OXBOX FURNACE 2 STAGE96% AFUE; 100K BTUH; C CABINET

The J962V100CU5SA is a high-efficiency, two-stage gas furnace designed for reliable residential heating performance. Engineered for a 100,000 BTU per hour input capacity and equipped with modern combustion and blower technologies, this furnace delivers consistent, comfortable heat with reduced temperature swings and improved energy efficiency. 

Key Features

96% AFUE Efficiency

• 96% Annual Fuel Utilization Efficiency (AFUE) — converts the vast majority of fuel into usable heat, minimizing waste.

• Helps reduce heating costs over time compared with standard-efficiency model. Two-Stage Heating Operation

• Features a two-stage gas valve that runs at a lower heat when demand is modest and switches to full power under colder conditions.

• Provides more even indoor temperatures, quieter operation, and improved comfort compared with single-stage furnaces.

💨 Multi-Position Installation

• Designed for upflow and horizontal (right/left) installation orientations to fit various installation spaces such as closets, basements, or attics.

• Makes it easier to replace older furnaces in existing duct systems.