| Business | Phone |
| Thomas Heating & Cooling 5980 Bost Cutoff Rd, Concord 28025 | (704) 782-1617 |
| Carolina Comfort Heating & Ac Concord 28025 | (704) 795-4822 |
| Central Systems 491 Concord Pkwy N # B, Concord 28027 | (704) 652-0933 |
| Climate Solutions 555 Pitts School Rd # D, Concord 28027 | (704) 721-6339 |
| Concord Heating & Air Cond Inc 764 Concord Pkwy N, Concord 28027 | (704) 786-6608 |