How does an air source heat pump work?

Defining an air source heat pump.

An air-to-water heat pump transfers heat from outside air to water, which warms your rooms through radiators or underfloor heating. It may also heat water in a hot water cylinder, which can then provide hot water to your faucets, showers, and bathtubs.

A liquid is used to absorb heat from the surrounding air. After entering the heat pump through the heat exchanger, this fluid is heated before transferring its heat to the water.

Our comprehensive guide to heat pumps explains how they function in further detail, including information on average savings, system design, and control.

How does an air source heat pump work?

One may compare how an air source heat pump heats a house to a refrigerator running in reverse. To explain how it functions:

Air from the outside is forced via a system of tubes containing a refrigerant. That causes the refrigerant to change phases, from liquid to gas, as a result of the heat.

A compressor is used to boost the pressure of this gas. Compression also increases the heat present, much as how the air hose becomes hot when you pump air into your tires.

The superheated, pressurised gases enter a heat exchanger surrounded by cold air or water. The refrigerant warms the air or water by transferring its heat to it. This is what provides both the heat and the water for your house. In the meanwhile, the refrigerant boils back down to a liquid state.

Should I have an air-source heat pump?

Air source heat pumps are the most prevalent household heat pump in the UK, with tens of thousands installed. But before you decide whether a heat pump is good for you, there are a few things to consider.

  • In that case, do you have a place to store it?
  • How audible is a typical heat pump?
  • What kind of heating system will you use for your house?
  • What kind of hot water cylinder do you have?

Cost of an air-based heating and cooling system.

The price of installing an air source heat pump depends on a number of factors, including the size of the heat pump, the square footage of the building, whether or not the building is brand new, and whether or not the current heating system has to be modified. A heat pump system may cost anywhere from £7,000 to £13,000, but to get a more accurate estimate, it’s better to get quotes from at least three different installations.

Do heat pumps reduce monthly energy costs?

The heat pump’s operating expenses will be determined by its design and how it is used. It is also important to consider the system you are replacing when calculating your potential energy savings.

Below, we estimate the yearly cost reductions that may be realised by upgrading the radiators in a typical four-bedroom detached house with the basic air source heat pump.

I hope our comprehensive guide helped you understand how to get the most out of your heat pump and save the most money possible. For more information, visit our webpage.



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