What are Air Source Heat Pumps?
Air source heat pumps heat your home and hot water. Installing an air source heat pump is a low-maintenance solution that will reduce carbon emissions and save money on your heating bills.
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They run using electricity, but with a 300% efficiency rating. Compare this to the average 90% rating of a new boiler, or older boilers which can be as low as 60%, and you’ll quickly realise why air source heat pumps are a popular way to heat your home or business.
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For every unit of electricity used, an air source heat pump generates 3 units of heat. Meaning they generate more energy than they use.
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An air source heat pump can save you up to £1,000 on your energy bills and 10 tonnes of carbon emissions (figures from Energy Saving Trust).
How They Work
Air source heat pumps are installed outside, normally at the side or rear of the building. They absorb heat from the outside air, which is increased using a compressor, before being released into your home.
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There are two types of air source heat pumps, air to water and air to air. Air to water units transfer the heat by pumping liquid through pipes to radiators or underfloor heating. The benefit of an air to water system is that it will produce hot water in addition to heat. Air to air system generates warm air directly from the unit, and circulates this around your home via ducting and fans.
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Before installing air source heat pumps, your property needs to be insulated to reduce heat loss through walls, floors and the roof. If heat is easily escaping the property, the air source heat pump will work twice as hard to generate the heat needed.
The Highest Energy Ratings
Air-to-water heat pumps are among the most economical heating solutions. By relying on air to answer your heating, cooling and domestic hot water needs, the heat pump achieves the highest energy ratings.
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