The energy consumption of a heat pump in winter depends on various factors, including the type of heat pump, the outdoor temperature, the insulation of the home, and the desired temperature level. Here are some general considerations:
Type of Heat Pump:
Air-to-air and air-to-water heat pumps extract heat from the outside air. At lower outdoor temperatures, the efficiency of these systems can decrease, resulting in higher energy consumption.
Ground-source and water-source heat pumps, which extract heat from the ground or water sources, generally have more consistent efficiency, even at lower outdoor temperatures.
Outdoor Temperature:
The efficiency of a heat pump is often highest at moderate outdoor temperatures. In colder temperatures, the heat pump must work harder to extract heat, which can increase energy consumption.
Home Insulation:
A well-insulated home reduces heat demand and helps the heat pump work more efficiently. A poorly insulated home can result in higher energy costs because the heat pump has to work harder to maintain the desired temperature.
Desired Temperature Level:
Setting a higher indoor temperature requires more energy from the heat pump. An efficient approach is to use low-temperature heating systems, such as underfloor heating, since heat pumps perform optimally with these.
System Design and Efficiency:
Modern heat pumps are designed to operate efficiently even at lower outdoor temperatures. It is important to choose a heat pump with a high seasonal performance factor (SCOP/SPF) for better winter performance.

Ole Diepstraten
Product & Energy Advisor
Contact Information
+31 85 888 4003
sustainable@chargeblock.nl