Lennox.

Lennox Furnaces

Lennox® gas and oil furnaces are engineered to deliver perfect warmth, efficiency and energy savings. Delivering precise comfort and temperature control, Lennox furnaces can keep your home to within 0.5 degrees of your ideal temperature. As quiet as they are efficient, Lennox furnaces also startup and run perfectly quietly, helping to preserve the peace and quiet of your home.

Lennox SLP98V furnace.

SLP98V Variable-Capacity Gas Furnace

The quietest and most efficient furnace you can buy!

Exacting precision keeps you as comfortable as can be

Precise Comfort® technology allows the SLP98V to keep the temperature held exactly where you want it. Heat is even throughout your home, with no cold spots. If it sounds perfect, it’s because it is.

Nothing’s more efficient

With industry-leading efficiencies of up to 98.7% AFUE, the SLP98V can save you hundreds of dollars in utility costs every year. This product has been designated as one of the Most Efficient ENERGY STAR certified products in 2018. Products that are recognized as the Most Efficient of ENERGY STAR in 2018 prevent greenhouse gas emissions by meeting rigorous energy efficiency performance levels set by the U.S. Environmental Protection Agency.

A perfectly quiet environment

SilentComfort™ technology combines advanced engineering with sound-absorbing insulation to deliver the ultimate in quiet performance.

Just the right amount of airflow

AirFlex™ technology allows your dealer to adjust airflow to best match your lifestyle, home design and geographic location. When paired with an iComfort® S30 thermostat, the SLP98V adapts to your routine and adjusts temperatures accordingly.

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Lennox SL280V furnace.

SL280V Variable-Speed, Two-Stage Gas Furnace

The quietest furnace in its class.

Variable speed keeps you constantly comfortable

A variable-speed blower maintains comfort with an adjustable flow of air, preventing temperature swings and blasts of air when your system starts.

Efficiency you can feel good about

  • An energy rating of 80% AFUE means the SL280V can significantly reduce your heating costs, compared to an older furnace.
  • A more efficient home environment helps contribute to a better global environment.
  • Feel good this winter and all year long knowing you can save energy and money without compromising on comfort.

Not a lot of sound, just a lot of perfect air

Because it’s designed with SilentComfort™ technology, the SL280V operates with very low noise levels.

Two-stage heating for always-on performance

While most furnaces are either off or on, the SL280V can actually deliver two different levels of heat based on how cold it is outside. This lets it fine-tune fuel use to carefully match your comfort, keeping your home warm and energy-smart.

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Lennox SL280NV furnace.

SL280NV Ultra-Low NOx Gas Furnace

The first residential ultra-low NOx gas furnace you can buy.

Comfort you can feel good about

Efficient and environmentally friendly, the SL280NV produces 65% lower NOx emissions than standard low-NOx furnaces. So you can feel good about your environment, inside and out. Learn more.

Energy efficiency that adapts to your needs

  • The variable-speed motor helps you maintain consistent temperatures throughout your home, using as little fuel as possible.
  • iComfort® S30 ultra smart thermostat compatibility allows you to adjust your heating for energy savings based on your family’s routine.
  • An energy rating of 80% AFUE means the SL280NV can significantly reduce your heating costs, compared to an older furnace.

Two-stage operation for more balanced temperatures

The SL280NV’s variable-speed blower and two-stage gas valve allow the furnace to adjust its speed and airflow to maintain your ideal temperature throughout your home. So even on cold mornings and chilly evenings, your home remains comfortable and energy efficient.

High quality, tough and dependable

Built for durability and reliability, the SL280NV is made with a heavy-duty steel cabinet for a long, trouble-free life.

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Lennox EL296V furnace.

EL296V Variable-Speed, Two-Stage Gas Furnace

High-efficiency, variable-speed gas furnace.

Variable-speed airflow means consistent comfort

The EL296V can adjust its airflow speed, allowing it to gently disperse even heat throughout your home. Variable-speed airflow also prevents blasts of air when the system starts.

Two stages of heat, a smart choice all around

While most furnaces are either off or on, the EL296V can create heat at two different levels. This allows it to find a smart balance between energy use and comfortable warmth.

Warmth in abundance, fuel in moderation

With an efficiency rating of up to 96% AFUE, the EL296V can potentially save you hundreds of dollars per year in energy costs.

Increases efficiency, even in summer months

During the summer, the EL296V’s variable-speed motor can increase the efficiency of your outdoor cooling unit. For maximum energy savings year-round, the EL296V can be paired with a Lennox® heat pump in a dual-fuel system.

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Lennox EL296E furnace.

EL296E High-Efficiency, Two-Stage Gas Furnace

Two-stage furnace with Power Saver™ technology

Two-stage heat, one serious commitment to performance

Conventional furnaces are either off or on. But the EL296E can output heat at two different intensities, allowing it to fine-tune your comfort and your energy use in perfect balance.

Makes your air feel great, even in the summer

The EL296E also has the power to make your home feel better during summer months. By operating at its lower speed, air spends more time in contact with the outside coil, the cooling engine of your air-conditioning unit. This helps reduce moisture levels inside your home to enhance your comfort.

Constant torque, constant efficiency

The Power Saver™ constant torque motor adjusts airspeed based on demand, helping the furnace use less energy in both heating and cooling modes.

Built for exceptional reliability

Every component of the EL296E has proven itself through extensive testing in our research labs. So you can take comfort knowing the furnace will deliver reliable performance, season after season.

Dual-fuel capability means smarter energy use

When the EL296E is paired with a Lennox® heat pump, it creates a system that can automatically alternate between electricity and gas fuel to keep you warm. So you’re always using the most energy-efficient way to keep comfortable.

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Lennox EL280 furnace.

EL280 Two-Stage Gas Furnace

Consistent temperatures with two-stage heating.

Two stages of heat for perfect balance

The EL280 can adjust the size of its flame based on heating demand, allowing it to fine-tune your comfort and your energy savings with greater precision than a conventional furnace.

Efficiency you can feel good about

  • An energy rating of 80% AFUE means the EL280 can significantly reduce your heating costs, compared to an older furnace.
  • A more efficient home environment helps contribute to a better global environment.
  • Feel good this winter and all year long knowing you can save energy and money without compromising on comfort.

Dual-fuel capability means smarter energy use

When the EL280 is paired with a Lennox® heat pump, it creates a system that can automatically alternate between electricity and gas fuel to keep you warm. So you’re always using the most energy-efficient way to keep comfortable.

Warm, cozy and quiet

The EL280 is made with special sound-absorbing materials that let it operate very quietly. So your peace and quiet are preserved, along with your comfort.

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Lennox EL195E furnace.

EL195E High-Efficiency Gas Furnace

Single-stage furnace with Power Saver™ technology.

The furnace that keeps you comfortable, and energy smart

The EL195E offers an efficiency of up to 95% AFUE. That means comfort all winter long, without worrying about your energy bill.

Constant torque for powerful efficiency

The Power Saver™ constant torque motor in the EL195E adjusts airspeed based on demand. That lets it operate more efficiently than a standard motor.

As reliable as it is efficient

Every component of the EL195E is rigorously tested in our dedicated research lab. So you can count on the furnace to deliver the highest levels of reliability and performance.

Dual-fuel capability for year-round savings

When the EL195E is paired with a Lennox® heat pump, it creates a system that can automatically alternate between electricity and gas fuel to keep you warm. So you’re always using the most energy-efficient way to keep comfortable.

Lots of comfort, without a lot of noise

Because it’s made with special sound-absorbing materials, the EL195E operates at very low sound levels. And because it has a Power Saver constant torque motor, you won’t ever hear loud startup sounds.

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Lennox EL180E furnace.

EL180E Efficient Gas Furnace

Efficient gas furnace featuring Power Saver™ technology.

A furnace with powerful advantages

The EL180E’s Power Saver™ motor is designed to operate at constant torque and maintain a consistent flow of air. This helps keep temperatures inside your home comfortable, even as the weather outside changes. It also helps eliminate loud startup sounds.

Great heating performance that doesn’t drive up utility costs

Through its quiet and continual rotation, the Power Saver motor can deliver significant energy savings, compared to standard single-speed motors.

Warm comfort on cold nights

Every component inside the EL180E has been rigorously tested to ensure the furnace provides dependable comfort on cold winter nights and throughout the year.

Dual-fuel capability for year-round savings

When the EL180E is paired with a Lennox® heat pump, it creates a system that can automatically alternate between electricity and gas fuel to keep you warm. So you’re always using the most energy-efficient way to keep comfortable.

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Lennox ML195 furnace.

ML195 High-Efficiency Gas Furnace

Sealed for savings and comfort

The blower compartment of the ML195 is tightly sealed, permitting less than 1% air leakage. This means more of your air and energy go toward keeping you comfortable.

Energy-smart comfort that doesn’t stop

Because it offers an AFUE of 95%, the ML195 allows you to enjoy a home that’s warm and cozy, without worrying about your energy use.

As reliable as it is efficient

Every component of the ML195 is rigorously tested in our dedicated research lab. So you can count on the furnace to deliver the highest levels of reliability and performance.

Dual-fuel capability for year-round savings

When the ML195 is paired with a Lennox® heat pump, it creates a system that can automatically alternate between electricity and gas fuel to keep you warm. So you’re always using the most energy-efficient way to keep comfortable.

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Lennox ML193 furnace.

ML193 High-Efficiency Gas Furnace

Economical, high-efficiency gas furnace.

Built for lasting reliability and value

The ML193 offers continuous comfort at a smart price. But value doesn’t mean compromise. It’s still built to exacting Lennox® standards, with the Lennox commitment to your comfort.

Smart savings and efficient energy use

The ML193 offers an efficiency of up to 93% AFUE. So you can keep your home comfortable, without worrying that you’re wasting energy.

Tough construction for lasting comfort

The ML193 is built from heavy-gauge steel, and includes a stainless-steel secondary heat exchanger. This rugged construction means it will provide winter after winter of continual, reliable comfort.

Dual-fuel operation offers greater efficiency

When the ML193 is paired with a Lennox® heat pump, it creates a system that can automatically alternate between electricity and gas to keep you warm. So you’re always using the most energy-efficient way to keep comfortable.

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Lennox ML180 furnace.

ML180 Standard-Efficiency Gas Furnace

Economical, standard-efficiency gas furnace.

Comfort and savings in one

An AFUE of 80% means 80 cents of every dollar spent on gas goes directly toward heating your home. That can mean potential savings of hundreds of dollars per year when compared to an older furnace.

A solid, reliable performer

From its heavy-gauge steel cabinet and aluminized steel heat exchanger to its sealed blower compartment, the ML180 is built to deliver reliable comfort, year after year.

Dual-fuel operation offers greater efficiency

When the ML180 is paired with a Lennox® heat pump, it creates a system that can automatically alternate between electricity and gas to keep you warm. So you’re always using the most energy-efficient way to keep comfortable.

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Lennox ML180E furnace.

ML180E Mid-Efficiency Gas Furnace

Economical gas furnace with Power Saver™ technology.

Constant comfort and efficiency

Energy efficient and quiet, the ML180E's Power Saver™ constant torque motor provides more even temperatures and more consistent airflow, so you can relax in comfort.

Heating performance that won't drive up utility costs

When compared to a standard single-speed motor, the Power Saver motor delivers significant energy savings, without sacrificing comfort.

Keeping you comfortable and energy smart

The ML180E has an AFUE of 80%, which means that 80 cents of every dollar spent on gas goes directly to heating your home. With an ML180E furnace, you could be saving hundreds of dollars every year when compared to an older, less efficient unit.

Dual-fuel operation for even greater efficiency

When the ML180E is paired with a Lennox® heat pump, it creates a system that automatically switches between electricity and gas, keeping you warm and energy efficient.

Comfort you can rely on

From its heavy-gauge cabinet and ArmorTuf™ aluminized steel heat exchanger to its tightly-sealed blower compartment, the ML180E is built to deliver years of dependable comfort.

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Lennox SLO185V oil furnace.

SLO185V Variable-Speed Oil Furnace

Variable-speed airflow to keep you continually comfortable

The variable-speed blower motor in the SLO185V lets it adjust the speed of its airflow, so it can disperse even heat throughout your home. Better airflow control also means a better balance of temperature and humidity.

Extremely efficient operation

The SLO185V offers an efficiency of up to 87% AFUE, meaning it delivers energy-efficient comfort you can feel good about, even through the coldest winter.

Built with a performance-enhancing burner

The SLO185V is made with a Beckett® burner. This means extremely efficient combustion for greater fuel economy all winter long. It also means the burner is unaffected by drafts or poor chimney conditions.

Steady, nearly silent warmth

SilentComfort™ technology combines advanced variable-speed engineering with sound-absorbing insulation to deliver the ultimate in quiet, consistent heating.

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Lennox ELO183 oil furnace.

ELO183 Standard-Efficiency Oil Furnace

Quiet and efficient oil furnace.

The smart choice for a comfortable, quiet environment

The EL0183 is built to deliver clean, quiet performance. That means you can enjoy peace of mind—in perfect peace and quiet.

Efficient heat when winter is at its worst

An efficiency rating of 83% AFUE means 83 cents of every dollar spent on fuel goes directly toward heating your home. That lets you enjoy energy-efficient comfort, without worrying about how much oil you’re using.

A perfect fit for your home

The streamlined design of the ELO183 allows it to fit easily in almost any closet, crawlspace or basement. This gives you plenty of room for add-on air conditioning, or just more living space.

Simple, durable design that's easy to maintain

High-quality components reliably deliver heat to every room, with little maintenance required.

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