FurnacesHeating and CoolingRequest an Install QuoteS9V2-VS Gas FurnaceOur variable speed Vortica II blower ensures quiet performance.S9V2 Gas FurnaceHigh-effeciency two-stage gas furnace provides a consistent flow of heated air.S9X1 Gas FurnaceOne of our most affordable furnaces with up to 96% AFUE.XV80 Gas FurnaceTwo-stage heating with variable speed motor creates more comfort with less energy.