About Our Company

Reliance Heating and Air Conditioning is a family owned and operated HVAC company providing quality HVAC repair and installation services to the Metro Atlanta, GA area since 1968. Today we have offices in Cumming and Conyers, GA as well as Chattanooga, TN. Each branch has an experienced manager and a fully qualified staff. When we started, we had only 2 men and two trucks. Today we are one of the largest HVAC contractors in the southeast and have installed over 275,000 mechanical systems, large and small.

Our ongoing, in-house, “on the job” training programs keep our staff up to date on the newest products and materials. All of our departments are staffed with dedicated and experienced personnel. A large percentage of these people have in excess of 20-30 years in this industry, with several employees that have been with us for 10 to 20-plus years. We take pride in our fine workmanship and are always striving to improve. Reliance Heating and Air Conditioning welcomes the opportunity to be your HVAC service provider and a member of our growing family.

HVAC Products of Reputable Brands

We service and install a number of HVAC products including air conditioners, furnaces, heat pumps, dual fuel systems, zone control systems and digital programmable thermostats. We also have a large inventory of top quality products from various reputable HVAC brands. Take a look at the brands we have to offer.

We Carry the Following Brands:

Awards & Honors:


Our Warranties

All HVAC equipment comes with a one year warranty on labor and a 10 year warranty on parts. An extended manufacturer’s warranty is also available along with preventive maintenance and service contracts. Ask us about multiple financing opportunities.

Accreditations & Associations:

Some of the Builders We Work With Include:

Insurance Information

Our company is insured for our customers’ safety. All our employees are also insured with Workman’s Compensation and General Liability Insurance. Your security and peace of mind is our top priority. All employees have background checks and drug screenings.

Select the Right System

Choose the HVAC product that is right for you needs. We carry all major brands and all equipment is under warranty.