| Course | City | Phone | |
| AAA Air Conditioning Best Service | Huntington Beach | 213.457.9564 | Lic #693008 |
| Air Conditioning Of California | Rancho Santa Margarita | 949.885.9690 | Lic |
| Alps A/C & Heating | San Clemente | 800.994.2577 | Lic #667953 |
| Econo Air Heating & Ac | Brea | 323.570.0663 | Lic #445220 |
| El Toro Air Heating & Plumbing | Mission Viejo | 949.525.4202 | Lic |
| Garza's West Coast Heating & Air Conditioning | Irvine | 714.783.0875 | Lic #814471 |
| Lewis Air & Heating & Air Conditioning | Rancho Santa Margarita | 949.589.0609 | Lic #575873 |
| OC Plumbing Heating & Air Conditioning | San Clemente | 949.661.2648 | Lic |
| Tucker Air Conditioning | Tustin | 714.783.0840 | Lic |
| West Coast Aire Inc | Riverside | 951.359.8555 | Lic #599420 |
