Serving Alamance County For Over 50 Years
Heating & Air Conditioning Experts
HVAC Repair, Service, Maintenance & New Installations
or Call (336) 227-4458
Our Services
Most Popular 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.



50+
Years Of Experience Serving Alamance County & Beyond
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
Experience Matters
Our Technicians Have Over 50 Years Experience In The Heating & Air Conditioning Industry.
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
Services We Offer

Repairs
We repair all makes and models.

New Units
We offer warranties on all new units.

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
“When our entire system stopped working, we contacted Thornton’s & received incredible service & price, much quicker than anticipated. Installers arrived on time, conducted themselves professionally, & remained on site until I was completely satisfied.”
Darrell G.
January, 2025
“I’ve been using these guys for the last 4 years. I have them come out every other year. They are great and I will recommend them to neighbors. I am very happy with this company. They are always on time and polite. The office is very professional. Thank you!”
Benedict P.
May, 2024
“They were prompt getting me a quote for a new unit and the unit was installed 2 days after I received the quote. The office ladies were so kind and professional as well as the installers. I would highly recommend Thornton’s to anyone in need of repairing or replacing their HVAC unit!”
J. Phillips
January, 2025
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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…
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The Importance of HVAC Maintenance in the Spring
Warm weather is here in North Carolina and it’s important to make sure your air conditioning unit is ready for the heat. By this time of the year, you’ve probably already flipped the thermostat to A/C but after a long winter it’s important to ensure that your unit is running efficiently. Scheduling spring maintenance for…
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.
Contact us
Need HVAC Services?
Call Us Today!
336-227-4458
