The quiet consistent furnace!
The Gold S9V2 furnace is more efficient in both heating and cooling. You will get 2-stage heating with this furnace. But what is so beautiful about the Gold SS9V2 furnace is how quietly it runs. It is rated at 96% gas efficiency (AFUE) providing energy savings in both winter AND summer. With stainless steel primary and secondary heat exchangers, you can count on a consistent flow of warm, comfortable air with quiet operation.