Ram Air Engineering, Inc. is one of California's leading Heating, Ventilating, and Air Conditioning Companies servicing the Southern California area. Ram Air Engineering, Inc. has been in business since 1984 in the Los Angeles and Orange County area. In September of 1997 Ram Air Engineering, Inc. opened another branch in the San Diego area.


Southern CA based commercial HVAC contractor company, RAM Air Engineering, will perform standard Annual and Quarterly HVAC services with increased efficiency in mind and purpose. We are proud to state we have on staff seasoned commercial HVAC service technicians with over 25 years experience in HVAC chiller services.

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We work with all commercial HVAC rooftop or box car AC tonnage sizes. Our HVAC preventative maintenance program offers a comprehensive scope of work to make sure equipment is running at its prime efficiency. Quarterly and semi-annual HVAC service programs are available.

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Upgrade Energy Management Systems / Building Automation with our HVAC commercial thermostat controls by our experienced staff of commercial HVAC service techs. Our staff and HVAC service technicians are technology neutral with extensive experience in most EMS systems in the market. We are also licensed Pelican Wireless Systems, Johnson Controls, Winn Controls, Novar Controls.

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About Ram Air Engineering, Inc.

About Ram Air Engineer, Inc.

Since 1984, commercial HVAC contractor company RAM Air offers quality commercial HVAC services by the best commercial HVAC service technicians in southern California. (cool air conditioning AC commercial HVAC contractor)

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Wireless Thermostat HVAC Controls


Commercial HVAC contractor company, RAM Air, represents Pelican Wireless Systems and Johnson Controls offering an economical installation and set up solution as a direct replacement for you building's existing in-room commercial HVAC thermostats. Cost per thermostat and installation costs are extremely low. No special wiring or equipment is required to fully deploy our web enabled and wireless in-room HVAC thermostat solution.

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Commercial HVAC Service Area – Southern CA

RAM Air – Commercial HVAC Southern CA


RAM Air – Los Angeles, Southern CA


RAM Air – Long Beach, Southern CA


RAM Air – Orange County, Southern CA


RAM Air – Irvine, Southern CA


RAM Air – Anaheim, Southern CA


RAM Air – Inland Empire (Ontario, Riverside, San Bernardino, Southern CA)


RAM Air – San Diego, Southern CA