The Ducane 97G2UH135DV20K is a 97% AFUE furnace built for high‑demand residential heating applications, delivering 135,000 BTU/hr of capacity and supporting 5‑ton cooling. Its two‑stage heating system helps manage comfort more evenly in larger homes, while the variable‑speed ECM blower supports stable airflow and quieter operation. The furnace’s upflow/horizontal design allows it to integrate into a variety of duct configurations, and its stainless‑steel secondary heat exchanger contributes to long‑term reliability. This model is intended for installations where maximum heating output and efficient performance are essential.