Consumers Co-Op in Sauk City, WI serves customers in Sauk Colombia and Dane Counties. We specialize in Propane Heating Services. Air Conditioning, Heaters, Ventilation, Propane Bottles, Heating, Ventilation & Air Conditioning, Heating. Our Hours of Operation are: Mon-Fri: 730am-5:Pm and Sat 8:00am to noon We accept the following forms of payment: Discover Card, VISA, All Major Cards, American Express, MasterCard. We have been proudly serving the Sauk City, WI area since 1934.