!
While it might feel that the costs are already beginning to add up, you can begin to make these initial costs back via reduced energy bills and Renewable Heat Incentive payments during the lengthy lifetime of an air source heat pump.
Brand: Daikin Altherma
Details: Over the past 90 years, Daikin has earned a global reputation for their innovative air conditioning and climate control technology.
The Daikin Altherma with Bluevolution Technology 3 is an air-to-water system capable of functioning in temperatures as low as -25°C, ensuring your home remains heated even during the harshest winters. It’s the first air-water heat pump in the UK to utilize R32 as a refrigerant, boasting an impressive overall seasonal efficiency rating of A++. Additionally, you have the convenience of controlling your heating via a smartphone app.
The indoor unit is designed for straightforward installation and maintenance, with all hydraulic components easily accessible from the front. It requires pairing with a separate domestic hot water tank, accommodating capacities of up to 500 litres with or without solar support.
For added convenience, the outdoor unit features handles for easy installation, an out-blow grill, and a factory-mounted suction grill for enhanced safety.
Brand: Nibe F2040
Details: Nibe, a Swedish company, has evolved into a leading manufacturer of domestic heating products across Europe.
The Nibe F2040 is a highly efficient air source heat pump, evidenced by its ErP rating of A+++.
Installation of this appliance is hassle-free, thanks to features like anti-vibration water connections designed to ensure smooth operation.
With the Nibe Uplink app downloaded to your smart device, you can easily monitor the appliance’s status and heat generation. In the rare event of an issue with your air source heat pump, immediate alerts will be sent to your device.
Brand: Samsung EHS Mono
Details: You’re likely more acquainted with Samsung’s smartphones than their air source heat pumps, but after years of research, they’ve introduced the EHS Mono range.
Compact and lightweight, these units are easy to install and offer the flexibility of being wall-mounted or floor-standing. The EHS Mono is capable of reaching high water temperatures of 55°C and can extract heat from the air even in temperatures as low as -25°C. Additionally, it operates quietly.
Brand: Vaillant aroTHERM
Details: Vaillant is a trusted manufacturer of gas boilers and offers a range of renewable products, including ground source heat pumps and solar thermal systems.
Vaillant’s aroTHERM air source heat pump is a compact unit, ensuring easy installation. The appliance is MCS accredited and Quiet Mark approved, guaranteeing ultra-quiet operation. Its seamless integration into domestic heating systems minimizes disruption during installation.
Improved performance:
To further improve performance and give extra protection from corrosion the unit has a blue fin coated evaporator with anti-hydro coating.
Brand: Viessmann Vitocal 200-A
Details: The Viessmann Vitocal 200-A is not only an air source heat pump but also said to be an ‘ornament for your garden’ thanks to its extremely modern design. The unit and can integrate with both new and existing heating systems.
Efficient and quite operation:
The Vitocal 200-A can achieve a maximum flow temperature of 65°C for heating and provides convenient domestic hot water heating. It operates extremely efficiently and quietly, with minimal electricity costs.
In addition to heating your home, the Vitocal 200-A can operate in reverse during the summer, effectively cooling your home. It is also compatible with energy from solar panels.
User-friendly features include the Vitotronic control unit with a plain text and graphic display. Remote control is possible with the ViCare app and Vitoconnect.
Brand: Grant Aerona³
Grant’s range of MCS approved air source heat pumps is the Aerona³, representing the third generation of ASHPs by Grant. These pumps are single-phase, DC inverter-driven, and boast an ErP energy rating of A++. They feature built-in weather compensation and a base tray heating element to prevent ice formation, capable of extracting heat even in temperatures as low as -20°C. Available outputs include 6kW, 10kW, and 16kW models, as well as the new 12kW R32 model.
The Aerona³ 12kW R32 inverter-driven air source heat pump is the latest addition to the range. It utilizes a more environmentally friendly refrigerant (R32) with a lower Global Warming Potential (GWP) rating than other typical heat pump refrigerants. It is the first monobloc R32 air source heat pump
Brand: Mitsubishi Ecodan QUHZ
The Mitsubishi Ecodan QUHZ is a monobloc air-to-water heat pump system featuring a thermal store. It boasts low noise output and comes with a built-in monitoring system, allowing you to track and potentially reduce your energy usage.
The Ecodan system comprises an outdoor unit that requires only electricity and water supply. Additionally, it includes an indoor hot water cylinder (thermal store) functioning similarly to a standard hot water cylinder. This setup works alongside a boiler to provide heating and hot water to taps.
The Ecodan is versatile and can be installed in new builds, alongside existing heating systems, or in a hybrid configuration if you wish to retain your gas boiler as a backup. Control options include a wireless controller or a smartphone app, offering convenient management of heating and hot water settings.
Brand: LG THERMA V R32
Details: The THERMA V R32 air to water heat pump uses with R32 refrigerant, an environmentally sustainable refrigerant which has a Global Warming Potential 70? lower than that of R410A. It is a highly efficient model with a A+++ rating thanks to the Revolutionary Scroll Compressor.
The THERMA can operate in temperatures as low as -25°C and heats water to a maximum of 65°C. The user interface is intuitive enabling quick and easy use and lets you programme heating schedules based on your lifestyle. You can also monitor your energy consumption on a daily or monthly basis and control it remotely via the G SmartThinQ™ app on your smart device.
Easy Installation:
The THERMA is an all-in-one heating solution with 3 main components built-in to allow easy installation without additional refrigerant piping work and easy access for servicing.
Brand: Hitachi Yutaki S80
Details: Hitachi’s Yutaki-S80 high temperature heat pump produces hot water up to 80°C thanks to an energy-efficient, secondary Cascade R134a Heat Pump Circuit instead of an electrical element which gives a boost from 45°C to 80°C. It will operate all year-round even in temperatures as low as -20°C.
The Yutaki S80 has an energy efficiency rating of A+++ so will keep energy usage to an absolute minimum. It will provide both heating and hot water with a hot water recovery time which is the same as a traditional boiler.
Good for New Builds and Older Properties:
The S80 is ideal for new builds and replacing boilers in existing homes and even older properties where higher water supply temperatures may be required to keep the house warm.
It is not intended to work in a hybrid system alongside a back up boiler.
Comparing air source heat pumps
When trying to choose the best air source heat pump for your home, there are several key features to consider apart from the price.
Types of air source heat pumps
There are two types of air source heat pumps to choose from: air to water or air to air.
- Air to water heat pumps are the most popular as they pride heating and hot water.
- Air to air heat pumps are less popular, as they only provide space heating and not hot water production.
There is also a difference between monobloc or split heat pumps which refers to how the system is set up in your home.
- A monobloc has all of its components (apart from the hot water cylinder in your home) in one compact unit outside the home.
- A split heat pump includes an outdoor with the heat exchanger and refrigerant as well an internal unit inside.
Most homes in the UK are ideal for a monobloc air to water heat pump, but a split system may be suitable for more complicated installations as it can be installed up to 30m away from the home offering a more flexible installation.
Energy Efficiency
Air source heat pumps are exceptionally efficient, as for every kW of energy they use, they generate three times as much usable heat.
While some heat pumps may be labelled with better efficiency ratings than others, it is important to remember that the actual efficiency you achieve will be greatly influenced by other factors like the level of insulation, the outside temperature, and your demand for hot water.
Power
Air source heat pumps are available in a range of different outputs to suit different sizes of homes.
It is important to install the right output, but a professional heat pump installer will be able to advise you on this topic.
Read about: Top UK Combi Boilers
Is an air source heat pump right for your home?
Considering the potential benefits of installing an air source heat pump, such as:
Reduced energy bills: Air source heat pumps are highly efficient heating systems, offering the potential to lower your energy bills.
RHI payments: Air-to-water heat pumps qualify for quarterly payments over 7 years through the Renewable Heat Incentive scheme.
Better for the environment: Heat pumps require minimal electricity to operate and generate significantly less carbon than fossil fuel heating systems.
Year-round heating: Utilize your air source heat pump throughout the year, even during the coldest UK winters.
Low maintenance: Aside from annual servicing, heat pumps require minimal maintenance and can effectively heat your home without constant attention.
Long lifespan: Many heat pumps can last for up to 20-25 years, approximately twice as long as a modern boiler.
However, it is important to note that air source heat pumps are not suitable for every type of property.
For an air source heat pump to be effective your property needs to have:
- A high level of insulation
- Outside space for the fan unit
- Large radiators or underfloor heating for maximum heat delivery as heat pumps deliver heat at a lower temperature than boilers
- A small amount of electricity to operate
- A hot water cylinder
To get the best price on an air source heat pump for your property, it is important to compare multiple quotes from different companies.
This can take time but we can help make your research a lot easier.
We here at Smart Adapt can provide you with one of those quotes online now!
Which is the best ground source heat pump?
According to another boiler guide article, one of the best ground source heat pumps is the Viessmann Vitocal 222-G.
Heating & Hot Water
Not only will the Vitocal 222-G heat your property in a highly efficient manner, it will also provide domestic hot water too. This is thanks to being fitted with an integral hot water cylinder with a capacity of up to 220 litres.
Ground Source Heat Pump with Cooling
Unlike other renewable heating systems, the Vitocal 222-G can provide cooling during the summer months by harnessing the cooler underground temperatures too.
Best Ground Source Heat Pump by Warranty
The only downside to the Vitocal 222-G is that it’s warranty period of 2-5 years is beaten by other models. If warranty is important to you then look no further than the Vaillant geoTHERM which comes with a parts and labour warranty of up to 7 years.
Comparing ground source heat pumps
To find the best ground source heat pump for your property, it’s important to consider the following:
- Output rating
- Unit Dimensions
- Length of the warranty period
- Efficiency rating
- Potential cost
- If it’s Microgeneration Certification Scheme (MCS) certified – required for Renewable Heat Incentive eligibility
Best ground source heat pumps and prices
In the table below, we’ve compared key information about the best ground source heat pump models side-by-side.
Manufacturer | Model | Available Outputs (kW) | ErP Energy Efficiency Rating | Potential Price |
Vaillant | geoTHERM | 22, 30, 38, 46 | A++ | £8,000 – £12,000 |
Viessman | Vitocal 222-G | 6.1 – 10.0 | A++ | £6,000 – £7,500 |
Nibe | Nibe F1145 | 5 – 17 | A+++(17kW – A++) | £9,000 – £10,000 |
Kensa | Evo | 7, 9, 13, 17 | A++ | £8,000 – £12,000 |
Worcester-Bosch | Greenstore 6 System | 6, 7, 9, 11 | A+ | £4,500 – £8,000 |
The above ground source heat pump prices are estimates but many ground source heat pumps tend to cost £8,000 to £12,000 to buy and install.
Nibe ground source heat pumps
A Nibe heat pump could potentially lower your energy bills by as much as 75%.
This is thanks to the minimal amount of electricity that is required to power the heat pump during operation.
Nibe ground source heat pumps are split into 2 ranges:
- The F Series
- The more recent S Series.
Nibe S Series
- Output ratings from 6 kW up to 25 kW
- Integrated wireless connectivity
- User-friendly touchscreen display
- Use the uplink app to control the heat pump from your smartphone
- Automatically adjust the heating based on the weather conditions
- Integrated hot water heater (180 litres)
- Also boasts cooling technology
- Can be used with voice assistant
Nibe S Series Heat Pumps | Output Ratings (kW) | Efficiency | Warranty |
S1255 | 6, 12, 16 | A+++ | 2 -7 years |
S1155 | 6, 12, 16, 25 | A+++ | 2-7 years |
Nibe F Series
- Operational costs are kept to a minimum
- Smart energy-saving technology
- Outputs ranging from 5 kW up to 60 kW
Nibe F Series Heat Pumps | Output Ratings (kW) | Efficiency | Warranty |
F1255 | 6, 12, 16 | A+++ | 2-7 years |
F1155 | 6, 12, 15 | A+++ | 2-7 years |
F1145 | 6, 8, 10, 12, 15, 17 | A+++ | 2-7 years |
F1355 | 28, 43 | A+++ | 2-7 years |
F1345 | 24, 30, 40, 60 | A+++ | 2-7 years |
Vaillant ground source heat pumps
The most popular Vaillant ground source heat pumps are in the geoTHERM range.
However, they also manufacture a diverse range of flexoTHERM multi source heat pumps which can be adapted to take heat from the air or water as well as the ground.
Very Quite Pumps:
These heat pumps are amongst the most quiet during operation and have been awarded Quiet Mark accreditation as a result.
Vaillant Ground Source Heat Pumps | Output Ratings (kW) | Efficiency Rating | Warranty |
geoTHERM | 22, 30, 38, 46 | A++ | Up to 7 years |
flexoTHERM multi source | 5, 8, 11, 15, 19 | A+++ | 5-7 years |
Viessmann ground source heat pumps
Viessmann have an extensive range of ground source heat pumps to choose from with outputs from 5.6 kW all the way up to 96.1 kW.
Suitable for lots of properties:
Their Vitocal range of heat pumps offer a number of benefits for new builds, semi-detached, detached homes and larger residential properties.
If you’re looking for a heat pump that can meet your domestic hot water demands then the Vitocal 222-G has an integral hot water cylinder.
Viessmann Ground Source Heat Pumps | Output Rating (kW) | Efficiency Rating | Warranty |
Vitocal 200-G | 5.6, 7.5, 9.7 | A++ | 5-7 years |
Vitocal 222-G | 5.8, 7.5, 10.4 | A++ | 5-7 years |
Vitocal 300-G | 5.7, 7.6, 10.4, 13, 17.2 | A++ | 5-7 years |
Vitocal 350-G | 25.4, 34.7, 42.2, 52.3 | A++ | 5-7 years |
Vitocal 350-G Pro | 27.2, 34.3, 56.1, 76, 96.1 | A++ | 5-7 years |
Mitsubishi ground source heat pumps
Mitsubishi Ecodan Monobloc heat pumps can extract heat from the ground or a water source, like a lake.
These models are robust, offering outputs of 45 kW and 60 kW. They can be installed individually or stacked together to boost power output (up to 960 kW).
The system provides water flow temperatures of up to 65°C and is MCS certified, making it eligible for the Renewable Heat Incentive.
Mitsubishi Ground Source Heat Pumps | Output Rating (kW) | Efficiency Rating | Warranty |
Ecodan Monobloc | 45, 60 | A++ | 3-7 years |
Worcester Bosch ground source heat pumps
Worcester Bosch ground source heat pumps are available as either combination (combi) or system models.
All models in the combi range have an integrated hot water cylinder (185 litres) for domestic hot water storage.
Separate hot water cylinder required:
Meanwhile, the system range of heat pumps require you to have a separate hot water cylinder* installed.
*It is important to note that this hot water cylinder must be heat pump compatible.
Worcester Bosch Ground Source Heat Pumps | Output Ratings (kW) | Efficiency Rating | Warranty |
Greenstore LECP Combi | 5.4, 6.6, 8.7, 10.2 | A+ | |
(Greenstore 11 – A++) | 2 years | ||
Greenstore LECP System | 5.4, 6.6, 8.7, 10.2 | A+ | |
(Greenstore 11 – A++) | 2 years |
Kensa ground source heat pumps
Kensa offers a fairly extensive range of ground source heat pumps.
3 ranges:
Output ratings ranging from 3 kW up to 30 kW are available across 3 ranges: Evo, Shoebox and Twin Compact.
All of Kensa heat pump ranges are highly efficient, come with a warranty of 5 years and are eligible for RHI payments.
Price Ranges:
The main difference is price. Shoebox heat pumps are the most affordable (from £3,510) while the Twin Compact range has the highest price tag (from £9,230).
Evo Heat Pumps:
Evo heat pumps sit in between with prices of the models in this range starting at £5,862.
A key benefit of all single-phase Kensa heat pumps are the electrical ‘soft starts’ which ensures that energy consumption is kept to a minimum during start-up.
Kensa Ground Source Heat Pumps | Output Ratings (kW) | Efficiency Rating | Warranty |
Evo | 7, 9, 13, 15, 17 | A++ | 5 years |
Shoebox | 3, 6 | A+ | 5 years |
Twin Compact | 12, 15, 16, 17, 20, 24, 30 | A++ | 5 years |
Ground source heat pump installation costs
Ground source heat pumps aren’t the most affordable heating systems. And installation is fairly complex which means that the installation costs can be fairly high too.
The total cost of installing a ground source heat pump can come to between £10,000 and £18,000. In some cases, these costs can stretch to over £30,000.
However, while high, these prices don’t tell the whole story.
Reduced Energy Costs and RHI payments:
This is because you will likely be making significant energy bill savings and could also be receiving RHI payments.
Existing System | Energy Bill Saving per year | RHI Payment (1 January – 31 March 2018) |
Gas Boiler (G-rated) | £505 – £580 | £2,335 to £2,750 |
Gas boiler (A-rated) | £65 | £2,335 to £2,750 |
Oil boiler (G-Rated) | £900 to £1,110 | £2,335 to £2,750 |
Oil boiler (A-rated) | £570 to £665 | £2,335 to £2,750 |
LPG boiler (G-rated) | £560 to £665 | £2,335 to £2,750 |
LPG boiler (A-rated) | Increase of £55 to £65 | £2,335 to £2,750 |
Coal | £525 to £645 | £2,335 to £2,750 |
Read about: Boiler Installation in Bolton
All Boiler Types:
Confirmation of the four main types of boilers and heating systems:
- The Common, Heat Only Boiler
- System Boiler
- Combi Boiler, Condensing Boiler
- The new Heat Pumps!
The boiler installation & repair team here at Smart Adapt, are all fully qualified to the highest standards and take pride in producing exemplary work standards. This include completing all boiler installation requirement no matter what time or day this is required!
High standard of professional work:
Our team of high quality professional engineers have an extremely high 4.9 out of 5, Trustpilot score given by our previous happy customers and we are fully accredited by Gas Safe and Corgi registered, as well as FCA approved for all of our financial transactions.
Different Types of Boiler Installations explained too…
There are three main types of boiler installation and each has a different level of complexity which can impact the boiler installation times:
- Straight Swap
- Boiler Relocation
- System Upgrade
Please find more details about each type of installation as well as an estimate of the time it takes for each type of installation:
Type of installation: Straight swap (same location)!
Details: A straight swap installation, also known as a like-for-like swap, is a type of boiler installation that involves replacing your current system with a boiler of the same type, in the same place.
Time: This is generally the quickest type of boiler installation as it requires very little change and can often be completed in just one day.
Type of installation: Boiler relocation
Details: A boiler relocation installation requires moving your new boiler to a different location within your property and this could slightly prolong the installation process. Your boiler engineer may have to make changes to the existing pipework or they may have to cap the current pipework and install new elements to the new location.
Time: This adjustment could add another day on to the standard one day installation making it up to 2 days of installation*.
*It’s worth noting that the further away you choose to install your new boiler, the longer the installation is likely to take which will also have an impact on your price.
Type of installation: System upgrade
System upgrade installations involve homeowners opting to change the type of boiler installed in their property.
For instance, transitioning from a heat-only boiler to a combi boiler constitutes a system upgrade. Combi boilers have become the preferred choice in the UK, prompting many to upgrade from older heat-only boiler systems.
Timing: A system upgrade could extend your installation timeframe to up to 3 days or more, depending on the complexity of the job.
While this may seem like a lengthy process, the benefits of upgrading to a more efficient system often justify the time investment.
Read more: Worcester Bosch Greenstar 8000 Life Combi Boiler Review
Why choosing the right boiler is important?
Choosing a suitable boiler for your home can provide you with all the heating and hot water that your family or property require.
You could also save money on your annual energy bills and reduce your carbon footprint by using a more efficient system for your requirements.
Full range of heating & plumbing services provided by Smart Adapt:
- Boiler Repairs & Installations
- Boiler Supply & Fit
- Financing Your Boiler
- Emergency Boiler Repairs & Installations
- Emergency Boiler Supply & Fit
- Plumbing Repairs
- Bathroom Plumbing
- Kitchen Plumbing
- Emergency Plumbing Repairs
- Bathroom Plumbing in Emergencies
- Emergency Kitchen Plumbing
- General Plumbing Services
- Emergency Plumbing Services
- Emergency Gas & Heating Engineer
Areas covered by our Boiler Replacement Services:
letsheat engineers cover all of Wales and England.
WALES:
letsheat offers Heat Pump installations throughout Wales, covering areas such as South East Wales, South Wales, South West Wales, Mid Wales, East Wales, West Wales, and North Wales.
Welsh Cities:
This includes all Welsh cities such as Cardiff, Newport, Swansea, and other towns and cities in Wales.
ENGLAND:
letsheat provides Heat Pump installations across England, encompassing regions like South West England, South East England, East Midlands, West Midlands, North West England, and North East England.
English Cities:
This covers all English cities including London, Reading, Southampton, Portsmouth, Bristol, Exeter, Plymouth, Gloucester, Swindon, Oxford, Leicester, Nottingham, Derby, Birmingham, Worcester, Wolverhampton, Walsall, Liverpool, Manchester, Leeds, York, Sheffield, Newcastle, Sunderland, and Middlesbrough, among others.
Any more questions?
If you have any further questions about Boilers, or anything else, please see our FAQ Page because you might find the answers there or on our News Blog. Get a quote
FAQ’S
How much is a combi boiler in UK?
A new combi boiler would usually cost between £600 – £900 for a budget model, £900 – £1,200 for a mid-range model and £1,000 – £2,000 for a premium model depending on the size of the boiler.
What is the cost of a new system boiler?
A new system boiler would usually cost between £600 – £900 for a budget model, £900 – £1,300 for a mid-range model and £1,300 – 2,500 for a premium model.
how much does a regular boiler cost?
Regular boiler replacement would cost between £1,900 to £2,200.
Will a new boiler save me money?
It is estimated that Upgrading to a new modern combi boiler is likely to save you between 20-35% on your gas bills
Who qualifies for a boiler grant?
For boiler grants you need to receive a qualifying benefit and own your own home and your boiler must be at least over 5 years old.