PlusOne® Energy Efficiency: ENERGY STAR® certified, featuring 97% AFUE across all model sizes

PlusOne® Diagnostics: Industry first, 7-Segment LED Display makes service calls quick and easy

PlusOne® Ignition System: Proven Direct Spark Ignition (DSI) for reliability and longevity

PlusOne® Water Management System: Exclusive patented block drain sensor that automatically shuts off the furnace when the drain is blocked and alerts the contractor via diagnostic code

Modulating Heating Stage: Gradual auto-adjustment from low to 100% of capacity to meet precise comfort requirements

Constant CFM Motor: Truly variable speed technology allows for ultimate humidity control, quieter sounds levels and year-round energy savings

Quietest Operation1: A fully insulated blower cabinet, solid bottom and truly variable speed airflow technology makes this furnace of the quietest available

EcoNet® Enabled Furnace: The latest in sensor technology and the EcoNet® monitoring system provides a new level of protection, control and energy savings

Allows on-the-go control and receipt of system alerts by the homeowner via the EcoNet® Smart Thermostat and EcoNet® App3