Decision criteria for selecting air source heat pump technology in UK low carbon housing

The use of low or zero carbon technologies has been encouraged in the UK, one of which is air source heat pump (ASHP). However, the current ASHP uptake in UK housing is low, far behind that in Europe and America. This paper aims to contribute to knowledge of utilising ASHP by examining the decision criteria for selecting ASHP and exploring underlying considerations of UK housebuilders. The research was carried out through a case study with a housebuilder and seven nation-wide suppliers, engaging four new-build projects. A wide range of decision criteria were identified. Despite the dominance of cost considerations, non-cost factors also imposed significant commercial implications on the housebuilder’s technology selection. For achieving more effective ASHP selection, a structured approach is suggested to manage the decision criteria and appreciate the stakeholders’ roles and relationships regarding technology uptake. Improved practice should enable a more informed technology decision culture in UK housing.

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