ANSI/ASHRAE 152-2004 Method of Test for Determining the Design and Seasonal Efficiencies of Residential Thermal Distribution Systems prescribes a method of test to determine the efficiency of space heating/cooling thermal distribution systems under seasonal and design conditions. Can be used for annual energy calculations and heating and cooling equipment capacity calculations. Applies to single-family detached and attached residences with independent thermal systems (air, hydronic and electric).

Units: Dual.

ANSI approved.