HVAC Contractors for Furnace Repair in Denver, CO

Denver winters are serious — overnight lows regularly drop into the teens and single digits, and periods of sustained cold are common from November through March. A failed furnace in Denver is an urgent emergency. Most Denver homes use natural gas forced-air furnaces, and local contractors are well-versed in diagnosing heat exchanger cracks, igniter failures, pressure switch faults, and control board issues. Colorado has no statewide HVAC contractor license. Licensing and registration requirements are local or municipal; Denver has its own mechanical contractor licensing. Check the jurisdiction for the project address. Related plumbing and electrical work may require separate state licenses. Repair costs run $150–$450; furnace replacement averages $3,000–$7,000 for high-efficiency units appropriate to Denver's climate. All furnace work requires a mechanical permit from the local jurisdiction. Contractors listed here serve Denver and surrounding communities including Lakewood, Aurora, Englewood, Littleton, Highlands Ranch, and Centennial.