Wisconsin’s Preferred Heating and Cooling Contractor Since 1947

HVAC Installation and Repair for Commercial and Residential HVAC

With over 70 years in the HVAC business, Sure-Fire realizes that more goes into a mechanical system than just heating and air-conditioning equipment, and that the lowest cost solution doesn’t always represent the best value. From an accurate heating and cooling load estimate, to proper equipment selection, all the way through design, fabrication, and installation of a custom duct system, your purchase will live up to your expectations for personal comfort, operating efficiency, and long-term reliability.

Sure-Fire technicians are some of the most knowledgeable in the business. We keep their knowledge of HVAC installation and maintenance up-to-date by investing in ongoing training every month. Courteous and timely service for HVAC installation and emergency HVAC repair service have earned us the trust of homeowners and business owners across northwest Wisconsin. Call us for a free, no-obligation quote on any of these HVAC services.

  • Furnace Replacement
  • Central AC Installation
  • HVAC Repair Service
  • Duct Cleaning Services
  • Commercial HVAC Installation
  • HVAC Maintenance Plans