How do heat pumps work?
Put simply a heat pump takes the available heat from the ground or air surrounding a property and increases it to a more useful temperature for use in the home. This renewable source of heat can be used to create warm air or water (for space and central heating) as well as hot water (for both central heating and domestic hot water supply).
It achieves this by taking the same principle that allows a fridge to cool your groceries and by utilizing it in reverse.
A heat pump operates in the following way: