| Business | Phone |
| A & A Air Cond Htg & Sheet Mtl 763 S Auburn St, Grass Valley 95945 | (530) 273-1301 |
| All Phase Heating & Air Cond 731 S Auburn St, Grass Valley 95945 | (530) 274-9955 |
| Brewer Refrigeration Htg & Air 937 Golden Gate Ter, Grass Valley 95945 | (530) 272-6351 |
| Dave Root-Heating & Air Cond 10141 Evening Star Dr # 5, Grass Valley 95945 | (530) 273-6078 |
| Rock Creek Heating & Air 13344 Grass Valley Ave # D, Grass Valley 95945 | (530) 273-1616 |
| Accurate Air Condi01oning Grass Valley 95945 | (530) 273-5333 |
| Affordable Heating & Air Inc 12819 Loma Rica Dr, Grass Valley 95945 | (530) 274-2031 |
| Air Quality Concepts 12063 Rough And Ready Hwy, Grass Valley 95945 | (530) 477-2829 |
| Cost U Less Heating & Air Grass Valley 95945 | (530) 277-4825 |
| Ferguson Refrigeration Heat Grass Valley 95945 | (530) 274-8016 |
| Heating Cooling Svc 10940 Gold Hill Dr, Grass Valley 95945 | (530) 274-3111 |
| Northern Air 14262 Pine Hill Ct, Grass Valley 95949 | (530) 477-2837 |
| Possible Heating & Ac 13127 Mcanally Pl, Grass Valley 95949 | (530) 272-9213 |
| T N Parks Grass Valley 95945 | (530) 274-1039 |
| Wakefield Heating & Air Cond Grass Valley 95945 | (530) 477-7100 |
| Wallace Enterprises Grass Valley 95949 | (530) 268-3421 |