| Business | Phone |
| Advantage 1 Duct Cleaning 3254 Noreen Dr, Columbus 43221 | (614) 570-2237 |
| Air System Hygiene 1399 Birchwood Dr, Columbus 43228 | (614) 571-4536 |
| All Star Heating & Air Cond Columbus 43202 | (614) 565-9111 |
| Son Of A Buckeye Home Imprvmt Columbus 43228 | (614) 306-7268 |
| Central Ohio Duct Cleaning 803 Binns Blvd, Columbus 43204 | (614) 274-6453 |
| Collom Columbus 76 E Northwood Ave, Columbus 43201 | (614) 298-1700 |
| Duct Doctor Columbus 43215 | (614) 221-3860 |
| Fresh Air Corp 4555 Groves Rd # 16, Columbus 43232 | (614) 322-3828 |
| Just Ducts Inc 4591 Hayden Run Rd, Columbus 43221 | (614) 851-5906 |
| Katherine Crosby Rn Air Columbus 43204 | (614) 272-1592 |