The Ducane 96G1UH135DE20K is a high‑capacity 96% AFUE upflow/horizontal gas furnace designed for larger residential applications that require strong heating output and compatibility with 5‑ton cooling systems. With heating performance in the 135,000 BTU/hr range, it is suited for homes that need substantial airflow and consistent comfort across multiple rooms or levels. Its single‑stage heating system provides straightforward, dependable operation, while the ECM blower motor helps maintain steady airflow and quieter performance during operation. The upflow/horizontal configuration allows flexible installation in basements, closets, or attic spaces, and the stainless‑steel secondary heat exchanger supports long‑term durability. This model is a practical choice for homeowners who need reliable, efficient heating in a high‑demand system.