Answers to frequently asked questions about Heat Pumps
Browse the list of FAQs below, and find the answers to your questions too.
Air source heat pumps extract heat energy from the air outside of your home and use it to heat up your radiators or underfloor heating system. They also heat your water.
Although they require electricity to work, they provide more heat energy than the electrical energy they consume.
An air source heat pump replaces your boiler. Your current boiler will probably run on oil, LPG, gas, electricity or pellets. The new heat pump connects into the same pipework as your old boiler, though some adjustments may need to be made.
Your home needs to be well insulated for an air source heat pump to work efficiently. As part of our service, we will carry out a full technical survey in order to establish if a heat pump makes sense for you. Sometimes additional works are required, such as replacing your main water cylinder, upgrading the pipework, or changing your radiators.
A rough, ball-park figure to supply and install a domestic air source heat pump is £10,000 to £14,000 inc. VAT. The cost can be lower for small systems and higher for large installations.
The government helps you mitigate this upfront cost via the Boiler Upgrade Scheme (BUS) which gives you £7,500 off, assuming you qualify.
The government provides grants to encourage property owners to install low carbon heating systems such as heat pumps, through the Boiler Upgrade Scheme (BUS).
These grants help property owners overcome the upfront cost of low carbon heating technologies.
The scheme is open to domestic and small, non-domestic properties in England and Wales. It runs from 2022 to 2025. Check to see if you are eligible.
A typical, single-unit air source heat pump takes about 3-5 days to install. The installation can take a little longer if additional works are required, such as a replacement water cylinder or radiators.
Most air source heat pumps are warrantied for 5-7 years. The warranties are often dependent on the heat pump being serviced once a year.
Well-maintained heat pumps should last at least 15-20 years or longer.
Heat pumps are quite robust and generally don’t need much maintenance. However, some heat pumps do require an annual service in order to keep the warranty valid.
It’s a good idea to have a professional heat pump engineer check your system either once a year or once every two years.
Yes they do! They can work down to about -20 °C. You may be wondering how that’s possible, as it might seem like below zero the air won’t have any energy in it.
The answer lies in the fact that the Celsius temperature scale is artificial. True temperature is measured in Kelvin (not Celsius) and the coldest possible temperature – containing no heat energy at all – is zero degrees Kelvin which is a mighty -273.15 °C!
No, Air Source Heat Pumps aren’t noisy. They generate around 40-60 decibels of noise which is comparable to a refrigerator or dishwasher.
We will inspect your radiators during our survey which will highlight any incompatibilities and a cost-effective solution will be offered. In most cases your existing radiators will be adequate, but in some cases we need to upgrade the output of the radiator.
Yes, some Air Source Heat Pumps reverse the flow of the refrigerant fluid to provide cooling as well as heating.
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REVIEWS SPEAK FOR THEMSELVES
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Air Source Heat Pump Fitted
Just had an Air Source Heat pump fitted by Infinity and what a professional and great company to work with. Why can't all companies be like this one!
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Superb Service at a Great Price
Infinity Energy supplied and installed our ASHP in early 2022 and we have been very very pleased with its performance ever since. This year they also installed a custom stable foundation for our ASHP - all done to the same highest standards we expect. Would always recommend using them.
Amit Mallick
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Very happy repeat customer
Infinity has carried out various work for me, ASHP service, airconditioning service and most recently, the addition of two new aircon units. From enquiry through to installation & billing, the whole team are friendly, reliable and a pleasure to deal with. I wish more companies had the same ethic as Infinity. I've recommended them to several friends.
Colin M
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First class service
I turned to Infinity for my ASHP service and took advice from their engineer about an Air Conditioning unit. The work was carried out in a timely and efficient manner. The engineers that attended were really friendly and knowledgeable. It was first class service and I would not hesitate to use Infinity Energy Services again.
Ian N
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for more information, visit our main Air Source Heat Pump page, or contact us online
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