Heating

From high efficiency furnaces to convenient, high-performance unit heaters, Lennox® heating products provide flexible solutions for spaces large and small. Simple to install and easy to maintain, Lennox units can be customized to meet each building’s specific needs.

Unit Heaters and Duct Furnaces

LF25 Unit Heater Product Image

LF25 Unit Heater

Tonnage

30,000 to 400,000 Btuh

Thermal Efficiency

Up To 83.8
LF24 Unit Heater Product Image

LF24 Unit Heater

Tonnage

30,000-390,000 Btuh

Thermal Efficiency

Up To 81
LS25 Separated Combustion Unit Heater Product Image

LS25 Separated Combustion Unit Heater

Tonnage

125,000-400,000 Btuh

Thermal Efficiency

82
LD24 Duct Furnace Product Image

LD24 Duct Furnace

Tonnage

75,000-300,000 Btuh

Thermal Efficiency

80

Furnaces

SLP98V Gas Furnace Product Image

SLP98V Gas Furnace

Tonnage

66,000-132,000 Btuh

AFUE

Up To 98.7
EL296V/EL296E Gas Furnace Product Image

EL296V/EL296E Gas Furnace

Tonnage

44,000-132,000 Btuh

AFUE

96
EL280E Gas Furnace Product Image

EL280E Gas Furnace

Tonnage

66,000-132,000 Btuh

AFUE

80
EL195E Gas Furnace Product Image

EL195E Gas Furnace

Tonnage

44,000-132,000 Btuh

AFUE

95
ML193 Gas Furnaces Product Image

ML193 Gas Furnaces

Tonnage

44,000-132,000 Btuh

AFUE

93
ML180 Gas Furnaces (60Hz and 50Hz) Product Image

ML180 Gas Furnaces (60Hz and 50Hz)

Tonnage

44,000-132,000 Btuh

AFUE

80
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