UpCodes logo
Jump To Full Code Chapter
The efficiency of ground source heat pumps shall comply with the provisions of Table 606.2.2.1 based on the applicable referenced test procedure.
TABLE 606.2.2.1
ENERGY-EFFICIENCY CRITERIA FOR
GROUND SOURCE HEAT PUMPS
PRODUCT TYPEMINIMUM
EER
MINIMUM
COP
TEST
PROCEDURE
Water-to-Air Closed loop14.13.3ISO 13256-1
Water-to-Air Open loop16.23.6ISO 13256-1
Water-to-Water Closed loop15.13.0ISO 13256-2
Water-to-Water Open loop19.13.4ISO 13256-2
Direct Expansion (DX) or Direct GeoExchange (DGX)15.03.5AHRI 870
EER = Energy efficiency ratio, COP = Coefficient of performance.