| Business | Phone |
| 4 Seasons Heat & Air Hickory 28601 | (828) 322-9979 |
| Benfield Mechanical Svc 509 Main Ave Sw, Hickory 28602 | (828) 322-7900 |
| Bowman Heating & A/C Co Inc 7941 Old Nc Highway 10, Hickory 28602 | (828) 397-2102 |
| Central Heating & Air Cond 431 15th St Sw, Hickory 28602 | (828) 327-4300 |
| Comfort First Heating & Air 1560 Leona Rd, Hickory 28602 | (828) 294-2326 |
| Dean's Heating & Air Cond 4945 Whitener Rd, Hickory 28602 | (828) 322-4328 |
| E W Beach Heating Air Cond Hickory 28601 | (828) 324-2229 |
| Vandenburg Heating & Cooling 3772 Sandy Ford Rd, Hickory 28602 | (828) 294-3329 |
| Foothills Heating & Air 216 10th Ave Nw, Hickory 28601 | (828) 312-3775 |
| Gemaire Distributors 1279 26th St Se, Hickory 28602 | (828) 322-2365 |
| Stormy Weather Heating & A/C 1263 Hidden Creek Cir, Hickory 28602 | (828) 294-1188 |
| Hickory Mechanical Inc 320 15th St Se # E, Hickory 28602 | (828) 328-1151 |
| Hickory Sheet Metal Co 706 Highland Ave Se, Hickory 28602 | (828) 322-3720 |
| Select Air Heating & Cooling Po Box 2546, Hickory 28603 | (828) 327-7552 |
| Shell Heating & Air Cond 1050 Old Lenoir Rd # A, Hickory 28601 | (828) 328-3570 |
| Poovey Heating Cooling Refrig Hickory 28601 | (828) 495-3889 |
| Mc Kinney's Heating & Air 7229 George Hildebran Rd, Hickory 28602 | (828) 313-1078 |