Greg Steger Heating and Air, is a Wisconsin (WI) Heating, Cooling, Air Conditioning, Heat Pump, Ductless Mini-Split, Heater, Boiler, and Furnace repair, service, replacement, and maintenance company located in the Plymouth area. Greg Steger Heating and Air employs only the best technicians for air conditioner repair and, furnace repair as well as all air conditioner replacement, furnace replacement, and boiler replacement.