American Standard 80% AFUE 40,000 BTU 1 Stage Gas Furnace


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Get efficient performance with the American Standard S8B1 gas furnace. 

A solid and reliable unit, this residential furnace is designed to provide affordable heating throughout your entire home.

  • The American Standard S8B1 furnace coverts up to 80 percent of the fuel that you purchase to heat your home.
  • Save on energy usage while also reducing greenhouse gas emissions* by significantly surpassing government efficiency standards.
  • This furnace provides comfort with its tubular, steel heat exchanger and patented Vortica II blower design.
  • With its heavy steel, AirTite cabinet this furnace is durable and holds in more heat to better warm your home.

Model Number



34 H x 14.5 W x 28.75 D

Filter Size

14″ x 25″ x 1″

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