A cosy atmosphere
Oct 01, 2021
4 minutes
Feature REBECCA FOSTER
, an air-source heat pump (ASHP) extracts warmth from the air, and increases the temperature to supply a home’s heating and hot water. ASHPs come in two types – air to air and air to water. The latter is more common in the UK and the subject of this guide. Air-to-water systems include a fan unit containing a special coil. Warmth in the air is absorbed by fluid inside the coil, which passes through a compressor to increase its temperature. The heat is then transferred to a water-based heating system for radiators, underfloor heating (UFH) and the
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