From Installation to Repair, Find the Top HVAC Pros in Fond du Lac, WI

Sure-Fire Inc. is a reputable HVAC contractor serving the residential and commercial markets in Wisconsin. With over 75 years of experience, the company specializes in the installation, repair, and maintenance of heating and cooling systems. From furnace replacement to central AC installation, and HVAC emergency repair service, Sure-Fire's team of knowledgeable technicians provides courteous and timely service to ensure the comfort and reliability of customers' homes and businesses. The company's commitment to quality and customer satisfaction has earned it the trust of homeowners and business owners across the region.

Fondy Heating is a family-owned and operated HVAC contractor serving Fond Du Lac and surrounding communities since 1999. We offer a wide range of heating and cooling products and services, including new installations, repairs, maintenance, and upgrades, as well as indoor air quality solutions and sheet metal fabrication.