
Major Heating and Air Conditioning
Major Heating and Air Conditioning is a family-run heating, cooling, and plumbing company with its main office at 6285 West 48th Avenue in Wheat Ridge, Colorado, serving the greater Denver metro area. The company was founded in 1970 by Jack E. Major Sr. and his son Jack Major Jr., who first focused the business on servicing single pipe steam boilers before expanding into the broader Denver HVAC market. Jack Major Jr. still serves as the acting President in partnership with his wife Mariann and their two sons Bob and Jack C. Residential work covers furnace installation and repair, heat pump installation, boiler repair, air conditioning repair and installation, swamp coolers, indoor air quality, home automation systems, and customized maintenance plans. Commercial work covers indoor air quality, boiler repair and maintenance, building controls, building automation systems, commercial refrigeration, forensic evaluations, and design and build solutions. The company also provides residential and commercial geothermal systems, loop field design, and consulting, along with plumbing services that range from leaky faucets and clogged drains to water heater repairs and whole-home plumbing solutions. Technicians are EPA, LEED, and NATE certified, and Major is a fully licensed and insured Denver plumbing and HVAC company operating under license number 01147103-0001. The company is a member of the Better Business Bureau with an A+ rating since 1983, and it offers free estimates on new equipment, 24-hour emergency service, and flexible financing options. Its work is organized around the Major Service System, an exclusive 360 degree service model in which a Home Comfort Technician learns how you use your home, checks for hot and cold spots, discusses indoor air quality concerns, and then presents customized options to fit your needs and your budget.








