Air Source Heat Pumps Explained
Air Source Heat Pumps (ASHP) are used as an environmentally friendly, eco alternative way to heating your property instead of using a traditional boiler. They use a natural, renewable source of heat (the air outside) to generate heat similar to how a refrigerator works but in reverse, by turning cold air into warm air. This is the perfect solution if you want to save money on your heating bills by generating your own heat.
There are two types of Air Source Heat Pump available:
Air-to-water heat pumps
Air-to-water heat pumps use the air from outside and feed it into your wet central heating system. This type of system heats your radiators and also produces your hot water.
Air-to-air heat pumps
Air-to-air heat pumps use the air from outside and feed it into your home using fans. This type of heat pump does not produce hot water.
How Air Source Heat Pumps Work
Heating and cooling is achieved by pumping liquid refrigerant through the pumps indoor and outdoor coils. It works like a refrigerator using a compressor, condenser, expansion valve and evaporator. This then changes the state of the refrigerant liquid from cold liquid to hot gas.
Air Source Heat Pump Components:
A: Indoor compartment, B: Outdoor compartment, I: Insulation, 1: Condenser, 2: Expansion valve, 3: Evaporator, 4: Compressor.
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