| Business | Phone |
| Baumann & Degroot Heating 2053 Laurie Ln, Holland 49424 | (616) 399-0650 |
| Bert Reimink Plumbing & Htg Co 310 Lincoln Ave, Holland 49423 | (616) 392-9647 |
| Dalman Heating Cooling Inc 4681 N 168th Ave, Holland 49424 | (616) 399-9274 |
| Home Heating & Air Cond Inc 791 Washington Ave, Holland 49423 | (616) 392-8461 |
| Lakeshore Heating & Cooling 624 Old Orchard Rd, Holland 49423 | (616) 335-2917 |
| Northern Heating & Cooling 4215 M 40, Holland 49423 | (616) 392-2789 |