Your Comfort Is Just A Call Away

Durham Heating & Cooling Experts

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

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Durham HVAC Services

AC & Heating Repair Services in Durham, Raleigh & Surrounding Areas

Since 2007, Green Horizion One Hour Heating & Air Conditioning®’s number one goal has been to make our customers’ home better. Our dedication and commitment to our customers are what make us the leading HVAC service provider in the area. Our team of Durham HVAC professionals provides reliable and high-quality services because we care about your comfort. Our team consists of skilled, experienced, and knowledgeable technicians that can handle all things related to HVAC. They are also background checked and drug tested for your peace of mind. We proudly serve Durham, Raleigh, Chapel Hill and beyond.

Trusted Heating & AC Repair Technicians

Our technicians always ensure to install, repair, design, and service HVAC systems and parts according to strict accordance with the highest industry. Not only do we offer high-quality work, we also provide excellent customer service. Our Durham HVAC repair team follows a strict code of ethics that includes offering great service, treating customers with respect, and offering honest prices. We also respect your time, so we provide you with an on-time guarantee so that you never have to wait for our technicians to arrive: “Always On Time...Or You Don’t Pay a Dime!”® Reach out to us today for an estimate!

Special Offers Backed by Our
100% Satisfaction Guarantee

$200 Off Furnace/Heater Installation Green Horizion One Hour Heating & Air Conditioning® 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, 2019
$25 Off Any Furnace/Heater Repair Green Horizion One Hour Heating & Air Conditioning® 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, 2019

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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.

Learn More About Us

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

“I called about a problem with heater in a home I had just purchased, and it turned out that "One Hour" was the company that had installed it just one year prior. They came out to take care of the ...”
“The installation team was professional and speedy. The appreciation shown to me for being a customer afterward was awesome!”
“My technicians were friendly and on-time. They didn't try for a hard sell — they just gave me helpful advice.”
“Their prompt and courteous services are something a lot of tradesmen have forgotten over the years.”
“No need to wait a week — just call One Hour. When I scheduled, the technicians came the very next morning, on time!”
“I have had them for 10 plus years, and I can't say enough good things about these people.”