Recommended Practice

Heating, Ventilation and Air Conditioning Periodic Inspection and Maintenance


Heating, ventilation and air conditioning (HVAC) are essential for passenger comfort, and in some North American climates, health. This Recommended Practice for inspection of air comfort systems is for all transit systems that consider properly functioning HVAC systems a prerequisite for revenue service.

Document History
Document Number Version Publication Date Publication Related Information
APTA RT-VIM-RP-004-02 Rev. 1 06/28/2013 Published Current


air conditioning, light rail, heating, heavy rail, HVAC, periodic inspection and maintenance, ventilation


This Recommended Practice discusses HVAC systems in a general manner, including compressors, motors, fans, filters, condensers, heaters and evaporator coils. It also covers the basic outline for operational checks.

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