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Denver Heating & Cooling Service Experts

Don't Let "Small" Problems Turn
Into Big Ones. The One Hour Guys Can Help.

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Special Offers Backed by Our
100% Satisfaction Guarantee

$99 Tune-Up Keep Your System Running Efficiently with Annual Maintenance. One Hour Heating & Air Conditioning® of Denver Coupon must be presented at time of purchase. Cannot be combined with any other offers or discounts. Management reserves the right to modify offers at any given time. Some restrictions may apply. Expires Dec 31, 2021
$50 Off Repairs Take $50 off HVAC repairs One Hour Heating & Air Conditioning® of Denver Service fee may apply. Valid at participating locations. Limit one coupon per household. Coupon must be presented at time of purchase. Cannot be combined with any other offers or discounts. Some restrictions, taxes and fees may apply Expires Dec 31, 2021

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No Matter What You Need, Our Pros Are Ready to Help!

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Denver HVAC Company

Trusted AC & Heating Repair Services in Denver, CO

One Hour Heating & Air Conditioning® of Denver isn’t just a heating and AC repair company. We provide the best HVAC services combined with unrivaled customer service, and we’ve been doing so for years in the Denver metro area. Every member of our team is highly-trained and licensed, and we keep our vehicles well equipped so that many repairs and installation jobs can be accomplished in just one visit! So, whether you have a late-night heater failure or a mid-summer AC breakdown our HVAC repair team is ready to respond. Our heating and air conditioning professionals serve residents throughout the greater Denver area, including Westminster, Lakewood, Thornton, Arvada, Wheat Ridge, Boulder, Aurora, Littleton and beyond. Call (303) 622-3401 today to see how we can help you!

Why People Trust Us Over & Over for Denver HVAC Services

Once a customer uses One Hour Heating & Air Conditioning® of Denver for the first time, they continue calling us for all their future HVAC needs for a reason. We treat every customer like our neighbor because they are. While we are part of a large national air conditioning and heating brand, our Denver business is 100% independently owned and operated. When one of our HVAC repair technician comes to your home, they’ll treat it with the respect of a neighbor.

However, we don’t just make promises—we back them with guarantees. First, there’s our StraightForward Pricing® guide which will help you know exactly how much our work will cost down to the cent. Then, there’s our 100% satisfaction guarantee for our AC and heating repair services in the Denver area. We back our work for up to two years after its completion. If anything goes wrong with one of our installations or repairs, we’ll make it right at no extra cost. Finally, we don’t believe in making you wait for us to show up. We know how aggravating it is to wait for a company to show up. So, we’ll make an appointment with you and keep it. We’re always on time, or you don’t pay a dime!

With this level of HVAC service, you’ll be happy that you turned to One Hour Heating & Air Conditioning® of Denver to keep you and your family comfortable. Whether you live in Westminster, Littleton, Boulder, Aurora, Lakewood, Arvada, or beyond, you can rely on our AC and heater service professionals!

Always On Time... Or You Don't
Pay A Dime

‘Round the Clock Availability
No matter the hour, you can trust One Hour to be there
to help you when you get hit with the unexpected.
100% Satisfaction Guarantee
We guarantee our materials, labor, and craftsmanship
for up to two years from the date of your service.
We Love What We Do
Our trained Comfort Specialists are friendly,
knowledgeable, and genuinely love helping people.

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We Have A Reputation For Being Punctual, Friendly, and Knowledgeable

“HVAC Service and Inspection - Roof Replacement Issue. I want to give a shout out to One Hour Heating and Air Conditioning for having immediate availability and responding to our critical issue. We had ...”
- Kevin Weller
“A big shout out to Rob from One Hour for fixing my hot water problems. He was very professional and his expertise is much appreciated. I highly recommend One Hour.”
“I want to acknowledge Jasmine Stiggers for being so professional, available and consciousness when servicing my furnace. She will be the technician I request for all future Heating and Air ...”
- Gina Simpson