AHRI 871 (SI/2016): Performance Rating of Direct Geoexchange Heat Pumps
Standard Scope
This standard establishes a single set of requirements for the testing and rating of cooling and heating capacities, EER, and COP for residential, commercial, and industrial direct geoexchange heat pumps, whereby equipment performance ratings can be compared from product to product.
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© 2016, by Air-Conditioning, Heating, and Refrigeration Institute