Since 1984, RAM Air Engineering, Inc. has been offering commercial HVAC services in the Los Angeles and Orange County areas, with its San Diego branch opening in 1997. During their 31 years in the southern California commercial HVAC business, RAM Air, has built a reputation on unbeatable service, excellent communication, and a total commitment to customer satisfaction. Ram Air offers quality commercial HVAC systems services such as: - 24/7 Commercial HVAC Emergency Services - Commercial HVAC Installation, Maintenance, Replacement, or Repair of pneumatic, electric, and DDC thermostat controls including Johnson Controls large systems and Pelican Wireless Controls for package AC rooftop or boxcar systems. - Commercial HVAC Refrigeration for the Food and Beverage service industry. - Annual, Semi-Annual and Quarterly Maintenance of air handlers, fans, pumps, and cooling towers. - Retrofitting existing commercial HVAC systems with modern, energy efficient air conditioning equipment and heating systems.