They extract heat from the outside air, even in cold temperature. They work by absorbing heat from the outside air using a refrigerant, which then evaporates at a reduced temperature. The effectiveness advantages of heat pumps for heating and cooling provide a substantial opportunity to make improvements to sustainability in https://hightemperatureheatpumps76532.look4blog.com/70009724/the-greatest-guide-to-high-temperature-heat-pumps