| Business | Phone |
| Air Tech 23011 Moulton Pkwy # B6, Laguna Hills 92653 | (949) 454-6911 |
| Air Condtioning Of California Laguna Hills 92653 | (949) 636-2549 |
| Airduct Mechanical Co Air Cond Po Box 3249, Laguna Hills 92654 | (949) 495-1238 |
| Blackwell's Air Cond & Htg Inc 23011 Moulton Pkwy # B, Laguna Hills 92653 | (949) 770-0371 |
| Budget Heating & Cooling 24731 Clarington Dr, Laguna Hills 92653 | (949) 458-2576 |
| D & H Climate Control Laguna Hills 92653 | (949) 766-8925 |
| Green Air Engineering 26541 Merienda # 7, Laguna Hills 92656 | (714) 836-9000 |
| Kevin Kalka Heating & Air Cond Laguna Hills 92653 | (949) 458-6600 |
| Sigrist Home Heating & Ac 25032 Woolwich St, Laguna Hills 92653 | (949) 837-4663 |
| Smet Heating & Air Cond 25341 Orellano Way, Laguna Hills 92653 | (949) 212-2259 |
| Affordable Plumbing-Heating 23322 Peralta Dr # 16, Laguna Hills 92653 | (949) 458-3900 |
| Avis Plumbing & Heating & Air Laguna Hills 92653 | (949) 859-2041 |
| Dial One Sonshine Plumbing Laguna Hills 92653 | (949) 770-3341 |