Historical
ANSI Z21.40.4A-1998/CGA 2.94A-M98
Addenda 1 to ANSI Z21.40.4-1996/CGA 2.94-M96, Performance Testing and Rating of Gas-Fired, Air Conditioning and Heat Pump Appliances
first addenda cga 2.94-m96/ansi conditioning heat amendment air heatpump z21.40.4-1996 airconditioning
CSA America, Inc. [csa]