Industry-changing Cabinet Design. The S-series furnace cabinet is sized to accommodate virtually any home, and is certified to be airtight to less than 1%.
Efficient Performance. The S9V2 is rated at 96% gas efficiency (AFUE), and the Vortica™ II blower is one of the most efficient in the industry, providing energy savings in both winter AND summer.
Comfortable, Even Heating. With stainless steel primary and secondary heat exchangers, and the ultra-efficient Vortica™ II variable speed blower, you can count on a consistent flow of warm, comfortable air with quiet operation.
Cleaner, Healthier Indoor Air. Makes longer runtimes more affordable and efficient which, in combination with indoor air quality products, allows more air filtration to improve indoor air quality.