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Years in Business

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Denver’s Trusted Heating and Air Conditioning Company

Denver's Trusted Heating and Air Conditioning Company

The Heating & Cooling Service You Can Rely On

Summit Heating & AC is the premier HVAC company in the Denver, CO area. Since 1998, we have been proudly serving the local community with our outstanding heating and air conditioning services. When your furnace or air conditioner is on the fritz, when you’re looking for new installation of heating or cooling equipment, or when you need seasonal maintenance, we’ll be there!

Our NATE-certified technicians are at the top of their field and continually receive training and education to improve their knowledge and skill-base. At Summit Heating & AC, heating and air conditioning is our business, and your comfort is our goal.

Evidence of our commitment to heating and cooling excellence:

  • Over 20 years of experience serving the Denver, CO area
  • Reasonable pricing on all service options
  • Free estimates on new installation
  • Flexible financing options with approved credit
  • Our 100% Right or 100% Free guarantee
  • Hundreds of outstanding 5-star reviews from our customers
  • NATE-certified heating and cooling specialists

Full-Service Heating and Air Conditioning Services by Professionals

From small equipment repairs to furnace or air conditioner replacement and installation, we can handle any heating and cooling job you put in front of us.

Our full list of heating and cooling services includes:

Lennox System Guarantee

In addition to providing our customers with all of these services and more, we also understand that being a great heating and cooling company is not just about skill and expertise.

While we excel at both, we also aim to provide the best-possible customer service. As we speak with you about your installation project, book your HVAC repair appointment, or create a maintenance schedule for your home, our staff is always kind, courteous, and respectful.

No other AC company in the Denver area treats their customers like we do at Summit Heating & AC. That’s why we’ve received so many 5-star positive reviews from the people we work with.

Quality Heating and Air Conditioning Service Trusted in Denver

Summit Heating & AC aims to provide each and every customer in the Denver area that we serve with the best care possible. When you choose us as your go-to heating and cooling contractor, you’re making the right choice all around!

Summit Heating & A/C Services

The right services and products for your home

Summit Customer Appreciation

As a thank you for choosing Summit Heating & A/C, we have tons of promotions and special offers available!
Browse Promotions

The Importance of Preventative Maintenance

What Our Customers Are Saying

Josh and Bill worked over the weekend to change out my furnace and A/C. The work was second to none! They started at 8 am and was done by noon! I can’t recommend this company enough! Richard Smith

August 7, 2016, Facebook

These guys are outstanding. After needing to come out a second time (due to a frozen compressor – my fault) they made me feel like I was their only customer. They worked around my schedule and did great work at a reasonable price. Diane and Josh are superstars, thanks guys. Jason M.

June 9, 2017, Yelp

They were awesome! They came out and diagnosed our AC problem and repaired it all at very reasonable prices. We will definitely use them again. We highly recommend them for your heating and AC needs. Grace C.

June 5, 2017, Yelp

 Summit Heating & Air Conditioning’s Commitment to Excellence

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