Understanding heating efficiency of air and water source heat pump systems
This document aims to highlight the legislation which dictates the minimum efficiency level that a heat pump
must reach and how that efficiency is measured, calculated and reported by manufacturers. It also aims to
provide insight into why certain data is available/not available for different products and why all data is
shown in a particular format with specific references & caveats.
Understanding exactly how these tests & calculations are carried out will allow heat pump system designers
and other built environment professionals to better use manufacturer published performance data and
relate it to individual projects.
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This paper has been created by Mitsubishi Electric's Net Zero Carbon Design team, please insert your details below.
