A.O. Reed & Co. is a commercial HVAC and plumbing contractor based in San Diego, CA. Established in 1914, the company offers HVAC installation, tune-up services, and maintenance plans, with expertise in sophisticated cost analysis and the latest HVAC technologies. They serve a variety of commercial projects including hospitals, laboratories, universities, and office buildings. A.O. Reed is also experienced in process piping for pharmaceutical and biotech industries, providing specialized system engineering and installations. Their sheet metal, plumbing, and pipe fabrication capabilities support efficient project schedules through prefabrication. The company operates across Southern California with fabrication shops and offices in multiple locations.

Sears Heating and Air Conditioning provides comprehensive HVAC repair and installation services in San Diego, CA. Their certified technicians handle a wide range of systems including central air conditioners, furnaces, heat pumps, boilers, and mini-split units. They offer expert diagnostics, component replacement, and routine maintenance to ensure efficient operation and comfort. Sears has over 100 years of experience in home services and uses genuine manufacturer parts for repairs and installations. They also provide same-day and next-day service appointments for heating and air conditioning needs.

San Diego Mechanical Energy is an HVAC company based in San Diego, CA, offering installation, repair, and maintenance services for heating and cooling systems. They specialize in a wide range of mechanical needs including boilers, heat pumps, chillers, cooling towers, and air handlers. The company provides central plant installation and retrofit services, as well as preventative maintenance, welding, and piping. San Diego Mechanical Energy serves San Diego and surrounding counties with 24/7 emergency response and dispatch.