| Business | Phone |
| A C Plumbing Heating & Air 1651 Hartnell Ave, Redding 96002 | (530) 347-0700 |
| A-R Air Conditioning & Heating Redding 96001 | (530) 246-9777 |
| Absolute Comfort Heating & Ac 1123 Prestige Way, Redding 96003 | (530) 241-7703 |
| Adkins Air Conditioning Co 230 Woodcliff Dr, Redding 96003 | (530) 244-1224 |
| Air Central 1600 E Cypress Ave # 8, Redding 96002 | (530) 222-6892 |
| Air Master 4440 Wyatt Ln, Redding 96002 | (530) 222-1302 |
| Air-O Svc 8759 Airport Rd # 1a, Redding 96002 | (530) 221-4691 |
| Artic Refrigeration 478 Bedrock Ln, Redding 96003 | (530) 229-3680 |
| Bickley Air Cond & Heating Redding 96002 | (530) 222-2545 |
| Bob Moon Heating & Air Cond 842 N Market St, Redding 96003 | (530) 243-0272 |
| Burke's Heating & Air Cond 15886 Stonewood Dr, Redding 96001 | (530) 243-4190 |
| Circle N Heating & Air Cond 935 Wall St # 4, Redding 96002 | (530) 221-6394 |
| Crystal Air Htg & Ac 3508 Railroad Ave, Redding 96001 | (530) 243-7500 |
| Dair Heating & Air Cond 2910 Blue View St, Redding 96002 | (530) 222-1366 |
| Dean's Air Conditioning & Htg Redding 96002 | (530) 510-6707 |
| Dennis' Heating & Air Cond 6819 Eastside Rd, Redding 96001 | (530) 244-3734 |
| Gard & Sons Heating & Plumbing 8950 Airport Rd, Redding 96002 | (530) 221-7494 |
| Muro's Air Control Redding 96001 | (530) 246-8327 |
| Northstate Mechanical Svc Inc 1040 Locust St, Redding 96001 | (530) 244-1700 |
| Owens Casebeer Mechanical Co 5501 Cedars Rd # C, Redding 96001 | (530) 241-1811 |
| Phil Carpenter's Ac & Heating 935 Wall St, Redding 96002 | (530) 223-3285 |
| Redding Comfort 2038 Oshea Way, Redding 96003 | (530) 222-0555 |
| Redding Heating & Air 845 Commerce St, Redding 96002 | (530) 223-1332 |
| Rmc Refrigeration & Air Cond 9271 Fawn Hills Ct, Redding 96002 | (530) 222-6365 |
| Smitty's Heating & Cooling 1863 Keystone Ct, Redding 96003 | (530) 221-2600 |
| Timberline Heating & Air Cond 2950 Innsbruck Dr, Redding 96003 | (530) 221-2222 |
| Urban Mechanical Svc Redding 96002 | (530) 222-3233 |