| Business | Phone |
| Aaero Heating & Sheet Metal 860 Sweetser Ave, Novato 94945 | (415) 897-4187 |
| Furnace Man Heating & Air Cond 19 Hamilton Dr # N, Novato 94949 | (415) 883-7070 |
| Northbay Heating & Air 830 Sweetser Ave, Novato 94945 | (415) 897-9446 |
| Patriot Mechanical Novato 94945 | (415) 897-9977 |
| Severson Heating & Cooling Novato 94945 | (415) 892-9121 |
| Trahan & Sons Inc Novato 94945 | (415) 897-9977 |