| Business | Phone |
| A-1 Temperatures 2625 Hawk Cir, Corona 92882 | (951) 340-4623 |
| Air Conditioning Etc Corona 92879 | (951) 737-5609 |
| Craig Plumbing Heating & Air Corona 92879 | (951) 734-2238 |
| Manzano Heating & Air Cond 386 Cabrillo Cir, Corona 92879 | (951) 272-8512 |