Selecting a Heat Pump

Part 3 of Air-Source Heat Pumps. When selecting an air-source heat pump, consider the following three characteristics carefully: the energy efficiency rating, sizing, and the system’s components. Energy efficiency rating In the United States, we rate a heat pump’s energy efficiency by how many British thermal units (Btu) of heat it moves for each watt-hour […]

Types of Air-Source Heat Pumps

Part 2 of Air-Source Heat Pumps. A split-system heat pump heating cycle You can use a central heat pump to heat and cool a whole house. Most central heat pumps are split-systems—that is, they each have one coil indoors and one outdoors (see Fig. 1 below). Supply and return ducts connect to a central fan, […]