With two unique heating stages and an AFUE (Annual Fuel Utilization Efficiency) rating of up to 80%, Trane’s XV80 Gas Furnace is a system you can count on. The variable-speed motor allows this system to operate at different speeds, depending on what you need, to create the optimal indoor temperature for you. Contact your local HVAC dealer today to learn how you can stay warm and cozy in your home all winter long with Trane’s XV80 Gas Furnace.