The Littleton HVAC Company You Can Trust

At Summit Heating & A/C, we have offered top-notch heating and cooling services since 1998. We proudly install Lennox quality heating systems, and we service all makes and models of furnaces, heat pumps, and more. As a leading heating company in Littleton, we always offer a 100 percent satisfaction guarantee!

Are 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 & A/C 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 & A/C 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 HVAC contractor
  • Serving Littleton, CO residents since 1998