Engine-Off Cab Heating and Air Conditioning Systems Test Procedure and Performance Requirements - Trucks with and Without Sleepers


This SAE Recommended Practice establishes uniform test procedures and per¬formance requirements for engine-off heating, ventilation, and air conditioning (HVAC) systems in order to achieve driver thermal comfort in both winter and summer rest periods. This specification will apply to heavy trucks with and without sleeper compartments, including but is not limited to Class 6, 7, and 8 powered vehicles.


Document has to be updated due to similar TMC RP's 432 & 438 were updated and approved

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