The trusted name your family can depend on.
Call Today (678) 897-9478
Duncan Heating and Air is a family-owned and operated business that takes pride in every job, no matter the size. We proudly serve Dawsonville, GA, Cumming, GA, Gainesville, GA, Dahlonega, GA, and Alpharetta, GA. Whether you need your current heating and cooling unit serviced or repaired, or you’re looking for a new HVAC system, we are the trusted name you can count on.
Our goal is 100% customer satisfaction. At Duncan, we service all brands and can install any major brand, with a specialization in Trane and Daikin. Our mission is simple: by treating everyone with honesty and respect—just as we would want to be treated—we aim to build strong, long-term relationships with our clients.
Thank you, and may God bless!
Our Services
A/C Installation
Duct Installation and Repair
Furnace Repairs
Duct Cleaning
Preventative Maintenance
Air Conditioning Repair
“We had an issue with our A/C and I chose this company based on the reviews. The reviews are all accurate and I cannot say enough good things, they came when promised and very quickly, found the issue and had us back up and running in short order. We love the area and the people here and this family owned business is a prime example of why.
Fast response, personable and knowledgeable service at a fair price. Cannot ask for more and we will certainly us Duncan Heating and AIr Services for any future needs.
-Mark ”