Heat Pumps

Enjoy innovation in every season with precise, quietly efficient Lennox^® heat pumps that keep your life simply perfect.

Explore the precision of Lennox^® Heat Pumps

Perfect inside, no matter what’s outside

Lennox^® heat pumps are the smartest solution for milder climates, where they can provide energy-efficient comfort during every season of the year.

See how a heat pump works

True comfort is Precise Comfort^®

Even on the most humid days, Lennox Precise Comfort^® technology keeps temperatures exactly where you set them, using only the energy that’s needed.

Great savings happen when two energy sources work together

When you combine a compatible Lennox heat pump with an efficient Lennox furnace, you can create an energy-saving dual-fuel system. The heat pump functions as both a heating and cooling system, reducing gas fuel consumption. On extra-cold days, the gas furnace becomes the primary heat source, ensuring maximum comfort is maintained.

Stay comfortable—and asleep

Peace and quiet are just as much a part of the perfect environment as temperature and humidity. That’s why many Lennox heat pumps offer SilentComfort™ technology that produces some of the lowest noise levels in the industry.

"We had a dual fuel Lennox heat pump HVAC system installed just about a year ago, replacing a conventional propane furnace and A/C. The difference in indoor comfort is amazing."

-BellaVistaCGT, Bella Vista, Arkansas

Lennox^® heat pumps are some of the most precise and efficient you can buy. Delivering effective temperature and humidity control, and efficient energy usage, Lennox heat pumps keep your home’s temperature exactly where you want it. The units work like an all-in-one cooling and heating system, and are perfectly suited to warmer climates. During summer months, the heat pump works like an air conditioner, extracting heat from inside your home and moving it outdoors. When the weather turns cooler, the process is reversed as the unit collects heat from the air outside and transfers it inside. Extremely quiet and exceptionally efficient, Lennox heat pumps deliver industry-leading efficiencies of up to 23.50 SEER and 10.20 HSPF, which can help save you hundreds of dollars every year in utility costs. For maximum flexibility and energy savings, single fuel and dual fuel models are available. Dual fuel models need to be installed with a compatible furnace, creating a system that can automatically switch back and forth between electricity and gas, based on whichever is most cost-efficient in your area.

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SL22KLV Cold Climate Heat Pump

The most precise and efficient heat pump available, featuring Lennox' most advanced cold climate technology.* *

Rating:

Efficiency Rating (SEER2):

up to 21.10

Efficiency Rating (HSPF2):

10.5

Sound Rating:

ENERGY STAR^® Qualified:

Refrigerant Type:

Price Guide:

$$$$

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SL25XPV Heat Pump

The most precise and efficient heat pump you can buy, now featuring Lennox TruHeat Performance **

Rating:

Efficiency Rating (SEER):

up to 24.0

Efficiency Rating (SEER2):

up to 23.0

Efficiency Rating (HSPF):

up to 11.8

Efficiency Rating (HSPF2):

up to 10.3

Sound Rating:

ENERGY STAR^® Qualified:

Price Guide:

$$$$

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XP25 Heat Pump

The most precise and efficient heat pump you can buy ***

Rating:

Efficiency Rating (SEER):

up to 23.5

Efficiency Rating (HSPF):

up to 10.2

Sound Rating:

ENERGY STAR^® Qualified:

Price Guide:

$$$$

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XP21 Heat Pump

The quietest and most efficient two-stage heat pump you can buy †

Rating:

Efficiency Rating (SEER):

up to 19.2

Efficiency Rating (SEER2):

up to 17.8

Efficiency Rating (HSPF):

up to 9.7

Efficiency Rating (HSPF2):

up to 8.2

Sound Rating:

ENERGY STAR^® Qualified:

Price Guide:

$$$

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XP20 Heat Pump

High-efficiency heat pump with true variable capacity

Rating:

Efficiency Rating (SEER):

up to 20.0

Efficiency Rating (SEER2):

up to 20.0

Efficiency Rating (HSPF):

up to 10.4

Efficiency Rating (HSPF2):

up to 8.4

Sound Rating:

ENERGY STAR^® Qualified:

Price Guide:

$$$

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EL21KLV Cold Climate Heat Pump

High-efficiency, digital-ready, variable-capacity cold climate heat pump compatible with 2025 Compliant Refrigerant

Rating:

Efficiency Rating (SEER2):

up to 21

Sound Rating:

ENERGY STAR^® Qualified:

Refrigerant Type:

Price Guide:

$$$

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EL22XPV Heat Pump

High-efficiency, digitally-enabled, variable-capacity heat pump

Rating:

Efficiency Rating (SEER):

up to 22.0

Efficiency Rating (SEER2):

up to 22.0

Efficiency Rating (HSPF2):

up to 9.5

Sound Rating:

ENERGY STAR^® Qualified:

Price Guide:

$$$

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EL19KPV Heat Pump

Mid-efficiency, digital-ready, variable-capacity heat pump compatible with 2025 Compliant Refrigerant

Rating:

Efficiency Rating (SEER2):

up to 19.5

Efficiency Rating (HSPF2):

up to 9.0

Sound Rating:

ENERGY STAR^® Qualified:

Refrigerant Type:

Price Guide:

$$$

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EL18KSLV Heat Pump

Mid-efficiency, slim-design, variable-capacity, cold climate heat pump compatible with 2025 Compliant Refrigerant

Rating:

Efficiency Rating (SEER2):

up to 19.5

Efficiency Rating (HSPF2):

up to 10.0

Sound Rating:

ENERGY STAR^® Qualified:

Refrigerant Type:

Price Guide:

$$$

Availability:

Canada only

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EL18XPV Heat Pump

Mid-efficiency, digitally-enabled, variable-capacity heat pump

Rating:

Efficiency Rating (SEER):

up to 20.0

Efficiency Rating (SEER2):

up to 21.6

Efficiency Rating (HSPF):

up to 10.0

Efficiency Rating (HSPF2):

up to 8.7

Sound Rating:

ENERGY STAR^® Qualified:

Price Guide:

$$$

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EL17XP1 Heat Pump

Mid-efficiency, single-stage heat pump

Rating:

Efficiency Rating (SEER):

up to 18.6

Efficiency Rating (SEER2):

up to 17.0

Efficiency Rating (HSPF):

up to 10.6

Efficiency Rating (HSPF2):

up to 8.5

Sound Rating:

ENERGY STAR^® Qualified:

Price Guide:

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EL16KP1 Heat Pump

Mid-efficiency, single-stage heat pump compatible with 2025 Compliant Refrigerant

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Sound Rating:

ENERGY STAR^® Qualified:

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ML17XP1 Heat Pump

Standard-efficiency, single-stage heat pump

Rating:

Efficiency Rating (SEER):

up to 18.6

Efficiency Rating (SEER2):

14.3

Efficiency Rating (HSPF):

up to 10.6

Efficiency Rating (HSPF2):

7.5

Sound Rating:

ENERGY STAR^® Qualified:

Price Guide:

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ML14KP1 Heat Pump

Standard-efficiency, single-stage heat pump compatible with 2025 Compliant Refrigerant

Rating:

ENERGY STAR^® Qualified:

Refrigerant Type:

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* Efficiency claim based on comparison of the combined heating and cooling efficiency within a single product family (HSPF2, EER2, and SEER2 of the SL22KLV) as compared to the HSPF2, EER2, and SEER2 of competitive R-454B and R-32 ducted heat pump as published in AHRI (January 2025). Actual system efficiency may vary based on the system match and other factors; consult AHRI Directory for exact system efficiency. Precision claim based on the average cooling capacity range of the SL22KLV as compared to the average cooling capacity range of the competitive variable capacity compressor units based on published competitive data (January 2025). Cooling capacity ranges calculated across 2, 3, 4 and 5 tonnage at maximum and minimum speed at ARI standard rating conditions: 95°F outdoor and 80°/67° indoor (80°F dry bulb and 67°F wet bulb).
** Efficiency claim based on comparison of highest Designated Tested Combination SEER of the SL25XPV as compared to the Designated Test Combination SEER of the competitive variable capacity compressor units as published in AHRI (June 2021). Actual system combination efficiency may vary; consult AHRI for exact system efficiencies. Precision claim based on the average cooling capacity range of the SL25XPV as compared to the average cooling capacity range of the competitive variable capacity compressor units based on published competitive data (June 2021). Cooling capacity ranges calculated across 2, 3, 4 and 5 tonnage at maximum and minimum speed at ARI standard rating conditions: 95°F outdoor and 80°/67° indoor (80°F dry bulb and 67°F wet bulb).
*** Efficiency claim based on comparison of air conditioning and heat pump products' SEER as published in AHRI (January 2015). Actual system combination efficiency may vary; consult AHRI for exact system efficiencies. Precision claim based on the cooling capacity range of the XC/XP25-036 units as compared to equivalent-sized competitive variable capacity compressor units.
† Efficiency ratings established per AHRI’s test standard: ANSI/AHRI 210/240-2017 of two-stage central AC/HP equipment as published in AHRI (December 2019).

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Heat Pumps

Perfect inside, no matter what’s outside

Perfect inside, no matter what’s outside

True comfort is Precise Comfort®

Great savings happen when two energy sources work together

Stay comfortable—and asleep

Stay comfortable—and asleep

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Price

Series

See what homeowners are saying about Lennox® Heat Pumps

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True comfort is Precise Comfort^®

See what homeowners are saying about Lennox^® Heat Pumps