| Business | Phone |
| Sworden Heating & Air & Refrig 8610 Maumee Western Rd, Holland 43528 | (419) 861-4494 |
| Simplicity Heating & Cooling Holland 43528 | (419) 866-1530 |
| Robot Inc 1135 Corporate Dr, Holland 43528 | (419) 866-6555 |
| Pugh Heating & Ac Inc 6400 Hamilton Dr E, Holland 43528 | (419) 255-9955 |
| Multi-State Heating & Cooling 1726 Commerce Rd, Holland 43528 | (419) 866-6415 |