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Heating Products

Install durable heating products from Lennox with your choice of energy-efficiency ratings and a variety of features for easy installation and maintenance. Furnaces designed for quiet, high-efficiency operation and excellent starting reliability, as well as separated combustion unit heaters for hard-to-heat areas where dust is a problem provide heating control entirely customized to meet your building’s needs.

Furnaces

Reliable furnaces from Lennox provide long-lasting comfort and quiet operation. Choose a configuration to meet the needs of virtually any light commercial application.

Model Description Capacity
Range (Btuh)
Energy
Efficiency
AFUE
LifeCycle
Savings
* * G61MP 2 Stage 44,000-132,000 Up to 94.1% $$$
* * G60DF 2 Stage 66,000-132,000 Up to 80.0% $$
* * G60UH 2 Stage 66,000-132,000 Up to 80.0% $$
* * G51MP 44,000-132,000 Up to 92.5% $$$
* * G50UH 44,000-154,000 Up to 80.0% $$
* * G50DF 44,000-54,000 Up to 80.0% $$
* * G43UF 44,000-132,000 Up to 92.1% $$$
* * G40DF 44,000-154,000 Up to 80.0% $$
* * G40UH 44,000-154,000 Up to 80.0% $$

* indicates ENERGY STAR® qualified product

Unit Heaters and Duct Furnaces

With Lennox unit heaters and duct furnaces, you’ll reduce installation time by eliminating roof penetrations and provide consistent comfort with steady heat. Choose from a range of capacities and energy-efficiency ratings.

Model Description Capacity
Range (Btuh)
Steady
State
Thermal
Efficiency
LifeCycle
Savings
* * T-Class™ Separated Combustion Unit Heater 45,000-300,000 Up to 82.0% $$
* * LF24 Unit Heater 30,000-400,000 Up to 80.0% $$
* * LD24 Duct Furnace 75,000-300,000 Up to 80.0% $$

* indicates ENERGY STAR® qualified product

Due to Lennox' ongoing commitment to quality, all specifications, ratings, and dimensions are subject to change.