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ASHRAE 40   2024   Methods of Testing for Rating Heat-Operated Unitary Air-Conditioning and Heat-Pump Equipment 80 $
ASHRAE 40   2006   Methods of Testing for Rating Heat-Operated Unitary Air-Conditioning and Heat-Pump Equipment 50 $
ASHRAE 40   2002   Methods of Testing for Rating Heat-Operated Unitary Air-Conditioning and Heat-Pump Equipment 50 $
ASHRAE 40   1980   Methods of Testing for Rating Heat-Operated Unitary Air-Conditioning Equipment for Cooling R(1992) 30 $