Top Rated Heating & Air Conditioning Contractors Serving Jefferson County, CO
Last Updated May 15, 2026
12739 Review Ratings and 10 Heating & Air Conditioning Companies Evaluated.
These companies have passed our Preliminary 5-step rating process.
Apple Aire Heating & Cooling
Apple Aire Heating & Cooling provides heating and air conditioning services for residential and commercial clients in the Greater Denver area. The company has the training and equipment to work on all types of HVAC installation, maintenance and repair projects, each of which is backed by superior craftsmanship and a company-wide dedication to quality.
Services
Heating and Air Conditioning including ductless heating and cooling systems, furnace repair, heat pump repair, heating, hvac installation, indoor air quality, ductless mini-splits, smart thermostats, home performance, emergency repairs, plumbing, water heaters, halo 5 water filtration, leaks, pipe repair, hydro jetting, toilet repair, ev chargers and electrical panels.
Coverage Areas
The Denver Area, including Jefferson County—key cities including Aurora, Boulder, Bow Mar, Brighton, Broomfield, Castle Pines, Castle Rock, Centennial, Cherry Hills, Commerce City, Dacono, Edgewater, Elizabeth, Englewood, Erie, Federal Heights, Firestone, Fort Collins and Foxfield.
- 4020 Youngfield St
- Wheat Ridge, CO 80033
Lakeside Heating & Air Conditioning
Lakeside Heating & Air Conditioning provides a variety of heating and air conditioning services for residential and commercial throughout the Denver area. The company is qualified to work on everything from water heater repairs and HVAC repairs to mini splits and HVAC installations, and its employees ensure safety and transparent pricing on every job.
Services
Heating and Air Conditioning including ac tune ups, air conditioner repair, air conditioning, commercial air conditioning, ductless heating and cooling systems, indoor air quality, air conditioning repair and heat pump.
Coverage Areas
The Denver Area, including Jefferson County—key cities including Golden, Buffalo Creek, Arvada, Idledale, Indian Hills, Westminster, Broomfield and Wheat Ridge, Kittredge, Morrison, Pine, Conifer and Evergreen.
- 6260 W 52nd Ave Ste 116
- Arvada, CO 80002
Foothills Heating and Cooling
Foothills Heating and Cooling provides a variety of heating and air conditioning services for residential and commercial throughout the Denver area. The company is qualified to work on everything from HVAC replacements and water heater repairs to mini splits and heat pump repairs, and its employees ensure safety and transparent pricing on every job.
Services
Heating and Air Conditioning including hvac replacement, mini splits, water heater, ac tune ups, air conditioner repair, a/c repair, a/c installation, air duct cleaning, electric furnace repair, gas furnace installation, heater repair, air duct installation, electric furnace installation, flame sensor repair, gas furnace repair and thermostat repair.
Coverage Areas
The Denver Area, including Jefferson County—key cities including Bow Mar, Brighton, Broomfield, Castle Pines, Castle Rock, Centennial, Cherry Hills, Commerce City, Dacono, Edgewater, Elizabeth, Erie, Empire, Englewood, Evergreen, Federal Heights and Firestone.
- 9213 W Capri Ave
- Littleton, CO 80123
Comfort Pros
Comfort Pros offers a wide range of heating and air conditioning services to residential and commercial clients throughout Jefferson County. The company has the in-house capabilities to work on everything from furnace repairs and energy-efficient HVAC work to HVAC installations and HVAC upgrades, and it customizes each project to meet the client’s budget requirements.
Services
Heating and Air Conditioning including air conditioner repair, air conditioning, commercial air conditioning, ductless heating and cooling systems, furnace repair, heater installation, a/c installation, boiler services, ductless a/c services, flame sensor repair, electric water heater installation, gas water heater installation, system maintenance, thermostat repair and water heater repair.
Coverage Areas
The Denver Area, including Jefferson County—key cities including Brighton, Broomfield, Castle Pines, Castle Rock, Centennial, Cherry Hills, Commerce City, Dacono, Edgewater, Elizabeth, Englewood, Erie, Federal Heights, Firestone and Fort Collins.
- 9751 W 44th Ave Ste 121
- Wheat Ridge, CO 80033
DMC Services
DMC Services provides a variety of heating and air conditioning services for residential and commercial throughout the Denver area. The company is qualified to work on everything from ductwork and HVAC troubleshooting to cooling system installations and water heater repairs, and its employees ensure safety and transparent pricing on every job.
Services
Heating and Air Conditioning including heat pump repair, heating, hvac installation, hvac replacement, mini splits, ac repair, furnace repair, indoor air quality, ac replacement, furnace replacement, boiler services, electric furnace installation, gas furnace installation, thermostat repair, ductless a/c services, flame sensor repair, h20 heaters and humidifiers.
Coverage Areas
The Denver Area, including Jefferson County—key cities including Boulder, Bow Mar, Brighton, Broomfield, Castle Pines, Castle Rock, Centennial, Cherry Hills, Commerce City, Dacono, Edgewater, Elizabeth, Erie, Empire, Englewood, Evergreen, Federal Heights, Firestone and Fort Collins.
- 8238 W 90th Pl
- Westminster, CO 80021
Simply Mechanical
Simply Mechanical offers heating and air conditioning services to homeowners and business owners in the Greater Denver area. The company is known for its ability to work on everything from furnace repairs and ventilation systems to cooling system installations and ductwork, and it has earned a positive reputation by consistently delivering high-quality service on every project.
Services
Heating and Air Conditioning including heating, hvac installation, hvac replacement, mini splits, water heater, furnace repair, furnace replacement, furnace tune-up, furnace models, heat pumps, cooling, ac repair, ac replacement, ac maintenance, indoor air quality, air filter replacement, wifi thermostats and refrigeration services.
Coverage Areas
The Denver Area, including Jefferson County—key cities including Bowmar, Centennial, Cherry Hills, Columbine, Denver, Englewood, Greenwood Village, Highlands Ranch, Ken Caryl Valley, Lakewood, Littleton, Lone Tree, Morrison, Roxborough Park and Sheridan.
- 5937 W Elmhurst Ave
- Littleton, CO 80128
Efficient Comfort
Efficient Comfort: Heating, Cooling & Mechanical provides residential and commercial clients in Jefferson County with a wide variety of heating and air conditioning services. The company works on everything from ductwork and HVAC replacements to ductless heating and cooling systems, and its technicians are known for their quality workmanship and honesty.
Services
Heating and Air Conditioning including commercial air conditioning, ductless heating and cooling systems, furnace repair, heat pump repair, heating, air conditioning, air ducts, air handlers, boilers, ductless systems, gas furnaces, heat pumps, indoor air quality, radiant floor heating, commercial, cooling, job services, repair, installation and maintenance.
Coverage Areas
The Denver Area, including Jefferson County—key cities including Arvada, Broomfield, Boulder, Edgewater, Erie, Golden, Lafayette, Lakewood, Louisville, Northglenn, Superior, Thornton, Wheat Ridge and Westminster.
- 10835 N Dover St #100
- Westminster, CO 80021
Mac Vik Plumbing & Heating
Mac-vik Plumbing & Heating Co provides a wide range of heating and air conditioning services for residential and commercial clients throughout Jefferson County. The company has the in-house capabilities to handle everything from cooling system installations and air filtration to water heater repairs and indoor air quality, and its technicians prioritize customer satisfaction in every aspect of their work.
Services
Heating and Air Conditioning including air conditioning, commercial air conditioning, ductless heating and cooling systems, heat pump repair, heating, furnace repair, boiler services, boiler install, boiler repair, boiler tune up, boiler replacement, cooling, ac installation, ac repair, ac maintenance, ac tune up, plumbing, drain cleaning, garbage disposal and electrical.
Coverage Areas
The Denver Area, including Jefferson County—key cities including Arvada, Aurora, Blackhawk, Boulder, Broomfield, Centennial, Cherry Hills, Commerce City, Conifer, Dumont, Edgewater, Empire, Englewood, Evergreen, Federal Heights, Firestone and Fort Collins.
- 16190 S Golden Rd
- Golden, CO 80401
Redline Heating, Cooling & Plumbing
Redline Heating and Cooling offers a variety of heating and air conditioning services to residential and commercial clients throughout Jefferson County. The company has the training and equipment to handle everything from HVAC maintenance plans and HVAC replacements to air handlers and water heater repairs, and its employees focus on delivering first-rate workmanship on every project.
Services
Heating and Air Conditioning including hvac installation, hvac replacement, mini splits, water heater, ac tune ups, air conditioning, air ducts, air handlers, ductless systems, gas furnaces, home automation, whole-house humidifiers and dehumidifiers, zone controls, commercial, cooling, heating, hvac new construction and indoor air quality.
Coverage Areas
The Denver Area, including Jefferson County—key cities including Arvada, Boulder, Brighton, Broomfield, Denver, Golden, Lakewood, Northglenn, Thornton and Westminster.
- 5415 W 59th Ave Unit A
- Arvada, CO 80003
Blue Spruce Heating & Cooling
Blue Spruce Heating and Cooling offers HVAC services to residential and commercial clients throughout the Denver region. The company is qualified to handle everything from HVAC repairs to system installations, and it’s known for its ability to address emergency situations.
Services
Annual Maintenance, Air conditioning, Indoor air Quality
Coverage Areas
Littleton Area
- 6436 S Pierce Ct
- Littleton, CO 80123
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