Droegkamp Furnace Co., in Pewaukee, WI, is the leading heating and cooling company serving Waukesha, Sussex, Hartland, Brookfield, Milwaukee and surrounding areas since 1877. In fact, we are one of the oldest HVAC companies in the entire state of Wisconsin! We specialize in commercial and residential services. For more information, contact Droegkamp Furnace Co. in Pewaukee.