| Business | Phone |
| Air & Water Systems 9722 Tenencia Ct, Charlotte 28277 | (704) 541-6730 |
| Air Care Experts 416 Gene Ave, Charlotte 28205 | (704) 341-0342 |
| Air Duct Cleaning Specialists Charlotte 28226 | (704) 364-0149 |
| Dale Punch Duct & Furnace Clng Charlotte 28208 | (704) 341-3932 |