Serving Alamance County For Over 50 Years
Heating & Air Conditioning Experts
HVAC Repair, Service, Maintenance & New Installations
or Call (336) 227-4458
Our Services
Heating & Air Conditioning Services
We offer full service commercial and residential heating and air conditioning repair, maintenance, service work and new installations.
Serving Our Community for More than Fifty Years.
Serving Our Community for More than Fifty Years.
24/7
Emergency Service Available!
Our Experience
When Experience Matters, Call Thornton’s Heating & Air Conditioning
For over 50 years, Thornton’s Heating & Air Conditioning has been serving Graham, Elon, Mebane, Gibsonville, Burlington, Greensboro, Chapel Hill, Guilford County and surrounding areas of the Triad with full-service heating and air installation, maintenance, repair, sheet metal, commercial work, and direct sales of professional HVAC equipment.
Why Thornton’s Heating & Air Conditioning?
Why People are Choosing us for Their Heating & Air Conditioning
Free Estimates
We Are Happy To Offer Free Estimates On New Heating And Air Conditioning Units.
Locally Owned & Operated
Since 1973 Our Company Has Been Family Owned & Locally Operated.
100% Guarantee
We’re Proud To Offer a 100% Satisfaction
Guarantee On Our Service.
Services We Offer
Repairs
We repair all makes and models. Same day service available!
New Units
We offer warranties on all new units and free estimates!
Maintenance Agreements
Semi-Annual Maintenance Agreements keep your unit running smoothly.
Air Quality
Find out more about our air quality solutions.
Financing
We have multiple types of financing available.
Our Technicians
Our technicians have over 50 years experience.
Testimonials
Why People are Choosing us for Their Heating & Air Conditioning
“All technicians from start to finish were very pleasant and knowledgeable. We had a new unit for heat and air installed and they did a great job. We highly recommend Thornton’s Heating and Air. We have been using them for over 10 years and always very satisfied with them. Thank you!”
Vickey T.
August, 2026
“If you’re looking for an honest, dependable HVAC company that truly puts its customers first, I highly recommend Thornton’s Heating & Air.
Their exceptional customer service, responsivness and focus on getting my AC back on was a pleasant experience. Thornton’s is top notch!”
Tonya B.
July, 2026
“Thornton’s Heating and Air was professional, easy to work with, and consistently went above and beyond. They had maintained my 20-year-old unit for the past couple of years, and when it was finally time to replace it, they made the process of purchasing and installing a new unit incredibly smooth.”
Jennifer B.
November, 2025
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Don’t Panic: What Your Air Conditioner Can (and Can’t) Do in Extreme Heat
If you live in North Carolina, you recently endured an extreme heat wave, reaching 100-degree temperatures for the first time in 14 years and the summer is far from over. You may have noticed during those sweltering days that your interior temperature just wasn’t quite cooling to your thermostat setting. You may have even given…
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Thermostats 101: What You Need to Know
It’s hot in North Carolina and by now your air conditioning is likely running on full blast. What you may not realize is that your thermostat has a lot to do with how hot and cool your home is, your energy bill, and how efficiently your unit runs. Thermostat Placement. When you move into your…
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What To Do When Your HVAC Is Not Working
On a 90-degree day in the middle of the summer in North Carolina the last thing you want to happen is your air conditioning to stop working. However, there are ways that you should and should not manage when and if this happens to you. What You Should Do When Your A/C Goes Out. When…
FAQ
Contact Us Today!
Our experienced technicians are happy to answer any of your heating and air conditioning questions or provide you a free, no obligation estimate on a new unit for your home or business.