Bagniefski Heating and Air Conditioning is a certified Trane Comfort Specialist. Bagniefski proudly installs Trane residential and commercial heating and cooling systems. Since 1984, Bagniefski provides HVAC solutions to our customers in the surrounding areas: La Crosse, Onalaska, West Salem, Holmen, Virqoua, Coon Valley, Bangor and Trempealeau Wisconsin. Our technicians are able to service any make or model of furnace or air conditioner.