| A - Z Building Services | Blake Raymond Spon | — | (530) 990 8831 | HVAC | Bangor · Butte County | — | — |
| Air - Art Heating And Air Conditioning | Charles Augusta Jr Pugh | — | (530) 895 1420 | HVAC | Chico · Butte County | — | — |
| All Around Heating Air And Construction | Juan Antonio Farias | — | (530) 521 4433 | HVAC | Chico · Butte County | — | — |
| All Season Heating & Air Conditioning | Rolland Henry Summers | — | (530) 899 7107 | HVAC | Chico · Butte County | — | — |
| All Seasons Heating & Air Conditioning | Rolland Henry Summers | — | (530) 899 7107 | HVAC | Chico · Butte County | — | — |
| Alternative Heating & Air | Jason Joseph Mayhugh | — | (530) 894 8082 | HVAC | Chico · Butte County | — | — |
| Alvis Heating & Air Conditioning INC | Martin Dayne Alvis | — | (530) 534 8491 | HVAC | Oroville · Butte County | — | — |
| Barnhart Heating & Air | Barnhart Heating & Air | — | (530) 345 6356 | HVAC | Chico · Butte County | — | — |
| Bob's Air Repair | Bob's Air Repair | — | (530) 345 9800 | HVAC | Chico · Butte County | — | — |
| Butte Appliance Repair | Jeremy Bruce Logsdon | — | (530) 868 8253 | HVAC | Biggs · Butte County | — | — |
| Butte Mechanical | Butte Mechanical | — | (530) 329 4829 | HVAC | Paradise · Butte County | — | — |
| Chico Air Heating & Cooling INC | Douglas Linn Smith | info@chicoairheatingcooling.com | (530) 343 2665 | HVAC | Chico · Butte County | — | — |
| Climate Wise | Juan Manuel Carrillo | abc@abc.abc | (530) 693 7007 | HVAC | Oroville · Butte County | — | — |
| Cole's Climate Control | Cole's Climate Control | — | (530) 828 1060 | HVAC | Oroville · Butte County | — | — |
| Comfort Society LLC | Jamin Jesus Bello | — | (971) 719 9117 | HVAC | Oroville · Butte County | — | — |
| Comfort Zone Enterprises INC | Donald Ray Wiley | — | (530) 864 5614 | HVAC | Chico · Butte County | — | — |
| Comfort Zone Heating & Air Conditioning | Donald Ray Wiley | — | (530) 864 5614 | HVAC | Chico · Butte County | — | — |
| Connect Energy Mechanical Corporation | David John Turri | — | (530) 570 7988 | HVAC | Chico · Butte County | — | — |
| Dake Bros Heating & Air LLC | Dake Levi | — | (530) 300 2317 | HVAC | Gridley · Butte County | — | — |
| De Air Company INC | Richard Elden Jr Root | — | (530) 534 8691 | HVAC | Oroville · Butte County | — | — |
| Derrick L Deatherage | Derrick L Deatherage | — | (530) 342 3422 | HVAC | Oroville · Butte County | — | — |
| Doak Heating And Air Conditioning | Doak Heating And Air Conditioning | — | (530) 632 4482 | HVAC | Paradise · Butte County | — | — |
| Earl's Performance Plumbing | Earl's Performance Plumbing | — | (530) 343 0330 | HVAC | Chico · Butte County | — | — |
| Embers Heating And Air | Kenneth Edward Godfrey | — | (530) 599 1122 | HVAC | Oroville · Butte County | — | — |
| Feather River Aire And Solar | Jason Forrest Smith | — | (530) 891 6787 | HVAC | Chico · Butte County | — | — |
| Flores H V A C & Construction | Antonio Salvatore Flores | — | (530) 635 2798 | HVAC | Durham · Butte County | — | — |
| Fox Company | Eric Ray Fox | — | (530) 533 2730 | HVAC | Oroville · Butte County | — | — |
| Freeman Heating And Air Conditioning | Freeman Heating And Air Conditioning | — | (530) 343 8876 | HVAC | Chico · Butte County | — | — |
| Gilmore Construction & Development INC | John Franklin Jr Gilmore | — | (530) 624 7200 | HVAC | Chico · Butte County | — | — |
| Grayarea HVAC LLC | Tyler Eric Gray | tyler@grayareahvac.com | (530) 717 9953 | HVAC | Butte Valley · Butte County | — | — |
| Grimes Heating And Air INC | Scott Anthony Grimes | — | (530) 589 1272 | HVAC | Oroville · Butte County | — | — |
| Hobart | Brian Scott Ewing | sales@norcalfoodequipment.com | (530) 342 9092 | HVAC | Chico · Butte County | — | — |
| Holt Heating And Air LLC | Steven Arthur Holt | — | (530) 521 8195 | HVAC | Chico · Butte County | — | — |
| Homestead Heating & Air Construction & Solar Construction | Brett William Hightower | — | (530) 893 3562 | HVAC | Durham · Butte County | — | — |
| Hvacr Mechanical Services INC | Jose Antonio Martinez | — | (530) 933 9705 | HVAC | Palermo · Butte County | — | — |
| Innovative Heating And Air LLC | Jessica Curry Nail | — | (530) 990 0956 | HVAC | Oroville · Butte County | — | — |
| James Earl O'bannon | James Earl O'bannon | — | (530) 895 1300 | HVAC | Chico · Butte County | — | — |
| Jessee Heating & Air Conditioning | Bryan Scott Gray | — | (530) 891 4926 | HVAC | Chico · Butte County | — | — |
| John Mitchell Heating & Cooling INC | John Peter Mitchell | — | (530) 762 8424 | HVAC | Paradise · Butte County | — | — |
| Kb Heating & Air INC | Kelly Ray Baugh | — | (530) 534 9419 | HVAC | Oroville · Butte County | — | — |