Table of Contents
Different Types Of Boilers
Welcome to the Let’s Heat, “Different Types of Boiler” page.
Here you will find lots of information on the different types of boilers and heating systems available to you, for heating your property and your hot water.
Four main different types of boilers or heating systems!
There are four main different types of boilers or heating systems that we recommend and install at Let’s Heat:
- The Common, Heat Only Boiler
- A System Boiler
- The Combi Boiler, Condensing Boilers
- The new Heat Pumps!
There are also three different types of boiler installation:
- Straight Swap
- Boiler Relocation
- System Upgrade
We have compiled a list of the top boilers, boiler brands and boiler pricing for each of the different types for you to view here:
*Please also see our additional article on the different types of boiler installation below the 4 articles on the different types of boilers.
Heat Only Boilers Brands & Prices…
Heat Only or common boilers cost from approx £500 to £2000 dependent on the brand and the size of the model etc.
The common boilers, are a traditional domestic boiler type, which were often found in all homes in the UK that were built before 1970.
Location
The heat-only boiler directly provide heating and hot water from a storage cylinder, usually situated in the airing cupboard.
The boiler is fed by a cold water cistern from above (usually the attic), via gravity.
The expansion cistern is separate so this boiler system requires a reasonable amount of space.
These boilers vary greatly in price dependant on the brand in question, with models usually starting at £500, and reaching up to £2000 for some makes and models.
Heat Only Boiler Brands & Prices…
Please see prices for top brands like;
WORCESTER BOSCH GREENSTAR UTILITY 50 – 70 (OIL) – Typical Price – £1,700 – £1,900
WB GREENSTAR FS 42CDI REGULAR – Typical Price – £1,500-£1700
WORCESTER BOSCH GREENSTAR 30CDI REGULAR – Typical Price -£1,200-£1,300
VAILLANT ECOTEC PLUS 428 – Typical Price – £800 – £900
VAILLANT ECOTEC PLUS 415 – Typical Price – £600-£800
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.
Heat only boilers are ideal for larger homes as they have a high flow rate, are able to meet high hot water demands, and multiple taps or showers can be used at any one time.
They will however require more space than other boilers such as the combi, and the use of hot water is limited by the size of your cylinder so once it’s gone, you must wait for it to reheat.
Heat only boiler brands and prices for different sized properties:
Heat only boilers 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
Output – 12;15;18;24;32KW
Price: £500-£600
Brand: BAXI SOLO 12 HE
Output – 12;15;18;24;30;35KW
Price: £600-£700
Heat only boilers 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: VAILLANT ECOTEC PLUS 438
Output – 38KW
Price: £1,200-£1400
WORCESTER GREENSTAR FS 42CDI REGULAR
Output – 30;42KW
Price: £1,500-£1700
Best combi boilers & boiler brands including Combi Boiler pricing…
UK Combi boiler brands 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.
For all score please see the full which article by clicking the link!
The Typical prices for the pollutant 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 based on responses from 153 Which, Trusted Trader heating engineers in June 2021.
The typical price range for the which assessment was based on the low and high price ranges for a standard 30kW combi boiler, across the combi boiler brand’s full range.
A 30kW boiler is suitable for most medium-sized homes.
The combi boiler prices do not include the boiler installation costs.
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?
According to the article, a good combi boiler will deliver plenty of hot water for your showers, baths and sinks, and will keep your radiators piping hot throughout the coldest of winters.
The article also covers the brands that make the most reliable combi boilers, according to the Trusted Trader Heating Engineers that were questioned.
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 boilers:
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
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 boilers
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 boilers
Details: Potterton is part of Baxi, which is in turn part of the BDR Therma Group. As such, several of Potteron’s ranges – such as its Assure range – have been absorbed under the Baxi name. It still owns the Titanium Combi boiler brand.
Price: Prices for the Titanium start at £800 for the 28kW size.
# Vaillant boilers
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 boilers
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 boilers
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 like;
- 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.
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 for 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
- With 10-15 radiators you need a boiler between 28kW and 34kW
- When you have more than 15 radiators you need a boiler with over 34kW
Best System Boilers, Boiler Brands & System Boiler Pricing
System boilers are common in the UK.
The system boiler is especially popular for households with more than four people or properties with more than one bathroom.
Please find some information, advice and pricing on the best system boilers for you to choose from.
If you are unsure whether you need a system boiler, a combi boiler, or a heat only boiler, please take a look at our quick online guide.
Best System Boilers for this year, 2022 and beyond!
Please also take a look at our best combi boilers and best heat only boiler pages!
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
# Viessmann
Model: Viessmann Vitodens 100-W Gas System Boiler
Details: The Viessmann Vitodens 100-W System boiler is a reliable and fantastic wall mounted gas condensing boiler.
These gas system boilers are available for prices around £1000, making it a great choice for any home who wants a top-quality but affordable system boiler.
The Viessman Vitodens 100-W comes in 26kW, 30kW, and 35kW system boiler sizes.
This system boiler is perfect for larger homes with more than four people, or more than one bathroom, where the demand for hot water is high and to multiple taps at once.
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.
Price: 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.
Want a quote?
With us here at Let’s Heat 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!
# Worcester-Bosch
Model: Worcester-Bosch Greenstar 24i System Boiler Reviews
Details: The Worcester-Bosch Greenstar 24i System Boiler is one 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; however, it doesn’t require a feed and expansion cistern.
This makes the Greenstar 24i a quick and easy Boiler to install which can being down the installation cost, and this also makes it efficient and economical 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.
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 Let’s Heat 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!
# 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.
Price: This boiler usually costs around £1500 with an installed price of £2000+
Want a quote?
With us here at Let’s Heat 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 <<link>> and that they have a great review score for their workmanship see our 4.9 Trustmark 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.
Best Heat Pumps, Brands & Pricing
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 common type of heat pump is the air source heat pump, which transfers heat between your house and the outside air.
An air source heat pump will extract heat from air outside your property in the same way a fridge extracts heat from its inside.
Work in all temperatures
Air source heat pumps become less efficient the cooler it is outside, but they can be capable of operating sufficiently in temperatures of -15 C, which is 99.99% of the year in the UK.
They have fantastic energy efficiency ratings and although they do have some impact on the environment (as they require electricity to run), they do not combust fuels directly, so in most cases they provide a fantastic way of lowering your carbon footprint.
Ground Source Heat Pumps
A ground source heat pump functions similarly, but it functions by taking the residual warmth from the soil or a water body outside your property and moves it to the inside of the property.
Ground source, water source or geothermal heat pumps achieve higher efficiencies by transferring heat between your house and the ground or nearby water source. Although they are more expensive to install they generally have lower operating costs because they can rely on more constant source temperatures.
Energy Efficiency
The ground source heat pumps also have fantastic energy efficiency ratings and although they do have some impact on the environment (as they require electricity to run), they do not combust fuels directly, so in most cases they too, provide a fantastic way of lowering your carbon footprint.
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*.
*But in the UK you can currently get £5,000 contributed towards the cost.
This may sound like a big price tag but when you consider that it could be efficiently heating your home for around 20 years with reduced heating bills, it easy to see how it will soon be paying for itself.
Overview
Using the table below you can get a quick understanding of what each of the models has to offer before we go into more detail about each one individually.
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.
We highly recommend getting quotes from at least 3 different installers to give you the greatest chance of finding the best deal for your home.
We here at Let’s Heat can provide you a quote online now! Get a quote.
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.
Daikin Altherma
Details: Over the past 90 years, Daikin have built up a worldwide reputation for the quality of their forward thinking air conditioning and climate control technology.
The Daikin Altherma with Bluevolution Technology 3 is an air-to-water system that can operate in temperatures as low as -25°C which means your home will get heating from the air even in the depths of winter. It is the first air-water heat pump in the UK using R32 as a refrigerant and achieves an overall seasonal efficiency of A++. You also have the option of controlling your heating via an app on your smart device.
Indoor & Outdoor Units
The indoor unit is designed for easy installation and maintenance as all the hydraulic components are accessible from the front. It needs to be combined with a separate domestic hot water tank with a capacity of up to 500 litres with or without solar support. The outdoor unity has handles for easy installation as well as an out-blow grill and factory mounted suction grill as extra safety features.
Interested in Daikin Heat Pumps?
Discover and compare different air source heat pumps from Daikin here –
FIND OUT MORE
We here at Let’s Heat can provide you a quote online now! Get a quote <<link>>.
Nibe F2040
Details: Nibe are a Swedish company that’s grown to become a leading manufacturer of domestic heating products in many countries across Europe.
The Nibe F2040 is a highly efficient air source heat pump shown through its ErP rating of A+++.
Anti-vibration water connection
You won’t have to worry about the installation of this appliance as that’s been designed to be as smooth as possible, thanks to it being fitted with an anti-vibration water connection.
By downloading the Nibe Uplink app to your smart device, you can get quick overviews and status updates of the appliance and the heat it’s generating. Should there be an issue with your air source heat pump, which is very rare, then an alert will be sent to your device immediately.
Interested in Nibe Heat Pumps?
Discover and compare different air source heat pumps from Nibe here –
FIND OUT MORE
We here at Let’s Heat can provide you a quote online now!
Samsung EHS Mono
Details: You’re probably more familiar with Samsung’s phones than their air source heat pumps but after years of research, they’ve released the EHS Mono range.
The unit is compact and lightweight which makes them simple to install and you have the option of it being wall mounted or floor standing. The EHS Mono is capable of achieving high water temperatures of 55°C and can still extract heat from the air in temperatures of -25°C. It even operates quietly.
Interested in Samsung Heat Pumps?
Discover and compare different air source heat pumps from Samsung here –
FIND OUT MORE
We here at Let’s Heat can provide you a quote online now!
Vaillant aroTHERM
Details: Vaillant are a trusted manufacturer of gas boilers and also have a range of renewable products available from ground source heat pumps to solar thermal.
Vaillant’s aroTHERM air source heat pump is a compact unit that makes installation easy. The appliance comes MCS accredited and Quiet Mark approved as it ultra-quiet operation. It can be easily integrated into domestic heating systems which means that the installation will cause very little disruption.
To further improve performance and give extra protection from corrosion the unit has a blue fin coated evaporator with anti-hydro coating.
Interested in Vaillant Heat Pumps?
Discover and compare different air source heat pumps from Vaillant here –
FIND OUT MORE
We here at Let’s Heat can provide you a quote online now!
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.
It can achieve a maximum flow temperature of 65°C for heating as well as convenient domestic hot water heating.
Efficient & Cost Effective
It does all of this while operating extremely efficiently and quietly while only incurring minimal electricity costs.
Not only can you rely on the Vitocal 200-A to heat your home, it’s also capable of reversed operation in the summer, meaning that it can cool your home during the warmer months and is compatible with energy from solar panels.
The Vitocal 200-A is user friendly thanks to the Vitotronic control unit, featuring a plain text and graphic display plus the option of remote control with the ViCare app and Vitoconnect.
Interested in Viessmann Heat Pumps?
Discover and compare different air source heat pumps from Viessmann here –
We here at Let’s Heat can provide you a quote online now!
Grant Aerona³
Details: Grant’s range of MCS approved air source heat pumps is the Aerona³ and is the third generation of ASHPs by Grant. These pumps are single phase, DC inverter driven and have an ErP energy rating of A++. They incorporate in-built weather compensation and a base tray heating element to prevent ice formation and can extract heat in temperatures as low as -20°C. Available outputs include a a 6, 10 or 16kW model as well as the new 12kW R32.
1st Monobloc
The Aerona³ 12kW R32 inverter driven air source heat pump is the latest addition to the range. It uses a more ‘environmentally friendly’ refrigerant (R32) which has a lower Global Warming Potential (GWP) rating than other typical heat pump refrigerants. It is the first monobloc R32 air source heat pump to be launched in the UK and is suitable for S-Plan heating control systems.
Interested in Grant Heat Pumps?
Discover and compare different air source heat pumps from Grant here –
FIND OUT MORE
We here at Let’s Heat can provide you a quote online now!
Mitsubishi Ecodan QUHZ
Details: The Ecodan QUHZ from Mitsubishi is a monobloc air to water heat pump system with a thermal store. It features low noise output and has a built in monitoring system to enable you to track and potentially reduce your energy use.
This system includes an outdoor unit which only requires a supply of electricity and water and an indoor hot water cylinder (thermal store) which acts just like a standard hot water cylinder works alongside a boiler providing your heating and taps with hot water.
New Builds or Hybrid
The Ecodan can be installed in new builds or alongside existing heating or in a hybrid system if you are keeping your gas boiler as a back up. It can be controlled using a wireless controller or via an app on a smart device.
Interested in Mitsubishi Heat Pumps?
Discover and compare different air source heat pumps from Mitsubishi here –
FIND OUT MORE
We here at Let’s Heat can provide you a quote online now!
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.
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.
Interested in LG Heat Pumps?
Discover and compare different air source heat pumps from LG here –
FIND OUT MORE
We here at Let’s Heat can provide you a quote online now!
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.
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.
Interested in Hitachi Heat Pumps?
Discover and compare different air source heat pumps from Hitachi here –
FIND OUT MORE
We here at Let’s Heat can provide you a quote online now!
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.
Is an air source heat pump right for your home?
There are many pros and cons of installing an air source heat pump but if you like the sound of enjoying the ways an air source heat pump could be benefiting your home, such as:
Reduced energy bills
Air source heat pumps are highly efficient heating systems that have the potential to lower your energy bills.
RHI payments
Air to water heat pumps are eligible for quarterly payments over 7 years through the Renewable Heat Incentive scheme.
Better for the environment
Heat pumps use only a small amount of electricity to run and are capable of generating significantly less carbon than fossil fuel heating systems.
Heat your home all year round
Make use of your air source heat pump all year round even in the coldest UK winters.
Easy to maintain
Aside from annual servicing heat pumps a they require very little maintenance and can be left alone to heat your home.
Long lifetime
Many can last for up to 20-25 years. That’s around 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 home. For an air source heat pump to be effective your home 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 home, 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 Let’s Heat can provide you a quote online now!
What 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.
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.
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 |
V 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 take heat from the ground or a water supply, such as a lake.
These are powerful models with outputs of 45 kW and 60 kW that can be installed as single modules or stacked together to increase the power output (up to 960 kW).
The system delivers water flow temperatures of up to 65°C and is MCS certified which means that it’s 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.
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.
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 .
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 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. 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 |
All Boiler Types:
Confirmation of the four main types of boilers and heating systems:
- The Common, Heat Only Boiler
- A System Boiler
- The Combi Boiler, Condensing Boiler
- The new Heat Pumps!
The boiler installation & repair team here at Let’s Heat, are all fully qualified to the highest standards and take pride in producing exemplary work standards which include completing all boiler installation requirement no matter what time or day this is required!
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 each type of installation will take:
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.
See boiler prices for the costs of your new boiler and boiler installation.
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.
See boiler prices for the costs of your new boiler and boiler installation.
Type of installation: System upgrade
Details: System upgrade installations are where homeowners choose to change the type of boiler they have installed in the property.
For example, switching from a heat only boiler to a combi boiler would be considered a system upgrade. Combi boilers have become the most popular boiler type in the UK, so many people choose to upgrade to this type of system from the older heat only boiler variety.
Time:
A system upgrade could make your installation take up to 3 days* or more depending on the complexity of the job.
*This may seem like a long process, but the benefits of upgrading to a more efficient system can often make it worthwhile.
See boiler prices for the costs of your new boiler and boiler installation. <<link>>
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.
Areas covered by our Boiler Engineers / Heating Engineers:
The Let’s Heat boiler engineers cover all of Wales & England because we are happy to travel.
WALES:
Let’s Heat provide Boiler Installantion throughout Wales, including area like; South East Wales, South Wales, South West Wales, Mid Wales, East Wales, West Wales and North Wales.
This includes all of the Welsh cities like; Cardiff, Newport, Swansea and all other towns and cities in Wales
ENGLAND:
Let’s Heat provide Boiler Installantion throughout England, including areas like; South West England, South East England, East Midlands, West Midlands, North West England, and North East England.
This includes all of the English cities like; London, Reading, Southampton, Portsmouth, Bristol, Exeter, & Plymouth in the South.
Like; Gloucester, Swindon, Oxford, Leicester, Nottingham, Derby, Birmingham, Worcester, Wolverhampton & Walsall in the Midlands.
And like; Liverpool, Manchester, Leeds, York, Sheffield, Newcastle, Sunderland and Middlesbrough in the North.
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