| Business | Phone |
| Absolute Building Control Svc 55 W Beaver Creek Rd, Richmond Hill L4B 1K5 | (905) 763-1636 |
| Adroit Heating & Air Cond 9688 Leslie St, Richmond Hill L4B 4C4 | (905) 508-2688 |
| Affordable Air System Inc 413 Fernleigh Cir S, Richmond Hill L4C 1E7 | (905) 737-4332 |
| Hvac Consultants Svc 239 Weldrick Rd W, Richmond Hill L4C 5J2 | (905) 883-3493 |
| Northern Heating & Air Cond 27 Gaby Crt, Richmond Hill L4C 8W9 | (905) 884-4297 |
| Northland Heating & Air Cond 95 East Beaver Creek Rd, Richmond Hill L4B 1L4 | (905) 882-7990 |
| Watson Group Ltd 95 West Beaver Creek Rd #10, Richmond Hill L4B 1H2 | (905) 889-9119 |
| Fletcher 2000 Ac & Heating 249 Elka Dr, Richmond Hill L4C 3A2 | (416) 410-6928 |