Major Heating and Air Conditioning has been serving the Denver metro area from its Wheat Ridge base since 1970, making it one of the longest-operating HVAC companies in the region. With more than 40 years in the business — and a 4.9-star rating across 350 reviews — the company has built its reputation on a combination of technical expertise, honest assessments, and a consistency that comes from institutional knowledge. They operate 24 hours a day, seven days a week, and handle both residential and commercial clients through a service approach they call the Major Service System.

What sets Major apart from standard HVAC contractors is their commercial HVAC specialization. They describe themselves as the only Commercial HVAC Specialists in the area using the Major Service System, which customizes solutions to a specific facility rather than applying a one-size approach. On the residential side, they are an authorized Carrier dealer, and currently offer up to $2,600 in Cool Cash rebates on qualifying new system installations — a practical entry point for homeowners facing system replacement decisions.

The company's customer reviews consistently highlight individual technicians by name. Technician Dan appeared in multiple reviews for his same-day weekend service and follow-up visits. Technician Lalo received praise for explaining system issues clearly while working efficiently around young children. Travis, a project manager, was called out for walking customers through the full scope of work before any installation began — an approach that customers contrast favorably with contractors who bid without explanation. Technician Treavor, who came through a Groupon maintenance deal, spent extensive time explaining the system's condition and teaching basic maintenance skills — an experience the reviewer said they'd never had with other companies.

The business offers financing options for system replacements and also promotes 2025 Xcel Energy residential rebates, including significant incentives for cold-climate heat pumps, ground source systems, and heat pump water heaters. This familiarity with Colorado's utility rebate landscape is a practical value-add for homeowners considering energy-efficient upgrades.

Major's longevity in the market is reflected in the character of its reviews: customers describe multi-generational relationships, referrals from family members, and consistent technician quality across years. For homeowners and businesses in the Wheat Ridge and Denver area seeking an established HVAC partner with deep roots and documented results, Major Heating and Air Conditioning has a 50-year track record to back up its claims.