Our team of specialists are ready to assist you. No matter how large or small your projects are WHV Inc. can help. We are committed to quality and customer satisfaction. WHV, Inc. specializes in air & water balancing, architectural sheet metal, building commissioning services, building information modeling, custom metal fabrication, HVAC service, engineering & design, roofing, temperature controls, and wholesale duct. WHV is also NSF certified to be able to manufacture, service, and repair food service and medical industry equipment. WHV Inc. is fully certified by the nations premier regulatory body, the National Environmental Balancing Bureau (NEBB) , for air and water systems test and balance. WHV, Inc. has also earned status as a Firestone Master Contractor. Firestone-licensed contractors earn Master Contactor status by accumulating Quality Points for achieving exceptional inspection ratings on Firestone Red Shield warranted roofing system installations.Our mission is to provide quality and value to our customers.We are pleased to serve Wisconsin, Minnesota and Iowa. Contact us at any of our three offices:Winona Corporate Office: (507) 452-2064Des Moines, IA: (515) 270-4811La Crosse, WI: (608) 782-6550