- Furnaces Overview
- SLP98V 98.2% High-Efficiency FurnaceSPL98V Variable-Capacity
Gas Furnace
The most efficient and quietest
furnace you can buy - G61MPV 95% High-Efficiency FurnaceG61V High Efficiency
Gas Furnace
Efficiency rating
of up to 95% - G61 95% High-Efficiency FurnaceG61 Gas Furnace
Two-stage,
high-efficiency heating - EL195 95% High-Efficiency FurnaceEL195 Gas Furnace
Designed for enhanced
comfort and efficiency
- ML193 93% High-Efficiency FurnaceML193 Gas Furnace
Economical, high-efficiency
Lennox Furnaces
Designed to deliver reliable and economical warmth, Lennox® furnaces have efficiency ratings from 93% all the way up to 98.2% AFUE.
- Innovative Precise Comfort™ and Airflex™ technologies
- Provincial grants of up to $790
- Industry leading low sound levels
- Heating efficiencies of 98.2% AFUE
- Humidity control features
Many Lennox® furnaces 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.

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Product Overview: SLP98V Variable-Capacity Gas Furnace
Elite® Series SLP98V High-Efficiency Gas Furnace
Features
Home Comfort
- Precise Comfort™ technology—automatically adjusts
fan speed, heat and airflow capacity in increments as
small as 1% for the ultimate in temperature control - AirFlex™ technology—offers custom settings which can be selected to meet each home's specific year-round comfort requirements
- Zoning-compatible design—works with Lennox Harmony III™ zoning system to deliver the right amount of comfort for up to four zones
- Variable-capacity operation—goes beyond typical low and high two-stage operation, varying output from 35% to 100%
Energy Efficiency
- The most efficient and quietest furnace you can buy!
- Efficiency rating of up to 98.2% AFUE—can save you over $800 dollars each year*, compared to standard furnaces
- ENERGY STAR® qualified—meets or exceeds EPA guidelines for energy efficiency
- Self-calibrating variable speed inducer—automatically adjusts to match the system requirements, ensuring cleaner combustion and efficient operation
- Stainless Steel secondary heat exchanger—has a robust, time-tested design that captures waste heat, allowing the furnace to achieve industry-leading efficiency levels
- Dual-fuel capability—can be combined with an electric heat pump to enhance comfort and fuel efficiency by alternating between electric and gas heat, optimizing energy use and minimizing heating costs
- icomfort™-enabled technology—allows the furnace, when installed with the easy-to-use programmable icomfort Touch thermostat, to exchange information and make adjustments as needed to optimize performance and efficiency**
- This product qualifies for a tax credit***
Reliable Performance
- Duralok Plus® heat exchanger—made of patented ArmorTuf™ steel to ensure high reliability and efficiency
- SureLight® igniter—silicone nitride construction ensures long product life and reliable operation
- SureLight control board (icomfort™ compatiable)—controls all furnace operations to ensure high reliability and efficiency. Direct-readout diagnostics for simple, quick troubleshooting
- Limited Lifetime Warranty on heat exchanger
- 10-Year Limited Warranty on covered components
- The most efficient and quietest furnace you can buy!
- SilentComfort™ technology—delivers the ultimate in quiet, consistent heating—up to seven times quieter than competitive models
- Variable speed blower motor—provides a quiet, consistent flow of air for enhanced comfort, efficiency and humidity control
- Fully insulated cabinet—patented noise-reducing construction further minimizes operating sound to an industry-leading low level
Quiet Operation
Product Overview: G60V Variable Speed Gas Furnace
Dave Lennox Signature® Collection G60V Variable Speed Gas Furnace
Features
Quiet Operation
- SilentComfort™ technology - Delivers the ultimate in quiet, consistent heating
- Fully Insulated Cabinet -Patented noise-reducing construction further minimizes operating sound to an industry leading low level
Home Comfort
- Two-stage, Variable Speed Operation – Runs at low speed 80% of the time, which minimizes the up-and-down temperature changes associated with standard furnaces
- Enhanced Humidity Control – Runs at different speeds to precisely control the flow of heated and cooled air throughout your home
- Low-speed fan – Provides a consistent, continuous flow of warm air
Energy Efficiency
- Efficiency rating of 80% AFUE – Can save you hundreds of dollars each year, compared to standard furnaces
- Dual-fuel Capability — Can be combined with an electric heat pump to enhance comfort and fuel efficiency by alternating between electric and gas heat, optimizing energy use and minimizing heating costs.
Reliable Performance
- Duralok® Heat Exchanger – Made of patented ArmourTuf™ steel to ensure high reliability and efficiency
- SureLight® Igniter - Silicone nitride construction ensures long product life and reliable operation
- SureLight® Control Board – Direct-readout diagnostics allow simple, quick troublehsooting
- 20-Year Limited Warranty on heat exchanger
- 10-Year Limited Warranty on covered components
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Product Overview: G61V High-Efficiency Gas Furnace
Elite® Series G61V High-Efficiency Gas Furnace
Features
Quiet Operation
- Fully Insulated Cabinet - Ensures quiet, efficient operation
Home Comfort
- Two-Stage, Variable Speed Operation - Runs at low speed 80% of the time, which minimizes the up-and-down temperature changes associated with standard furnaces
- Enhanced Humidity Control - Runs at different speeds to precisely control the flow of heated and cooled air throughout your home
- Low-speed Fan - Provides a consistent, continuous flow of warm air
Energy Efficiency
- Efficiency rating of up to 95% AFUE - Can save you hundreds of dollars each year, compared to standard furnaces
- Energy Star® qualified – Meets or exceeds EPA guidelines for energy efficiency
- Dual-fuel Capability — Can be combined with an electric heat pump to enhance comfort and fuel efficiency by alternating between electric and gas heat, optimizing energy use and minimizing heating costs.
Reliable Performance
- DuralokPlus® Heat Exchanger - Made of patented ArmorTuf™ steel to ensure high reliability and efficiency
- SureLight® Igniter - Silicone nitride construction ensures long product life and reliable operation
- SureLight® Control Board - Direct-readout diagnostics allow simple, quick troubleshooting
- Limited Lifetime Warranty on heat exchanger
- 5-Year Limited Warranty on covered components
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Product Overview: G61 Gas Furnace
Elite® Series G61 Gas Furnace
Features
Quiet Operation
- Fully Insulated Cabinet - Ensures quiet, efficient operation
- Two-Stage Heating with Continuous Fan Operation – Quieter than standard single-stage furnaces
Home Comfort
- Two-stage Operation – Runs at low speed 80% of the time, which minimizes the up-and-down temperature changes associated with standard furnaces
- Low-speed Fan – Provides a consistent, continuous flow of warm air
Energy Efficiency
- Efficiency rating of 94.1% AFUE - Can save you hundreds of dollars each year, compared to standard furnaces
- Energy Star® qualified – Meets or exceeds EPA guidelines for energy efficiency
- Dual-fuel Capability — Can be combined with an electric heat pump to enhance comfort and fuel efficiency by alternating between electric and gas heat, optimizing energy use and minimizing heating costs.
Reliable Performance
- Duralok Plus® Heat Exchanger - Made of patented ArmorTuf™ steel to ensure high reliability and efficiency
- SureLight® Igniter - Silicone nitride construction ensures long product life and reliable operation
- SureLight® Control Board - Direct-readout diagnostics allow simple, quick troubleshooting
- Multi-position models
- Lifetime Limited Warranty on heat exchanger
- 5-Year Limited Warranty on covered components
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Product Overview: EL195 Gas Furnace
Elite® Series EL195 Gas Furnace
Features
Economical and Efficient
- Lower Utility Bills
- Better AIr Quality
- Exceptional Warmth
- Reliable Performance
Energy Efficiency
- Efficiency rating of 95% AFUE
- Gives you greater control over your utility bills, with potential savings of hundreds of dollars each year.
- May qualify for local incentives and tax rebates.
- When paired with a lennox electric hat pump, the EL195 offers even greater efficiency.
- Energy Star Qualified.
Simple Design that's easy to Maintain
- Non-volatile self-diagnostics
- Separate inner door provides easy access for servicing
- Slide out blower can be quickly and easily accessed for service or cleaning.
- Front facing screws for easy access to ignitor and flame rod.
Product Overview: G60 Gas Furnace
Elite® Series G60 Gas Furnace
Features
Quiet Operation
- Fully insulated – Ensures quiet, efficient operation
- Insulated Blower Compartment – Reduces sound for quieter operation
Home Comfort
- Two-stage operation – Runs at low speed 80% of the time, which minimizes the up-and-down temperature changes associated with standard furnaces
Energy Efficiency
- Efficiency rating of 80% AFUE – Can save you hundreds of dollars each year, compared to standard furnaces
- Dual-fuel Capability — Can be combined with an electric heat pump to enhance comfort and fuel efficiency by alternating between electric and gas heat, optimizing energy use and minimizing heating costs.
Reliable Performance
- Duralok Plus® Heat Exchanger - Made of patented ArmorTuf™ steel to ensure high reliability and efficiency
- SureLight® Igniter - Silicone nitride construction ensures long product life and reliable operation
- SureLight® Control Board - Direct-readout diagnostics allow simple, quick troubleshooting
- 20-Year Limited Warranty on heat exchanger
- 5-Year Limited Warranty on covered components
Product Overview G50 Gas Furnace
Elite® Series G50 Gas Furnace
Features
Quiet Operation
- Fully insulated – Ensures quiet, efficient operation
- Insulated Blower Compartment – Reduces sound for quieter operation
Home Comfort
- Low-speed Fan — Provides a consistent, continuous flow of warm air
Energy Efficiency
- Efficiency rating of 80% AFUE – Can save you hundreds of dollars each year, compared to standard furnaces
- Dual-fuel Capability — Can be combined with an electric heat pump to enhance comfort and fuel efficiency by alternating between electric and gas heat, optimizing energy use and minimizing heating costs.
Reliable Performance
- Duralok Plus® Heat Exchanger - Made of patented ArmorTuf™ steel to ensure high reliability and efficiency
- SureLight® Igniter - Silicone nitride construction ensures long product life and reliable operation
- SureLight® Control Board - Direct-readout diagnostics allow simple, quick troubleshooting
- 20-Year Limited Warranty on heat exchanger
- 5-Year Limited Warranty on covered components
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Product Overview: ML193 Economical High Efficiency
Gas Furnace
Merit® Series ML193 High Efficiency Gas Furnace
Features
Home Comfort
- Stainless steel secondary heat exchanger—allows the furnace to reach high efficiency levels by capturing additional heat
- Robust blower assembly—exceeds industry standard airflow for even temperatures and improved comfort
Energy Efficiency
- Efficiency rating of 93% AFUE—can save you hundreds of dollars each year, compared to standard furnaces
- ENERGY STAR® qualified—meets or exceeds EPA guidelines for energy efficiency
- Sealed blower compartment—minimizes losses and maximizes efficency and comfort. Less than 1% leakage at 1.0" ESP
- Dual-fuel capability—can be combined with an electric heat pump to enhance comfort and fuel efficiency by alternating between electric and gas heat, optimizing energy use and minimizing heating costs
Reliable Performance
- Duralok Plus® heat exchanger—made of patented ArmorTuf™ aluminized steel to ensure high reliability and efficiency
- SureLight® ignitor—silicon nitride construction for long product life and reliable operation
- Durable steel cabinet—Made to last, with a resilient and attractive textured-paint finish
- SureLight integrated control board—ensures full control of furnace operation
- 20-Year Limited Warranty on heat exchanger
- 5-Year Limited Warranty on covered components
- This product may be eligible for valuable 10-Year Limited Extended Warranty coverage.
Product Overview: G40 Gas Furnace
Merit® Series G40 Gas Furnace
Features
Energy Efficiency
- Efficiency rating of 80% AFUE – Can save you hundreds of dollars each year, compared to standard furnaces
- Dual-fuel Capability — Can be combined with an electric heat pump to enhance comfort and fuel efficiency by alternating between electric and gas heat, optimizing energy use and minimizing heating costs.
Reliable Performance
- Duralok® Heat Exchanger – Made of high-quality, patented ArmourTuf aluminized steel
- Hot Surface Igniter – Controls furnace operation to ensure reliable, efficient performance
- 20-Year Limited Warranty on heat exchanger
- 5-Year Limited Warranty on covered components
Product Overview: O23V Oil Furnace
Dave Lennox Signature® Collection O23V Oil Furnace
Features
Quiet Operation
- Variable Speed Operation – Assures comfort, effeciency and considerable noise reduction
- SilentComfort™ Technology – Ensures quiet operation
- Innovative Combustion Chamber – Constructed from alumina-silica ceramic fiber, provides quiet operation and high efficiency
Energy Efficiency
- Efficiency ratings of up to 83% AFUE
- Heavy Gauge Steel Heat Exchanger – Allows air to glide evenly over its smooth surface for maximum heating efficiency
Reliable Performance
- Beckett Burner – Delivers super-efficient combustion for greater fuel economy
- Heavy-Duty Fuel Pump – Provides quiet, reliable operation with fast shutoff of oil flow
- Lifetime Limited Warranty on heat exchanger
- 10-Year Limited Warranty on covered components
- This product has earned the prestigious Good Housekeeping Seal
Product Overview O25 Oil Furnace
Elite® Series O25 Oil Furnace
Features
Quiet Operation
- Insulated Blower Compartment – Minimizes operating sounds
- Innovative Combustion Chamber – Constructed from alumina-silica ceramic fiber, provides quiet operation and high efficiency
Energy Efficiency
- Efficiency ratings of up to 84% AFUE
Reliable Performance
- Riello Burner – Super-efficient combustion for greater fuel economy and sound reduction
- Blower Motor – Multi-speed, direct-drive system that is statically and dynamically balanced
- Lifetime Limited Warranty on heat exchanger
- 5-Year Limited Warranty on covered components
- This product has earned the prestigious Good Housekeeping Seal
Product OverviewO23 Oil Furnace
Elite® Series O23 Oil Furnace
Features
Quiet Operation
- Insulated Blower Compartment – Minimizes operating sounds
- Innovative Combustion Chamber – Constructed from alumina-silica ceramic fiber, provides quiet operation and high efficiency
Energy Efficiency
- Efficiency ratings of up to 83% AFUE
- Heavy Gauge Steel Heat Exchanger – Allows air to glide evenly over its smooth surface for maximum heating efficiency
Reliable Performance
- Beckett AFII Burner – Delivers super-efficient combustion for greater fuel economy
- Heavy-Duty Fuel Pump – Provides quiet, reliable operation with fast shutoff of oil flow
- Lifetime Limited Warranty on heat exchanger
- 5-Year Limited Warranty on covered components
- This product has earned the prestigious Good Housekeeping Seal









