Top Rated Heating & Air Conditioning Contractors Serving Gwinnett County, GA
Last Updated May 15, 2026
972 Review Ratings and 3 Heating & Air Conditioning Companies Evaluated.
These companies have passed our Preliminary 5-step rating process.
Emperor Cooling & Heating
Emperor Cooling & Heating provides a wide range of heating and air conditioning services for residential and commercial clients throughout Gwinnett County. The company has the in-house capabilities to work on everything from heat pump repairs and ventilation systems to HVAC maintenance and duct sealing, and its technicians prioritize customer satisfaction in every aspect of their work.
Services
Heating & Air conditioning Contractors including furnace repair, air conditioning, water heater repair, HVAC replacement, mini splits and commercial HVAC.
Coverage Areas
The Atlanta Area, including Gwinnett County—key cities including Snellville, Duluth, Lawrenceville, Buford, Lilburn, Dacula, Grayson, Suwanee, Norcross and North Metro.
- 2535 Maple St
- Snellville, GA 30039
RTillery Heating and Air
RTillery Heating and Air offers heating and air conditioning services to homeowners and business owners in the Greater Atlanta area. The company is known for its ability to work on everything from energy efficiency audits and zoning system installations to ventilation systems and HVAC installations, and it has earned a positive reputation by consistently delivering high-quality service on every project.
Services
Heating & Air conditioning Contractors including mini splits, heating, furnace repair, ductless heating and cooling systems, water heater repair and indoor air quality.
Coverage Areas
The Atlanta Area, including Gwinnett County—key cities including Grayson, Duluth, North Metro, Buford, Lilburn, Dacula, Snellville, Lawrenceville, Suwanee, Cobb, Newton and Norcross.
- 1427 Mill Arbor Trce
- Lawrenceville, GA 30044
Weldon Heating and Air Conditioning
Weldon Heating and Air Conditioning offers heating and air conditioning services to residential and commercial clients in Gwinnett County. The company works on everything from heat pump repairs and ductwork installations to furnace repairs and indoor air quality testing, and its employees focus on delivering first-rate workmanship on each job.
Services
Heating & Air conditioning Contractors including heat pump repair, mini splits, water heater repair, air conditioning, ductless heating and cooling systems and indoor air quality.
Coverage Areas
The Atlanta Area, including Gwinnett County—key cities including Lawrenceville, Snellville, Lilburn, Duluth, Buford, Grayson, Dacula, Norcross, North Metro and Suwanee.
- 1756 Wilwat Dr NW Ste D
- Norcross, GA 30093
These companies have earned our Pre-Qualified Rating. Learn more about our 5-step process.
Rating Step 1 = Stars
Meet or exceed a
ONE AllRatings star score of 4.5.
Indicates the final super-composite calculation of all reviews scores from all sources, optimized for accuracy and recency.
Read ONE AllRatings methodologyRating Step 2 = License
Verified active and in good standing (when required).
State license bureau data is accessed and analyzed.
Rating Step 3 = Background
Satisfactory status.
Internet searches were performed seeking disqualifying information on each company.
Rating Step 4 = Complaints
Satisfactory status.
Complaint bureau records have been searched seeking disqualifying information on each company.
Search Better Business BureauRating Step 5 = Specialist
Satisfactory status.
Our research specialist verifies all ratings steps have been passed and creates a final report and profile.
Meet our research specialist team
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