Lennox® Elite 90
Efficiency Rating AFUE up to 92.4%		DuralokPlus™ Heat Exchanger High Quality patented stainless steel heat exchanger provides high-efficiency operation and resists corrosion.
		Reliable Sealed Combustion Uses 100% outdoor air reducing the likelihood of heat exchanger corrosion from chemicals found in indoor air. And no open flame means quieter operation.
		SureLight™ Electronic Ignition System Sturdy igniter design and patented adaptive technology control module adjusts to ever-changing conditions for safe, reliable operation by providing just enough energy to light the burners without overheating the igniter, thereby extending the igniter life.
		Quiet Operation Insulated blower compartment and cabinet, combined with super quiet blowers, help mute sound levels.
		Durable Steel Cabinet Rugged and well-insulated cabinet is protected with a durable, high quality paint process that keeps it looking good for years.