Air Source heat pumps absorb heat from the outside air. This heat can then be used to warm the water for radiators or under floor heating systems, or to warm the air in your home. The efficiency of air source heat pumps is measured by a coefficient of performance read more....

Ground Source heat pumps use pipes buried in the garden to extract heat from the ground. This is usually used to warm water for radiators or under floor heating systems. It can also be used to pre heat water before it goes into a more conventional boiler read more....