| Company | Telephone | City | State | Zip |
| Above All Heat & Air | 760-559-0986 | Hesperia | CA | 92345 |
| Actron Air & Electric | 951-245-4237 | Lake Elsinore | CA | 92530 |
| Airwest | 714-978-7877 | Anaheim | CA | 92805 |
| Alicia Air | 949-480-0327 | Lake Forest | CA | 92630 |
| Aliso Heating & Air, Inc. | 949-589-2021 | Rancho Santa Margarita | CA | 92688 |
| Alliance Mechanical | 714-921-0803 | Orange | CA | 92865 |
| Allison AC & Heating | 951-736-1101 | Corona | CA | 92879 |
| Bartel Heating & Air, Inc. | 951-712-8427 | Grand Terrace | CA | 92313 |
| Bel-Air Cooling | 714-534-8474 | Garden Grove | CA | 92843 |
| Canyon Air Service | 909-592-8114 | Glendora | CA | 91740 |
| Central Air Conditioning, Inc. | 559-688-6675 | Tulare | CA | 93274 |
| Coast Aire | 949-589-6592 | Rancho Santa Margarita | CA | 92688 |
| Comfort Mechanical Systems | 909-946-7180 | Rancho Cucamonga | CA | 91730 |
| Cool Air Solutions | 951-676-2665 | Temecula | CA | 92592 |
| Cool Air Technologies | 714-731-9292 | Tustin | CA | 92705 |
| Davidson's AC | 909-885-3703 | San Bernardino | CA | 92408 |
| Dean Howard Heat & Air Inc. | 760-559-8100 | Hesperia | CA | 92345 |
| Dependable Graham Air Conditioning, Inc. | 714-546-1653 | Costa Messa | CA | 92626 |
| DGL Air Conditioning | 949-795-5128 | Orange | CA | 92867 |
| Dial One Sonshine | 714-826-5119 | Stanton | CA | 90680 |
| E.G. HVAC & Refrigeration | 909-917-5979 | Montclair | CA | 91763 |
| Hassinger HVAC | 949-289-0336 | San Juan Capistrano | CA | 92675 |
| Ideal Comfort, Inc. | 909-989-6554 | Rancho Cucamonga | CA | 91730 |
| IM AC & Heating | 818-635-7573 | Tarzana | CA | 91356 |
| Indoor Comfort Solutions | 805-582-0225 | Simi Valley | CA | 93065 |
| Irvine Valley Air Cond. Inc. | 714-575-5244 | Anaheim | CA | 92806 |
| Kemnitz AC & Heating, Inc. | 949-453-8500 | Irvine | CA | 92618 |
| Kisinger A/C | 909-595-0636 | Walnut | CA | 91789 |
| Liberty Heating & AC | 714-792-1134 | Placentia | CA | 92870 |
| Long Beach Heating & AC | 562-422-9554 | Signal Hill | CA | 90755 |
| Lytle's Heating & Air Conditioning Co. | 951-205-1287 | Rancho Cucamonga | CA | 91730 |
| McCahill HVAC, Inc. | 805-482-2492 | Camarillo | CA | 93102 |
| NES Mechanical | 626-914-5696 | Glendora | CA | 91741 |
| Ocean AC & Heating, Inc. | 949-582-0700 | Laguna Niguel | CA | 92677 |
| O K Air Conditioning & Sheet Metal | 661-399-9996 | Bakersfield | CA | 93308 |
| Oasis Air Conditioning, Inc. | 661-323-2473 | Bakersfield | CA | 93305 |
| Orange County Air Conditioning, Inc. | 714-526-6549 | Costa Messa | CA | 92626 |
| Preferred Air Service Co. | 949-350-2692 | Irvine | CA | 92618 |
| Polar Sahara | 888-369-8522 | La Verne | CA | 91750 |
| RDL Mechanical | 909-754-1700 | Calimesa | CA | 92320 |
| Schlaman's Service, Inc. | 951-784-0810 | Riverside | CA | 92501 |
| Sears | 909-648-2078 | Montclair | CA | 91763 |
| Sears | 916-792-9376 | Lancaster | CA | 93534 |
| Sears | 909-964-4947 | Palm Desert | CA | 92260 |
| Sears | 702-808-5127 | El Cajon | CA | 92120 |
| Seaside Heating & Air Conditioning | 949-280-5165 | Dana Point | CA | 92629 |
| Sentry Mechanical | 714-577-0771 | Placentia | CA | 92870 |
| Service All | 310-782-2270 | Torrance | CA | 90501 |
| Sirius Mechanical | 951-640-5097 | Moreno Valley | CA | 92557 |
| South County Air | 909-300-4502 | Laguna Beach | CA | 92651 |
| South West Energy Systems | 909-708-7814 | San Bernardino | CA | 92423 |
| Southern California Comfort Systems, Inc. | 714-421-1815 | Huntington Beach | CA | 92647 |
| Steve's AC | 909-985-5254 | Upland | CA | 91786 |
| The Cool Guy's, Inc. | 310-530-8911 | Harbor City | CA | 90710 |
| White Mechanical | 949-716-8379 | Mission Viejo | CA | 92691 |
| W.R. Smith | 562-408-6400 | Paramount | CA | 90723 |
