Freedom 90^® Comfort-R Gas Furnace

Induced draft venting

Multi-port in-shot burners

Adaptive hot surface silicon nitride igniter

Sealed combustion

Aluminized steel heat exchanger

Heavy steel insulated cabinet

Self-diagnostic controls

AL29-4C™ stainless steel secondary heat exchanger

Variable speed blower motor operates at a lower, more efficient
speed than conventional blowers. American Standard's exclusive
Comfort-R™ feature is an added bonus with variable speed.
Comfort-R™ provides greater humidity control in cooling.

Dual door latches

Cleanable filter

Spring-loaded filter rack

Automotive grade gaskets and insulated blower door

Direct vent option

Two-stage gas valve

Variable speed draft inducer