Denver's mile-high altitude and dramatic seasons — summer highs near 95°F and winter lows dipping below 0°F — demand HVAC systems that handle both extremes. This directory lists HVAC contractors serving Denver and the greater metro area, including Lakewood, Aurora, Englewood, Centennial, Wheat Ridge, and Arvada. All license numbers are displayed as-listed; unclaimed profiles are clearly marked.
Neighborhood
AllLoDoCapitol HillCherry CreekHighlandsLakewoodAuroraEnglewoodCentennialWheat RidgeArvada502 South Stuart Street
Full-service HVAC contractor in Denver offering AC repair, heating, furnace, heat pump, thermostat, and zoning services.
Heating and cooling contractor in Denver providing AC repair, furnace, heat pump, installation, and maintenance services.
AC, heating, and furnace contractor in Denver serving the metro and Front Range with boiler service.
2585 S. Raritan Street
HVAC contractor serving Englewood and Denver suburbs with AC, furnace, heating, and mini-split services.
Air conditioning and heating contractor in Denver offering installation, duct cleaning, and indoor air quality services.
1535 E Wesley Ave
AC repair and furnace contractor in Denver specializing in mini-splits, boilers, and heating systems.
AC repair and heating contractor in Denver offering air conditioning installation and repair.
20100 E 32nd Pkwy Suite 110, Aurora, CO 80011, United States, Denver, 80011
Furnace repair, installation, and maintenance contractor serving the Denver metro area.
2700 W Evans Ave
Heating and furnace installation contractor in Denver serving the metro and Front Range area.
7935 W. 14th Ave., Lakewood, CO 80214
Air conditioning and heating contractor in Lakewood serving the Denver metro area.
6422 South Quebec Street
HVAC contractor in Denver offering Air Conditioning, Cooling, Heating and related heating and cooling services.
HVAC contractor in Denver offering AC Repair, Cooling, Heating and related heating and cooling services.
10525 E 40th Ave
HVAC contractor in Denver offering Air Conditioning, Cooling, Heating and related heating and cooling services.
3880 S. Jason St
HVAC contractor in Denver offering AC Repair, Air Conditioning, Heating and related heating and cooling services.
HVAC contractor in Denver offering Cooling, Heating, Furnace and related heating and cooling services.
HVAC contractor in Denver offering Air Conditioning, Heating, Furnace and related heating and cooling services.
6285 West 48th Avenue
HVAC contractor in Denver offering Heating, Furnace and related heating and cooling services.
1100 E 73rd Ave
HVAC contractor in Denver offering Air Conditioning, Cooling, Heating and related heating and cooling services.
HVAC contractor in Denver offering Heat Pump and related heating and cooling services.
HVAC contractor in Denver offering Cooling, Heating, Furnace and related heating and cooling services.
HVAC contractor in Denver offering Air Conditioning, Cooling, Heating and related heating and cooling services.
HVAC contractor in Denver offering Cooling, Heating, Furnace and related heating and cooling services.
1020 W 124th Avenue, #700 Westminster, CO 80234
HVAC contractor in Denver offering Air Conditioning, Heating and related heating and cooling services.
HVAC contractor in Denver offering Air Conditioning, Cooling, Heating and related heating and cooling services.
14883 E Hinsdale Ave, Unit H, Centennial, CO, 80112
HVAC contractor in Denver offering AC Repair, Cooling, Heating and related heating and cooling services.
1880 S Pierce St #5, Lakewood, CO, 80232
HVAC contractor in Denver offering Air Conditioning, Cooling, Heating and related heating and cooling services.
6202 Beach Street Denver, CO 80221
HVAC contractor in Denver offering Cooling, Heating, Installation and related heating and cooling services.
HVAC contractor in Denver offering Air Conditioning, Heating, Furnace and related heating and cooling services.
HVAC contractor in Denver offering Air Conditioning, Cooling, Heating and related heating and cooling services.
HVAC contractor in Denver offering Cooling, Heating, Installation and related heating and cooling services.
HVAC contractor in Denver offering Cooling, Heating, Furnace and related heating and cooling services.
HVAC contractor in Denver offering Air Conditioning, Cooling, Heating and related heating and cooling services.
HVAC contractor in Denver offering Cooling, Heating, Heat Pump and related heating and cooling services.
HVAC contractor in Denver offering Cooling, Heating, Furnace and related heating and cooling services.
HVAC contractor in Denver offering AC Repair, Heating and related heating and cooling services.
HVAC contractor in Denver offering Air Conditioning, Cooling, Heating and related heating and cooling services.
HVAC contractor in Denver offering Cooling, Heating and related heating and cooling services.
1878 S. Wadsworth Blvd. Lakewood, CO 80232
HVAC contractor in Denver offering Heating, Heat Pump and related heating and cooling services.
4321 Broadway Unit 3, Denver, CO, 80216
HVAC contractor in Denver offering Cooling, Heating and related heating and cooling services.
HVAC contractor in Denver.
Denver's climate is one of the most demanding in the country for HVAC systems. The city sees temperatures ranging from below -10°F in winter to near 100°F in summer — often with dramatic swings within a single week. Add in low humidity and mile-high altitude, and HVAC systems here face unique engineering challenges.
Furnaces are critical. Denver winters are serious — January averages a daily low of -2°F. Annual furnace tune-ups each fall are highly recommended. A cracked heat exchanger can leak carbon monoxide, making regular inspections a safety priority.
AC matters too. Denver summers have become hotter and longer. AC is now considered essential rather than optional in most Denver homes, especially as the region sees more 95°F+ days.
Altitude sizing is real. At 5,280 feet, combustion and heat transfer are less efficient than at sea level. Contractors must account for altitude in equipment sizing — this is a key reason to hire locally experienced HVAC professionals rather than national chains that may not adjust for elevation.
Check local licensing. 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.Verify Denver licenses at Denver eDevelopment.
Guides to help you hire right and pay the right price.
How to Hire an HVAC Contractor
7-step checklist — licenses, permits, estimates, warranties
Colorado HVAC License Requirements
State cert + Denver local registration explained
HVAC Cost Guide 2026
Service calls, repairs, and full system replacement pricing
Heat Pump vs. Central AC for Denver
Dual-fuel hybrid: why it's the right call for Denver winters
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