| Business | Phone |
| Air-Tech Heating Air Cond 706 Roosevelt St Nw, Warren 44483 | (330) 394-3775 |
| Brocious Heating & Cooling 4992 Damon Ave Nw, Warren 44483 | (330) 847-8287 |
| Quality Heating & Air Cond 283 E Market St, Warren 44481 | (330) 399-7480 |
| Warren Furnace Co 361 High St Ne, Warren 44481 | (330) 392-8290 |