4.5 
333 *The Angi rating for Heating And Air Conditioning Service companies in Gainesville, GA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Heating And Air Conditioning Service needs.
*The HomeAdvisor rating for Heating And Air Conditioning Service companies in Gainesville, GA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Heating And Air Conditioning Service needs.
Last update on June 13, 2026
Serving Gainesville, GA and surrounding areas
Approved
In business since 1991
Free estimates
Emergency services offered
"Fast, professional, fair pricing and honest. I highly recommend Triad for all of your HVAC needs."
+17
Serving Gainesville, GA and surrounding areas
Approved
In business since 2013
Free estimates
Emergency services offered
"TJ was knowledgable, friendly, and thorough! Always a pleasure seeing him twice a year for HVAC system servicing through Cheeky!"
+29
Serving Gainesville, GA and surrounding areas
Approved
Super Service Award Winner
In business since 1966
Free estimates
Emergency services offered
"The usual great service from Coolray for our HVAC systems."
Serving Gainesville, GA and surrounding areas
Approved
In business since 1949
Free estimates
Emergency services offered
"Estes is trustworthy and provides quality work. I use Estes for my HVAC, plumbing, and electrical."
+31
Serving Gainesville, GA and surrounding areas
Approved
In business since 2012
Free estimates
Emergency services offered
"Rather than just replace an ailing system, they worked with me to make sure my home could be as comfortable as possible. They clearly have a lot of expertise in HVAC and venting systems. So glad I hired them!"
+7
Serving Gainesville, GA and surrounding areas
Approved (Corporate)
In business since 1898
Free estimates
Emergency services offered
"My husband and I have used Moncrief for nearly 30 years -- ever since we bought this house. The prior owner used Moncrief and recommended them. Over the years we have had this company perform all service/maintenance work on our HVAC system. They are not cheap, but they do good work and are very trustworthy.
"
Serving Gainesville, GA and surrounding areas
Approved
In business since 2020
Credit card accepted
Offers commercial services
"This company was amazing Corey was very helpful and knowledgeable I definitely recommend rapid hvac"
Serving Gainesville, GA and surrounding areas
Approved
Super Service Award Winner
In business since 1978
Free estimates
Credit card accepted
"100% satisfied. Brant was professional but friendly. He was able to diagnose the problem quickly and fixed it. I highly recommend All Seasons and will certainly use them for all my HVAC jobs"
Serving Gainesville, GA and surrounding areas
Approved
In business since 2009
Free estimates
Emergency services offered
"It started off with requesting a quote through Best Air Quality and Restoration. The response time was great. The technician who showed up informed us in advance of his arrival, was very polite, followed Covid-19 safety protocols, was very thorough and did a great job. I also got the dryer vent cleaning which was the complete deal (going to the attic, removing the vent pipe and cleaning the debris). Some other companies claim they do dryer vent cleaning but only vacuum the dryer duct and do not perform the complete dryer vent cleaning which is more involved. I'm very happy with the service and this company and have already recommended them too many of my friends. Keep up the great service Best Air Quality and Restoration!"
+50
Serving Gainesville, GA and surrounding areas
Approved (Corporate)
In business since 1959
Free estimates
Credit card accepted
"Orlando was great! Very personable and professional. He got to work promptly and made the necessary repairs and performed maintenance on our HVAC system. I would definitely recommend him and Allgood to anyone who needs HVAC work done."
From average costs to expert advice, get all the answers you need to get your job done.
Get expert insights on radiant heating repair cost, including average prices, cost factors, and ways to save. Learn what impacts your radiant heating repair bill.
HVAC replacement costs depend on a lot of factors, like unit type, size, and labor. See what you can expect to pay for HVAC replacement here.
If certain rooms in your home run too hot or too cool, a duct booster fan may help with the issue. Learn the costs to expect from duct booster fan installation.
Retrofitting your house for AC is, surprisingly, not too hard. Here’s what you’ll need to consider to make it happen.
What is an air source heat pump, and is it right for you? Air source heat pumps are an effective and efficient home climate control solution. Read on for more information.
Your air conditioning unit is a lifesaver during those blisteringly hot summer months, but common air conditioning mistakes may be increasing your energy bill and decreasing overall efficiency. Read on to learn how to avoid them.
