Top 19 HVAC Companies in Alpharetta
Looking for HVAC in Alpharetta? This guide lists 19 HVAC companies that serve Alpharetta, GA. Each profile shows where the company works, what it fixes, and what sets it apart.
Compare your options below. Then request a free quote from a local HVAC company in Alpharetta.
4 Seasons Heating & Air
4 Seasons Heating & Air has served Alpharetta and North Atlanta for over 50 years. Its team handles AC repair, furnace service, installation, duct cleaning, and indoor air quality. The company offers emergency service and NATE-certified technicians. It also won a Reader’s Choice award for best HVAC service in Forsyth County.
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Reliable Heating & Air
Reliable Heating & Air has served Alpharetta since 1978 and keeps an office on Mansell Road. It repairs and replaces AC units, furnaces, and heat pumps. It also does plumbing and electrical work. The company offers same-day service, 24/7 support, and a one-year guarantee on repairs.
Neese HVAC
Neese Heating, AC & Plumbing is based on Shiloh Road East in Alpharetta. Dewey Neese founded the company in 1992. Its NATE-certified team repairs and installs AC and heating systems. The company offers 24/7 emergency repair, plumbing, and home energy audits.
Moncrief Heating & Air
Moncrief says it has served Atlanta and North Georgia for over 125 years. It keeps an Alpharetta office on Windward Ridge Parkway. The company installs and repairs heating, AC, and air quality systems.
It also offers plumbing and sells Trane equipment as an authorized dealer.
Kennon Heating & Air
Kennon Heating, Air & Plumbing is based in Cumming and lists an Alpharetta business address. Its NATE-certified team repairs and installs furnaces, AC, heat pumps, and ductless systems.
It also handles plumbing. Kennon installs Lennox, Trane, and Rheem systems and offers a Priority+ membership with 24-hour priority service.
Gagne Heating & Air Conditioning
Gagne works from Nine McFarland Drive in Alpharetta. It serves homes, businesses, multi-family housing, and new construction. Services include AC and heating repair, heat pumps, ductless systems, and air quality products.
Members of its Comfort Club get yearly maintenance and priority service.
Gee HVAC
Gee Heating & Air is a third-generation, family-owned company with over 30 years in business. It handles repairs and new installations and offers a 100% satisfaction guarantee. Its website focuses on Gainesville, so confirm Alpharetta service when you call.
Air Control Heating & Air
Air Control Heating and Air is based in Roswell and has served North Atlanta since 1993. It covers Alpharetta, Johns Creek, Cumming, Sandy Springs, and nearby areas. The team repairs and installs AC and heating for homes and businesses.
It also offers air quality services, water heaters, and 24/7 emergency support.
Cool Max Heating & Air Conditioning
Cool Max Heating and Air serves Alpharetta and many nearby cities from its base near Braselton. It repairs all brands and installs Carrier systems. Services also include air duct sealing, attic insulation, water heaters, and commercial HVAC.
HVAC Bee
HVAC Bee Alpharetta is a family-owned company on Union Hill Road. It serves Fulton and Forsyth counties, including Alpharetta, Milton, and Johns Creek. The team repairs and replaces AC units and furnaces. It offers free replacement consultations and online booking.
Climate Solutions HVAC
Climate Solutions has an Alpharetta office on Lakeview Parkway and a second office in Gainesville. It repairs, replaces, and maintains AC units, gas furnaces, and heat pumps. The company promises upfront pricing. It also tests its work before leaving your home.
Climate Heroes Air Conditioning
Climate Heroes is based in Suwanee and serves Alpharetta and Greater Atlanta. It handles AC and heating repair, installation, and tune-ups, plus air quality products. The company reports 50+ years of combined experience. It offers 24/7 emergency service and a 100% guarantee.
One Hour Heating & Air
One Hour Heating & Air of North Atlanta works from Union Hill Road in Alpharetta. It offers same-day service, next-day installation, and 24/7 emergency help. Its promises include upfront pricing and a free visit if the technician arrives late.
A&K Service HVAC
A&K Service HVAC is a family-owned HVAC company in Alpharetta, open since 1992. It repairs and replaces AC units and furnaces, cleans ducts, and installs air quality products. A&K is a Rheem Pro Partner and a certified iWave installer.
The company holds a 4.6 rating from 109+ Google reviews.
Milton Mechanical Services
Milton Mechanical Services serves homes and businesses in Alpharetta from Branch Drive. Its certified technicians handle heating, cooling, and maintenance. The company has won several Best of North Atlanta awards.
The company also won my Alpharetta’s 2024 Best HVAC Company award.
Varsity Zone HVAC
Varsity Zone HVAC of Alpharetta is a family-owned business on Union Hill Road. It offers AC and furnace repair, heat pumps, ductless systems, smart thermostats, and air quality upgrades.
The company provides same-day and emergency service. It also sells a Season Ticket Maintenance Plan.
Fox Pros HVAC
Fox Pros HVAC is a family-owned company in Cumming that serves Cumming, Alpharetta, and Roswell. It reports more than 25 years of HVAC experience. The team repairs, maintains, and installs Carrier systems for homes and businesses. It offers 24/7 service.
Cool Air Mechanical
Cool Air Mechanical works from Marietta and Peachtree Corners and serves the Atlanta metro area. It repairs all HVAC brands and also offers plumbing, electrical, and generator service.
The company reports an A+ BBB rating and no after-hours fees on HVAC. Confirm Alpharetta coverage when you call.
Coolray
Coolray serves metro Atlanta with HVAC, plumbing, electrical, water treatment, and insulation. It offers same-day and 24/7 service, fixed pricing, and a lifetime parts and labor warranty. Its website covers Atlanta, so confirm Alpharetta service when you call.
How to Choose an HVAC Company in Alpharetta
Use these tips to compare any HVAC company in Alpharetta:
- Ask for a Georgia license number. Many companies post theirs on their websites.
- Get upfront pricing. Ask what the diagnostic fee covers before work starts.
- Check emergency hours. Georgia summers get hot, so know who answers after hours.
- Look for maintenance plans. Regular tune-ups help prevent breakdowns.
Alpharetta HVAC FAQs
It’s highly recommended to have your Alpharetta HVAC system professionally serviced twice a year. Genrally, you should get the system checked once in the spring for your air conditioning and once in the fall for your heating system. This preventative maintenance helps ensure efficiency and reliability.
Some common issues to look out for include strange noises, weak airflow, the system blowing air that isn’t the correct temperature, frequent cycling on and off, unexpected increases in energy bills, or unpleasant odors. If you notice any of these, contact an HVAC Alpharetta professional.
With regular maintenance, most Alpharetta HVAC systems (air conditioners and furnaces) can last 10-15 years, and sometimes even longer than that. However, heat pumps may have a slightly shorter lifespan. Alpharetta’s different usage demands, especially for AC, can influence longevity.
Some excellent energy-efficient choices for HVAC Alpharetta installations are high-SEER (Seasonal Energy Efficiency Ratio) air conditioners, variable-speed air handlers, heat pumps (especially dual-fuel systems for our milder winters), and programmable or smart thermostats.
Alpharetta’s hot, humid summers place significant demand on air conditioning systems, making efficiency and proper sizing crucial. Winter in Alpharetta is generally mild, but still requires reliable heating. Also, humidity control is a key consideration for HVAC Alpharetta systems to ensure indoor comfort.
Prices vary by company and problem. Many companies charge a diagnostic fee, and some apply it to the repair. Ask for a clear price before work begins.
Several companies on our list report 24/7 or emergency service. They include 4 Seasons Heating & Air, Reliable Heating & Air, Neese HVAC, Air Control, One Hour Heating & Air, Climate Heroes, Fox Pros HVAC, and Coolray.
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