HVAC Services for the Denver Metro and Surrounding Colorado Area

#1 Air Conditioning Repair in Castle Rock


We’re The Leaders in Cooling Services

Family in Castle Rock COAre you looking for the best AC repair company in Castle Rock, CO? Look no further than Summit Heating & AC. For over two solid decades, we’ve been the premier cooling service in the area!

Our services are the best around because we:

  • Serve the Castle Rock area with the best guarantee around
  • Are the top Lennox® dealer in the area
  • Always offer reasonable prices
  • Have the best customer reviews in town
  • Offer unbeatable deals and special promotions
  • Work diligently to exceed your expectations

From minor repair problems to extreme issues that may even require AC replacement, we’ll do it all and we’ll do it better than any other air conditioning repair company in the Castle Rock area.

Trusted AC Repair by NATE-Certified Technicians

AC RepairSummit Heating & AC is the most trusted AC repair service because of our dedication to excellence.

We are so confident that we can fix your air conditioner quickly and efficiently that we even offer our signature 100% Right or 100% free guarantee. This means that if we don’t get your problem fixed perfectly right, we’ll give you a 100% refund.

Our outstanding AC repair services come with:

  • A full array of repair services
  • A highly-qualified NATE-certified staff
  • Service for all types of AC units
  • Flexible financing solutions (when you have approved credit)
  • 24-hour emergency service
  • Satisfaction guaranteed!

Air Conditioning Repair You Can Rely On

Satisfaction GuaranteeAn air conditioner breakdown always happens when you least expect it — on the weekend, in the early hours of the morning, or even on a holiday. At Summit Heating & AC, we fully understand this, and we want to help you get your air conditioner fixed as soon as possible, no matter the day of the week or the time of the day.

That’s why we provide round-the-clock service to all of our customers. When you’re looking for the best heating and air conditioning repair in the area, always turn to Summit Heating & AC!

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)