Heat pumps are devices that are used to extract heat from one place and transfer it to another. Obviously, they are used for heating purposes, but surprisingly, they are also a key component of cooling devices such as air conditioners and refrigerators.

For domestic and commercial purposes, a heat pump is reversible and provides the dual purpose of heating and cooling indoor spaces as required by the weather.

During summer, they pull heat from the house and expel it outdoors, while in the winter they absorb atmospheric heat and transfer it indoors. This is possible because even the coldest air contains heat – in fact, air temperature of -18C retains 85% of the heat when compared to air at 21C!