| Business | Phone |
| Alltemp Heating & Air Cond 1953 Federal Ave, Costa Mesa 92627 | (949) 548-5665 |
| B & P Svc 771 Newton Way, Costa Mesa 92627 | (949) 833-1041 |
| Chaparral Air Conditioning Svc 3042 Enterprise St # F, Costa Mesa 92626 | (949) 770-6920 |
| A & A Heating & Cooling 1927 Harbor Blvd, Costa Mesa 92627 | (949) 290-1200 |
| Amp Mechanical 3554 Business Park Dr # E, Costa Mesa 92626 | (714) 241-1769 |
| B M Air Conditioning 2973 Harbor Blvd # 874, Costa Mesa 92626 | (714) 434-9479 |
| Bill Mears For Heating & Ac 1835 Whittier Ave # E5, Costa Mesa 92627 | (949) 650-5916 |
| Clima Tech Refrig Htg & Ac 2529 Santa Ana Ave, Costa Mesa 92627 | (949) 515-7004 |
| Complete Air Inc 2114 Monrovia Ave, Costa Mesa 92627 | (949) 642-4854 |
| Cool Solutions Inc 1958 Placentia Ave, Costa Mesa 92627 | (949) 642-7444 |
| Sunwest Air Conditioning 629 Terminal Way # 27, Costa Mesa 92627 | (949) 650-5061 |
| James Air Conditioning 307 Avocado St, Costa Mesa 92627 | (949) 548-5272 |
| Rkm Heating & Air Costa Mesa 92627 | (949) 645-3640 |