A heat pump installation operates similarly to how an air conditioner does, but in reverse. It pulls heat from the air around it, which then warms up the refrigerant inside. This refrigerant is compressed, increasing its temperature further. It then circulates through a heat exchanger, warming the water. Afterwards, the refrigerant expands, cools down, and is ready to absorb heat from the air once more. The process predominantly uses electricity for the compressor and a fan, while the bulk of the heating energy is indirectly sourced from the sun.
Domestic heat pumps are highly efficient for heating water, requiring only a fraction of electricity to power the compressor, the system’s core component. The energy output in the form of heat can be up to four times the electrical input, significantly reducing electricity usage for water heating by up to a quarter of the conventional amount.
Operating independently of direct sunlight or radiation, heat pumps extract thermal energy from the air any time, making them an alternative form of solar heating. They remain effective even in cold conditions.
Visually resembling an air conditioner, a heat pump can be installed on the ground or mounted on a wall. It features a quiet operation, a user-friendly interface, no greenhouse gas emissions, and requires minimal maintenance, making it an eco-friendly and convenient option for water heating.