Lennox Furnaces


Designed to deliver reliable and economical warmth, Lennox® furnaces have efficiency ratings from 80% all the way up to 98.2% AFUE. And many are ENERGY STAR® qualified, which means they can significantly lower your utility bills, compared to conventional models. For optimal comfort and efficiency, a gas furnace can be combined with an electric heat pump in one dual-fuel system.

Quick-view comparison of all Lennox Furnaces

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Lennox Signature Collection

SLP98V Variable Capacity Gas Furnace


  • Efficiency rating of up to 98.2% AFUE
  • ENERGY STAR® qualified
  • Self-calibrating variable speed inducer
  • Stainless Steel secondary heat exchanger
  • Dual-fuel capability
  • icomfort™-enabled technology
  • SilentComfort™ technology
  • Variable speed blower motor
  • Precise Comfort™ technology
  • AirFlex™ technology
  • Zoning-compatible design
  • Variable-capacity operation
  • Duralok Plus® heat exchanger
  • Limited Lifetime Warranty on heat exchanger.
  • 10-Year Limited Warranty on covered components.

Lennox Signature Collection

SL280V Variable Speed Gas Furnace


  • 80% AFUE heating efficiency—rating
  • Improved SEER with matched air conditioner or heat pump
  • Dual-fuel capability
  • Sealed blower compartment
  • The quietest furnace in its class
  • SilentComfort™ technology
  • Special sound-absorbing materials
  • Two-stage operation
  • Durable steel cabinet
  • 20-year limited warranty on heat exchanger.
  • 10-year limited warranty on covered components.

Lennox Signature Collection

O23V Oil Furnace


  • Efficiency ratings of up to 83% AFUE
  • Heavy-gauge steel heat exchanger
  • Variable speed operation
  • SilentComfort™ technology
  • Innovative combustion chamber
  • Durable, insulated steel cabinet
  • Beckett burner
  • Heavy-duty fuel pump
  • Limited lifetime warranty on heat exchanger
  • 10-year limited warranty on covered components

Quick-view comparison of all Lennox Furnaces.

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Lennox Elite Collection

G61V High-Efficiency Gas Furnace


  • Efficiency rating of up to 95% AFUE
  • ENERGY STAR® qualified
  • Dual-fuel capability
  • Fully insulated cabinet
  • Two-stage, variable speed operation
  • Enhanced humidity control
  • Secondary heat exchanger
  • Low-speed fan
  • Duralok Plus™ heat exchanger
  • SureLight® igniter
  • SureLight® control board
  • Multi-position models available
  • Limited Lifetime Warranty on heat exchanger.
  • 5-Year Limited Warranty on covered components.

Lennox Elite Collection

G61 Gas Furnace


  • Efficiency rating of up to 95% AFUE
  • ENERGY STAR® qualified.
  • Dual-fuel capability
  • Fully insulated cabinet
  • Two-stage, variable speed operation
  • Secondary heat exchanger
  • Low-speed fan
  • Duralok Plus™ heat exchanger
  • SureLight® igniter
  • SureLight® control board
  • Multi-position models available
  • Limited Lifetime Warranty on heat exchanger.
  • 5-Year Limited Warranty on covered components.

Lennox Elite Collection

EL195E Gas Furnace


  • Efficiency rating of up to 95% AFUE
  • ENERGY STAR® qualified
  • Single-stage motor
  • Power saver technology
  • Sealed blower compartment
  • Dual-fuel capability
  • Fully insulated cabinet
  • Secondary heat exchanger
  • Low-speed fan
  • Duralok Plus™ heat exchanger
  • SureLight® igniter
  • Limited Lifetime Warranty on heat exchanger.
  • 5-Year Limited Warranty on covered components.

Lennox Elite Collection

EL195 Gas Furnace


  • Efficiency rating of up to 95% AFUE
  • ENERGY STAR® qualified
  • Sealed blower compartment
  • Dual-fuel capability
  • Fully insulated cabinet
  • Secondary heat exchanger
  • Low-speed fan
  • Duralok Plus™ heat exchanger
  • SureLight® igniter
  • Limited Lifetime Warranty on heat exchanger.
  • 5-Year Limited Warranty on covered components.

Lennox Elite Collection

G60 Gas Furnace


  • Efficiency rating of 80% AFUE
  • Dual-fuel capability
  • Fully insulated cabinet
  • Two-stage operation
  • Low-speed, continuous fan
  • Duralok Plus™ heat exchanger
  • Insulated blower compartment
  • SureLight® igniter
  • SureLight® control board
  • 20-Year Limited Warranty on heat exchanger.
  • 5-Year Limited Warranty on covered components.

G60 Brochure PDF (1,208 KB)

Lennox Elite Collection

G50 Gas Furnace


  • Efficiency rating of 80% AFUE
  • Dual-fuel capability
  • Fully insulated cabinet
  • Low-speed fan
  • Duralok Plus™ heat exchanger
  • Insulated blower compartment
  • SureLight® igniter
  • SureLight® control board
  • 20-Year Limited Warranty on heat exchanger.
  • 5-Year Limited Warranty on covered components.

Lennox Elite Collection

O23 Oil Furnace


  • Efficiency ratings of up to 83% AFUE
  • Compact size for easy fitting
  • Heavy-gauge steel heat exchanger
  • Insulated blower compartment
  • Innovative combustion chamber
  • Beckett AFII burner
  • Heavy-duty fuel pump
  • Limited lifetime warranty on heat exchanger
  • 5-year limited warranty on covered components

Quick-view comparison of all Lennox Furnaces.

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Lennox Merit Collection

ML193 Gas Furnace


  • Efficiency rating of 93% AFUE
  • ENERGY STAR® qualified
  • Sealed blower compartment
  • Dual-fuel capability
  • Stainless steel secondary heat exchanger
  • Robust blower assembly
  • Duralok Plus™ heat exchanger.
  • SureLight® igniter
  • 20-Year Limited Warranty on heat exchanger.
  • 5-Year Limited Warranty on covered components.

Lennox Merit Collection

ML180E Gas Furnace


  • Efficiency rating of 80% AFUE
  • Tax Credit eligible
  • Dual-fuel capability
  • Power Saver technology
  • Robust blower assembly
  • Sealed blower compartment
  • Duralok Plus™ heat exchanger
  • SureLight® control board
  • Hot surface igniter
  • 20-Year Limited Warranty on heat exchanger.
  • 5-Year Limited Warranty on covered components.

Lennox Merit Collection

ML180 Gas Furnace


  • Efficiency rating of 80% AFUE
  • Dual-fuel capability
  • Robust blower assembly
  • Sealed blower compartment
  • Duralok Plus™ heat exchanger
  • SureLight® control board
  • Hot surface igniter
  • 20-Year Limited Warranty on heat exchanger.
  • 5-Year Limited Warranty on covered components.