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!"
+26
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
"Bobby came out and installed a complete Trane system and even relocated the furnace and A/C compressor to a more sensible location. The installation crew was polite, professional and efficient. The new heating and air system works flawlessly. Best service I have ever gotten from a HVAC company ever!"
Serving Gainesville, GA and surrounding areas
Approved
In business since 2009
Free estimates
Emergency services offered
"The Best Air Quality and Restoration has been a pleasure to work with! I've used them for mold remediation on 4 properties and the service and results have been top notch! They are extremely professional, responsive and produce great results. Highly recommended!"
+50
Serving Gainesville, GA and surrounding areas
Approved
Super Service Award Winner
In business since 2011
Free estimates
Customers say: Quick response
"This is Top Notch Company! You can waste your money and go with someone cheaper, but as the saying goes, you get what you pay for. I will be recommending them to anyone who needs duct cleaning!!"
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