The Goodman / GMVC960100 / 100,000 BTU is a high-efficiency gas furnace perfect for homes with larger heating needs. It offers an AFUE rating of up to 96%, which translates to significant savings on monthly energy bills. This furnace features a variable-speed ECM blower motor for enhanced comfort and quieter operation. The unit is equipped with a self-calibrating gas valve and a two-stage gas valve that ensures more precise control of heating output. The GMVC960100 is a reliable and durable furnace that is backed by a 10-year parts limited warranty.