| Business | Phone |
| Dynamic Air Technology Inc 855 Meridian St, Duarte 91010 | (626) 359-0530 |
| Westland Heating & Air Cond 1075 Hamilton Rd, Duarte 91010 | (626) 301-4141 |
| Fabre Air Conditioning Co 581 Elkhorn Dr, Duarte 91010 | (626) 303-4486 |
| Vorhis Heating & Air Cond 1407 Random Ln, Duarte 91010 | (626) 357-4269 |