| Business | Phone |
| Best Furnace Co 4930 Mahoning Ave Nw, Warren 44483 | (330) 847-8480 |
| Clayton Heating & Air Cond Warren 44483 | (330) 392-8035 |
| Faith Heating & Cooling 773 State Rd Nw, Warren 44483 | (330) 847-0220 |
| Falfas Heating & Cooling 619 Heatherwood Dr Se, Warren 44484 | (330) 856-3634 |
| Thompson Heating & Cooling 219 N River Rd Nw, Warren 44483 | (330) 392-8838 |
| Wilcox Heating & Air 66240 Bailey Rd, Warren 44484 | (740) 425-9866 |