Heat pump or gas boiler: a comparison
A comparison of an air-to-water heat pump and a gas boiler: investment, running costs, cooling, maintenance and suitability for different houses. No blanket promises of savings.
Read moreA comparison of an air-to-water heat pump and a gas boiler: investment, running costs, cooling, maintenance and suitability for different houses. No blanket promises of savings.
Read moreYes, an air-to-water heat pump also heats in frost. How its output and efficiency change at low temperatures, why it defrosts and what is normal.
Read moreAn air-to-water heat pump takes heat from the outdoor air and transfers it to the heating and hot water. The principle explained simply.
Read more