The drive to decarbonise space heating and hot water in commercial buildings is intensifying. While low-temperature air source heat pumps (ASHPs) have seen widespread adoption, high-temperature heat pumps (HTHPs) are emerging as the key solution for retrofits where legacy systems demand higher flow temperatures — especially in buildings with:
- Radiator-based heating systems
- High-volume DHW demand (e.g. hotels, hospitals, leisure centres)
- Limited capacity for deep fabric upgrades
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