Lee Air Conditioning
“I highly recommend Lee AC for all your heating and AC needs.”
Best HVAC Contractors in Durham, NC
23 companies listed · all 23 in Durham · 6 open 24/7 · 11 open weekends · 20 rated 4.5+
Data verified October 21, 2026
Bryant-Durham Services
“They know what they're doing and they show up on time ready to work.”
All Weather Heating & Cooling
“He went the extra mile when I asked him to check out a room that stays cold in the winter.”
Streamline Services Plumbing
“I will refer Streamline to anyone I know that has any type of plumbing or HVAC issues and I will certainly be contacting them again should the need arise.”
Hay's Heating and Air Conditioning Inc
“Needless to say this was an example of true honesty and not recommending the replacement of a perfectly working system though old but still working fine.”
Brown Brothers Plumbing & Heating
“The 2 guys made sure everything was done correctly and took their time.”
The 23 companies listed for Durham, NC work on furnaces, heat pumps and air conditioners. Each profile repeats what the company publishes about its hours, its license and the equipment it fits, alongside ratings and quotes drawn from public reviews.
Area overview: Durham, NC
All 23 companies we list here are in Durham itself. We have 26 companies in Durham on file; this page shows the highest-rated 23. The companies on this page are rated from 4.2 to 5.0 across 11,443 reviews; 12 have 50 or more reviews and 20 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (87%), responsiveness (81%) and punctuality (78%). The topics that come up most in reviews of the companies on this page are "price", "efficient" and "estimates". 6 are open around the clock; 11 are open on Saturdays and 9 on Sundays. The services the companies on this page list most often on their websites are heating (3), air conditioning (2), boilers (2), ductless hvac (2) and electrical (2). 7 show a license on their websites; 2 list staff certifications (NATE) and 11 have a BBB rating of A or A+. 18 have ten or more years of experience, the longest 89 years. 8 offer emergency call-outs; 8 offer financing or payment plans; 5 give free estimates; 8 are family- or locally-owned and 8 list coupons or special offers. We count these figures across the companies on this page; hours and prices change, so confirm the details with the company before you book.
Which companies listed for Durham answer no-heat calls at night?
Round the clock availability appears in 6 of the 23 listings on this page. An overnight visit is usually a diagnosis and a temporary fix, since supply counters are shut until morning. Ask what the after hours call out is before the truck leaves.
Alternative Aire Inc
“We had to replace our HVAC system and we had a great rep come out and give us our options and told us exactly what to expect from the work.”
Happy Home Services
“Matt came today to perform maintenance on both of my HVAC systems.”
Bull City Plumbing
“One toilet started leaking again later the same day, and they came out the next morning and repaired it at no extra cost.”
JD Service Now
“David was very knowledgeable, professional, had great customer service skills, and just a down to earth, trustworthy guy.”
Accu-Air Heating & Air Conditioning
“Their price was competitive, but the reason I chose them was, even though they are now a larger company, they apparently haven't lost that " small town " personal service.”
CWJ Heating & Air Conditioning
“I have a maintenance service plan and CWJ technicians are always on time, text me they are on the way, and they are personable, pleasant, and professional.”
Durham Mechanical Services
“They went above and beyond for me and I will always be so grateful!”
Ko-Z Heating & Cooling
“When it comes time to replace the other unit in our home, we will definitely be calling Zach!!”
Scoggins and Co.
“They do good work, make every effort to get things right the first time, and are fair in what they charge.”
T&C Appliance/Hvac Repair
“Scheduled me the day after I called, and the repair took only 20 minutes.”
Green Horizon One Hour Heating & Air Conditioning
“He was professional, took the time to explain the issue and the service options necessary to repair our issue.”
L.D. Swain & Son
“I heard they can be trusted and I found that to be very true in my experience with theme .”
Comfort Mechanical Contractors
“Comfort Engineers has maintained our home's HVAC system for twelve years, including an upgrade to a more efficient and quieter system two years ago.”
R & C Services
“Glyn is as honest & helpful a technician as you will find!”
Hunter's Heating Plumbing & Air
Oscar's Hvac Service
“He replaced the broken part of our AC unit and even fixed other issues that the other companies overlooked.”
Copeland Heating & Air Conditioning Services
“Copeland offers professional service at a very reasonable price.”
Why these companies made our list
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