Lennox® G50 - Forced Air Furnace

Efficiency Rating
AFUE up to 80.0%

DuralokPlus™ Heat Exchanger
The heart of the furnace operates by burning the fuel inside the heat exchanger that warms the air traveling across the outside of the heat exchanger. Its patented crimped seam is a Lennox® exclusive feature designed to provide longer life and safer operation.

Indoor Air Blower
Circulating air blower is dynamically balanced for quieter, more efficient operation and delivers warm even comfort..

SureLight™ Control Board
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.

Insulated Blower Compartment

Reduces sound for quieter operation.

Durable Steel Cabinet
Has a high-quality paint process that keeps it looking good for years and was designed with mitered corners to make the unit stronger.