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
"Evaluated HVAC and made recommendations to improve air flow"
+29
Serving Gainesville, GA and surrounding areas
Approved
Super Service Award Winner
In business since 1966
Free estimates
Emergency services offered
"Did a great job on annual HVAC maintenance. Waylon Coley is an excellent HVAC tech."
Serving Gainesville, GA and surrounding areas
Approved
In business since 1949
Free estimates
Emergency services offered
"Austin was the best. Professional. Knowledgeable and timely. This is my go-to HVAC company"
+31
Serving Gainesville, GA and surrounding areas
Approved
In business since 2012
Free estimates
Emergency services offered
"As good as it gets. Friendly, professional, knowledgeable, easy to work with, and well-priced. They are my go-to option for any/all future HVAC needs. Can't recommend them highly enough."
+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
"We had an HVAC emergency on an hot day and All Seasons was out within hours of my call. Thanks!"
Serving Gainesville, GA and surrounding areas
Approved
In business since 2009
Free estimates
Emergency services offered
"Great! He provided additional information, suggesting I install a UV Light Air Purifier to my HVAC system. Which would help eliminate the possibility of mold growing in my vents."
+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."
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