Patented Dual-Diameter Tubular Heat Exchanger. 

Efficient, Quiet Variable-speed circulator motor. 

ComfortNet Communications System. 

Long life, Durable Silicon Nitride Igniter System. 

Electronic Control Board with Self-Diagnostics.

Auto-Comfort Mode for Enhanced Dehumidification. 

Run-Tested at Factory Prior to Shipment. 

This gas furnace has an AFUE rating of 95%, which means that 95 cents of every $1.00 of heating energy expense warms your home. 

Solid bottom is standard.