| Business | Phone |
| Age Heating 14 Colton Ave, St Catharines L2N 5B1 | (905) 327-4232 |
| Heritage Heating 118 Lake St, St Catharines L2R 5Y1 | (905) 641-1844 |
| Local Heating & Air Cond 76 Ridley Rd, St Catharines L2S 3Y8 | (905) 687-1880 |
| Mel Berry Heating & Air Cond 45 Admiral Rd, St Catharines L2P 1G7 | (905) 682-6657 |
| Reynolds Heating Plumbing-Air 11 Woodbine Ave, St Catharines L2N 3N1 | (905) 935-2138 |
| Service Experts 177 Scott St, St Catharines L2N 1H4 | (905) 356-7210 |
| Commercial Air Svc 76 Ridley Rd, St Catharines L2S 3Y8 | (905) 988-9922 |