| Business | Phone |
| A & B Mechanical Inc 927 Moravia St, New Castle 16101 | (724) 658-3735 |
| Allstar Heating & Cooling 613 Mount Jackson Rd, New Castle 16102 | (724) 667-1409 |
| Wes's Heating & Cooling 973 Mount Jackson Rd, New Castle 16102 | (724) 667-9377 |
| Castle Heating & Air Cond 524 Savannah Rd, New Castle 16101 | (724) 652-9324 |
| Castle Heating & Air Cond Inc 4025 Station Rd, New Castle 16101 | (724) 652-2324 |
| Bob Ferchaw Huron Ave, New Castle 16101 | (724) 657-8830 |
| George Manos Heating & Cooling 1129 Matilda Ave, New Castle 16101 | (724) 658-3017 |
| R Esposito Heating & Cooling 2400 Old Butler Rd, New Castle 16101 | (724) 652-8200 |
| Hoppee's Heating & Cooling 419 Mount Air Rd, New Castle 16102 | (724) 667-7870 |
| Love Heating & Cooling Inc 1417 Sampson St, New Castle 16101 | (724) 654-6697 |
| Work Heating & Cooling New Castle 16101 | (724) 658-0330 |