An air source heat pump (ASHP) is a system which transfers heat from outside to inside a building, or vice versa. Under the principles of vapor compression refrigeration, an ASHP uses a refrigerant system involving a compressor and a condenser to absorb heat at one place and release it at another place. They can be used as a space heater or cooler, and are sometimes called “reverse-cycle air conditioners”.
In domestic heating use, an ASHP absorbs heat from outside air and releases it inside the building, as
hot water-filled radiators,
underfloor heating and/or
domestic hot water supply.
The same system can often do the reverse in summer, cooling the inside of the house.
When correctly specified, an ASHP can offer a full central heating solution and domestic hot water up to 80 °C.
Advantages and Disadvantages of an Air Source Heat Pump
Air source heat pumps are a renewable alternative with which to heat your home in the UK. With an air source heat pump, you can save money on your energy bills as well as reduce your carbon footprint (when compared to a gas or electric heating system).
One of the primary advantages of an air source heat pump is their versatility and affordability.
An air source heat pump can work for either heating or cooling purposes, and can be used for space heating or water heating.
What’s more, is that the UK government grants make this renewable energy source even cheaper to run.
Advantages of Air Source Heat Pumps
Low carbon footprint
Save money on your energy bills
Eligible for Green Homes Grant
Can be used for both heating and cooling
Can be used for space heating and domestic hot water
Works even in lower temperatures
Easy installation process
Long lifespan (15 – 25 years)
No fuel storage needed
Can be powered by wind or solar energy
Disadvantages of Air Source Heat Pumps
Lower heat supply than boilers
Extra spending is required to install underfloor heating
Your home must be well insulated already
Lower efficiency below 0°C
Lower savings hen compared to low price mains gas
Some Electricity is needed to run an air source heat pump
Some air source heat pumps can be noisy
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