| Business | Phone |
| Zamco Heating & Air Cond Inc 7919 S Loomis Rd, Waterford 53185 | (262) 895-2958 |
| Competitive Heating & Air Cond 510 N 6th St B, Waterford 53185 | (262) 534-7930 |
| Usa Heating & Cooling 29307 Riverview Ln, Waterford 53185 | (262) 662-2626 |
| Schoof Heating & Air Cond 31515 Bridge Dr, Waterford 53185 | (262) 662-4330 |