This piece looks at the experience of one householder in the south of england who has kept detailed meter readings over the last few weeks. An air source heat pump takes heat from the air and boosts it to a higher temperature using a compressor. How Do Air Source Heatpumps Work Energy Saving Tips Heat Pump Save Energy The air source heat pump absorbs heat from the outside air into a liquid refrigerant at a low temperature. How does air source heat pump work in winter . Heat pumps work in a similar fashion to air conditioners: This allows the unit to absorb heat from the outside air, even in low temperatures, and transfer this heat inside your home, where it warms the air. The amount of heat that can be transferred to you home by an air source heat pump is massively reliant on the outdoor temperature. More evidence of problems in cold weather. A heat pump works differently in the winter than it does in warmer months, so a few precautions can ensure optimal efficiency and co...