80 Single-Stage Builder-Grade Gas Furnace (Choice 80)
Reliable, affordable warmth with Trane's builder-grade 80% efficiency.
Builder-grade 80% AFUE single-stage gas furnace with Vortica™ II blower and durable steel construction.
The 80 Single-Stage Builder-Grade Gas Furnace (formerly S8B1) is designed for reliable, consistent home heating at an accessible price point. It features a silicon nitride igniter, multi-port in-shot burners, tubular steel heat exchanger, pre-painted galvanized steel cabinet, and Trane's patented Vortica™ II blower design. Available in a range of capacities from 40,000–120,000 BTU.
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