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.

50+
Years Of Experience Service 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, light-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

How Pollen and Allergens Affect Your HVAC System (and What to Do About It)
Spring is in the air — and so is the pollen! While blooming flowers and warmer weather are welcome signs of the season, the spike in allergens can wreak havoc not only on your sinuses but also on your HVAC system. If you’ve been sneezing a little more lately or your indoor air feels less…

5 Signs Your HVAC System Needs a Professional Inspection
Spring has sprung and that means you’re likely making the switch from heating to air conditioning in the coming weeks. Before you kick off the warm weather season, which will likely last through much of the year, there are several signs that you may need an HVAC tune up or inspection first. 1. Strange Sounds. If you…

How to Safely Clean Your HVAC Vents
Winter in North Carolina is almost over, that means sunny, warm spring days are in the near future. If you’re getting a head start on your spring cleaning, it’s a great time to clean your air vents, too. In addition to changing your filters, regularly cleaning your HVAC vents is essential for maintaining good indoor…
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