HVAC Services for the Denver Metro and Surrounding Colorado Area

Littleton’s Top AC Company

Go With a Trusted Cooling Contractor

Family Outside in Littleton CoAre you in the market for a new air conditioner? Need to fix or replace an old unit? Require seasonal tune-up services to get your AC system prepared for spring? Summit Heating & AC is here to help! We offer all of these services and strive to be the best AC company in Littleton. All of our professional technicians are NATE-certified and receive regular training to stay updated on the latest technology and equipment. Try us out and find out why our loyal customers love using Summit Heating & AC for all of their air conditioning contractor needs.

Here are just a few of the reasons they keep coming back:
  • Highly-qualified, NATE-certified professionals
  • 24-hour emergency repair service
  • Officially licensed Lennox® dealer
  • Flexible financing options available with qualifying credit
  • Full-service air conditioning contractor
  • Serving Littleton, CO residents since 1998

AC Repair From Littleton’s Reliable AC Company

HVAC Technician and toolsGot a leaky AC unit? Poor or warm air flow? Strange sounds? These are all signs you may need air conditioner repairs. Summit Heating & AC can help! We offer an extensive list of AC repair options for all types of air conditioners in the Littleton area. Give us a call, and we’ll get you back to coolness and comfort in no time!

Outstanding AC Replacement & New Installation in Littleton

When you’re ready to upgrade to a new AC system, trust the experts at Summit Heating & AC to handle the project. Our AC units are the most dependable in the industry.

After utilizing our full-service installation and replacement services, you’ll receive:
  • Improved indoor air quality
  • Better air flow and steadier temperatures
  • A quieter system
  • An industry leading warranty for your new air conditioner
  • Better energy efficiency and cheaper utility bills

Lennox System Guarantee

Reliable Cooling System Maintenance in Littleton, CO

In addition to our other offerings, Summit Heating & AC is also excellent at providing regular maintenance to prepare your AC unit for spring. When you choose to have regular tune-ups on your air conditioner, you are extending the life of the system, improving energy efficiency and lowering monthly energy bills, and optimizing the air quality in your home. It’s a smart idea all around!

Summit Heating & AC is proud to be the #1 AC company among homeowners in Littleton, CO. We’re here for all of your heating and cooling needs!

Contact Summit Today!

What Customers Are Saying

five stars

"I’ve known Bill and Dean for 20 plus years and have always found them to have the clients best interest at heart. They are reliable, honest and do what they say they will do. You can’t go wrong using this company."

- Ron Dierenfield (Facebook)

What Customers Are Saying

five stars

"Reliable. Honest. Friendly. Affordable. Josh Leech and his team are simply the best! Josh is also a veteran and one of the nicest guys you'll meet."

- David B. (Yelp)

What Customers Are Saying

five stars

"Summit Heating is a very responsive company and they get back to you very quickly, which is not common these days. They fixed all our issues and both Chris and Charlie were very eager to help and professional. I'd recommend these guys to anyone. Especially if you have an emergency, they are on it."

- Adam Pollack (Google)