Patterson Heating & Air opened in Lawrenceville in 1985. We have been providing trusted heating and air conditioning service from Atlanta to Athens in the Northeast Georgia areas. Why Choose Patterson? Two reasons: 1. Honesty & 2. Top Quality Service. Our service is only as good as our technicians, and we believe ours are the secret to our success. Choose Patterson and you’ll see why our big-box competitors haven’t been able to shut the doors we opened in 1985!