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Best HVAC Services and AC Repair in Denver, CO

Updated 10/12/2018

Denver has 300 days of sunshine each year, but residents are also exposed to extreme weather. Hot summer days, a long snow season and large daily temperature fluctuations put a toll on heating and cooling systems. Having a trusted HVAC professional is important to fix an urgent problem, maintain your current system or install something new. These companies known for the best HVAC services in Denver do just that.

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#1 MOST POPULAR
Altitude Comfort Heating & Air
Altitude Comfort Heating & Air
Features
  • Furnace repair services
  • Air conditioner tune-ups
  • Water heater repair
  • Open 7 days a week
Read More
Location:
3570 E. 12th Ave., Ste. 183
Denver, CO 80206
(303) 505-3406
#2
Controlling Systems
Controlling Systems
Features
  • Free estimate online
  • Duct cleaning services
  • Furnace & heating repair
  • Air conditioner repair
Read More
Location:
7000 N. Broadway, Ste. 1-106
Denver, CO 80221
(303) 872-8965
#3
Summit Heating and Air Conditioning
Summit Heating and Air Conditioning
Features
  • Air filter installation
  • Heat pump repairs
  • Emergency AC service
  • Heating tune-ups
Read More
Location:
924 S. Sheridan Blvd.
Denver, CO 80226
(720) 870-1580
Dalco Heating and Air Conditioning Dalco Heating and Air Conditioning Features
  • M-F: 8am - 5pm
  • Closed Sat and Sun
  • dalcohvac.com
Location:
4610 S. Ulster St., Ste.150
Denver, CO 80237
(303) 979-7541
Service Experts Service Experts Features
  • Open 24 hours
  • serviceexpertsdenver.com
Location:
7000 N. Broadway, Bldg. 1
Denver, CO 80221
(303) 647-5853
Pasterkamp Heating & Air Conditioning Pasterkamp Heating & Air Conditioning Features
  • M-F: 7:30am - 4:30pm
  • Closed Sat and Sun
  • pasterkamp.com
Location:
9030 S. Cherokee St.
Denver, CO 80223
(303) 777-1234
Major Heating Major Heating Features
  • M-F: 7am - 5pm
  • 24/7 emergency service
  • majorheating.com
Location:
6285 W. 48th Ave.
Wheat Ridge, CO 80033
(303) 424-1622
Doctor Fix-It Plumbing, Heating & Electric Doctor Fix-It Plumbing, Heating & Electric Features
  • Open 24 hours
  • calldoctorfixit.com
Location:
363 W. Evans Ave.
Denver,, CO 80223
(303) 993-1550
Golden West Plumbing, Heating & Air Conditioning Golden West Plumbing, Heating & Air Conditioning Features
  • Open 24 hours
  • goldenwestph.com
Location:
4217 Delaware St.
Denver, CO 80216
(303) 433-6077
Swan Heating Swan Heating Features
  • M-F: 7am - 6pm
  • Sat: 8am - 6pm
  • Closed Sun
  • swanheating.com
Location:
6810 Broadway, Unit N
Denver, CO 80221
(303) 433-6077
Horizon Services Plumbing, Heating, and Air Horizon Services Plumbing, Heating, and Air Features
  • M-Sun: 7am - 7pm
  • 24/7 emergency service
  • horizonservicesdenver.com
Location:
1451 S. Dahlia St.
Denver, CO 80222
(720) 519-0953
Comfy Cave Heating & Air Comfy Cave Heating & Air Features
  • M-F: 8am - 5pm
  • Closed Sat and Sun
  • comfycave.com
Location:
7625 W. 5th Ave., Ste. 202N
Lakewood, CO 80226
(720) 215-7848

Everyone deserves to make thoughtful, informed purchase decisions. The local guides provided on this website are free for consumers. Denver7 may receive compensation from our partners. Learn more.

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How we chose the best

ConsumerAffairs thoroughly researched consumer reviews and company information.

27 Hours researched
104 Reviews analyzed
21 Companies evaluated
12 Companies selected
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Altitude Comfort Heating & Air
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How to choose HVAC services and AC repair in Denver

Denver Skyline

The cost for HVAC repair depends on the scope of the project and cost of parts—if new parts are necessary. Companies may charge based on the project as a whole or by the half hour or hour. Total cost can range from $200 to over $2,000.

Common services offered by heating, ventilation and air conditioning companies include:

  • Preventative maintenance
  • Furnace repair
  • Furnace replacement
  • Furnace installation
  • Air conditioning repair service
  • Air conditioning installation
  • Water heater repair
  • Water heater installation
  • Boiler repair service
  • Evaporative cooler installation and repair
  • Tune up
  • Duct cleaning

Denver's big temperature fluctuations impact heating and cooling systems. In the summer months, temperatures climb to more than 100 degrees. Snow can fall in Denver from October through April.

A good heating and air conditioning system does more than simply heat or cool your home. A proper HVAC system improves the air quality. Air filters guard against common allergens in Colorado, such as ragweed and Bermuda grass. Some Denver utility companies, such as XCEL Energy, offer incentives for making your home's heating and cooling system more efficient.

When choosing a HVAC professional, the first step is to confirm contractor licensing using the City of Denver online database. Other questions to ask, include:

  • Do you offer a free estimate?
  • Do you charge more for overtime?
  • Are products warrantied?
  • If something in the home is damaged by the employee, is its repair covered?

If you are planning to do any mechanical or HVAC work yourself, you'll have to pass an exam and complete all work in accordance with building codes. Visit Denvergov.org to learn more. There are also fees associated with air conditioning installation.

Altitude Comfort Heating & Air

Altitude Comfort Heating & Air

M-F: 7am - 10pm, Sat: 8am - 8pm, Sun: 8am - 8pm

altitudecomfort.com

Altitude Comfort Heating & Air is a local, family-owned company. Customer service goes above and beyond with a follow-up after service. They offer a 100 percent money-back guarantee, flexible financing options, no overtime charges and emergency service. Customers say they love the speedy, friendly service.

Controlling Systems

Controlling Systems

M-F: 8am - 5pm, Closed Sat and Sun

controllingsystemsco.com

Controlling Systems has been operating in Colorado since 1976. They offer financing to help pay for services, and also extend a discount for military and seniors. Denver customers report high quality and fast work, reasonable prices, excellent support and a knowledgeable staff.

Summit Heating and Air Conditioning

Summit Heating and Air Conditioning

Open 24 hours

summitheatingco.com

Based in Denver since 1998, Summit Heating & Air Conditioning excels at maintenance, new installation and emergency service. Summit earned Partner of the Year from Lennox, a leading provider of HVAC equipment. Denver reviewers compliment their technicians by name and applaud their comprehensive, timely and professional service.

Our partners independently research and analyze the companies mentioned in our guides and work with subject matter experts to add valuable information that helps consumers make smart purchase decisions. Our partners will not include companies on these guides that do not meet specific quality standards. The compensation we receive from our partners may impact how and where companies appear on our site, including the order in which they appear.

Our partners independently research companies, and use editorial discretion to award companies with special recognition (i.e. Best Value) based on their staff’s judgement or subject matter expert’s judgement. Our partners do this to help you identify companies that will meet your specific buying needs, and do not receive compensation for these designations.