Goodman GC9S96 two-stage, multi-speed furnace was designed to provide premium efficiency at an affordable price. It features Goodman's superior heat exchanger design for the primary heat exchanger and an additional secondary heat exchanger to ensure that your energy dollars aren't being vented out of your home. This combination results in a furnace that converts 96% of the energy used directly into heat for your home, Goodman's highest mark for a two-stage furnace. Instead of a standard multi-speed blower motor, the GC9S96 utilizes an ECM motor, which uses less power and provides smarter circulation. The value doesn't end at efficiency, the GC9S96 features many different connection options to reduce installation time and a self-diagnosing control board to expedite maintenance. If you're looking to cut your energy bills and improve your comfort without breaking the bank, your search stops with the GC9S96.