Air Conditioners

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Exacting precision makes Lennox® air conditioners among the quietest and most energy-efficient units you can buy.

mother and child laughing Explore the precision of Lennox® Air Conditioners
Illustration of True comfort is Precise Comfort<sup>®</sup>

True comfort is Precise Comfort®

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.

See more about how it works

Perfect degree of cool

There's cool, and there's perfectly cool. Many Lennox® air conditioners make the distinction with two-stage technology.

Perfect degree of cool

Efficiencies beyond compare

All Lennox air conditioners are engineered for efficiency.

The most advanced technologies available

Air conditioners from the Dave Lennox Signature® Collection have the ability to modify cooling based on the climate in your area. When paired with an iComfort® S30 thermostat, these air conditioners adapt to your routine and adjust temperatures accordingly.

The most advanced technologies available

This air conditioner runs so quietly we cannot even hear when it turns on!

-Mandh, Colorado

Powerfully silent

With such powerful cooling capacities, you’d expect Lennox air conditioners to be loud. But they aren’t. Thanks to SilentComfort™ technology, they’re among the quietest in their class

Powerfully silent
Lennox® air conditioners are amongst the quietest and most energy efficient units on the market. Delivering perfectly precise comfort control, Lennox air conditioners continually make small adjustments in fan speed and cooling output to hold your temperature exactly where you want it. Offering industry-leading efficiencies of up to 26.00 SEER, Lennox air conditioners can help you save hundreds of dollars every year in utility costs. And since some of the units are ENERGY STAR® certified, they may even qualify you for federal energy tax credits and local utility rebates. In addition, a number of Lennox air conditioners work with iComfort® S30 and iComfort® E30 smart thermostats, giving you even more control over your home’s comfort—whether you are at home or away. 
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air conditioner
Dave Lennox Signature® Collection

Highest-efficiency, fully digital, variable-capacity air conditioner compatible with 2025 Compliant Refrigerant

Rating:
Efficiency Rating (SEER2):
up to 25.10
Sound Rating:
58
ENERGY STAR® Qualified:
ENERGY STAR logo
Price Guide:
$$$$
SL28XCV Thumbnail
Dave Lennox Signature® Collection

The most precise and efficient air conditioner available *

Rating:
Efficiency Rating (SEER):
up to 28.0
Sound Rating:
59
ENERGY STAR® Qualified:
ENERGY STAR logo
Price Guide:
$$$$
XC21 Air Conditioner
Dave Lennox Signature® Collection

The most efficient two-stage central air conditioner you can buy **

Rating:
Efficiency Rating (SEER):
up to 21.0
Efficiency Rating (SEER2):
up to 19.2
Sound Rating:
69
ENERGY STAR® Qualified:
ENERGY STAR logo
Price Guide:
$$$
Availability:
Regional
air conditioner
NEW! Elite® Series

High-efficiency, digital-ready, variable-capacity air conditioner compatible with 2025 Compliant Refrigerant

Rating:
Sound Rating:
55
ENERGY STAR® Qualified:
ENERGY STAR logo
Price Guide:
$$$
Elite® Series

High-efficiency, digitally-enabled, variable-capacity air conditioner

Rating:
Efficiency Rating (SEER):
up to 22.0
Efficiency Rating (SEER2):
up to 22.4
Sound Rating:
59
ENERGY STAR® Qualified:
ENERGY STAR logo
Price Guide:
$$$
XC20 Air Conditioner
Elite® Series

High-efficiency air conditioner with true variable capacity

Rating:
Efficiency Rating (SEER):
up to 22.0
Efficiency Rating (SEER2):
up to 20.2
Sound Rating:
65
ENERGY STAR® Qualified:
ENERGY STAR logo
Price Guide:
$$$
EL18XCV Air Conditioner
Elite® Series

Truly variable. Truly digital.

Rating:
Efficiency Rating (SEER):
up to 18.0
Efficiency Rating (SEER2):
up to 18.8
Sound Rating:
72
ENERGY STAR® Qualified:
ENERGY STAR logo
Price Guide:
$$
air conditioner
NEW! Elite® Series

Mid-efficiency, single-stage air conditioner compatible with 2025 Compliant Refrigerant

Rating:
Sound Rating:
72
ENERGY STAR® Qualified:
ENERGY STAR logo
Price Guide:
$$
air conditioner
NEW! Elite® Series

Mid-efficiency, single-stage air conditioner compatible with 2025 Compliant Refrigerant

Rating:
Efficiency Rating (SEER2):
up to 15.20
Sound Rating:
71
ENERGY STAR® Qualified:
ENERGY STAR logo
Price Guide:
$$
Availability:
Regional
EL16XC1 Air Conditioner
Elite® Series

Standard-efficiency, single-stage air conditioner

Rating:
Efficiency Rating (SEER):
up to 17.0
Sound Rating:
71
ENERGY STAR® Qualified:
ENERGY STAR logo
Price Guide:
$$
EL17XC1 Air Conditioner
Elite® Series

Mid-efficiency, single-stage air conditioner

Rating:
Efficiency Rating (SEER):
up to 18.6
Efficiency Rating (SEER2):
up to 17.4
ENERGY STAR® Qualified:
ENERGY STAR logo
Price Guide:
$$
XC13 Air Conditioner
Elite® Series

Reliable and efficient air conditioner

Rating:
Efficiency Rating (SEER):
up to 16.0
Sound Rating:
74
Price Guide:
$$
Availability:
Regional
Merit® Series

Standard-efficiency, single-stage air conditioner

Rating:
Efficiency Rating (SEER):
up to 17.0
Efficiency Rating (SEER2):
up to 16.2
Price Guide:
$
air conditioner
NEW! Merit® Series

Mid-efficiency, two-stage air conditioner compatible with 2025 Compliant Refrigerant

Rating:
Efficiency Rating (SEER2):
up to 17.90
ENERGY STAR® Qualified:
ENERGY STAR logo
Price Guide:
$
air conditioner
Merit® Series

Mid-efficiency, two-stage air conditioner

Rating:
Efficiency Rating (SEER):
up to 18.0
Efficiency Rating (SEER2):
up to 17.8
ENERGY STAR® Qualified:
ENERGY STAR logo
Price Guide:
$
16ACX Air Conditioner
Merit® Series

Affordable, efficient cooling

Rating:
Efficiency Rating (SEER):
up to 18.0
ENERGY STAR® Qualified:
ENERGY STAR logo
Price Guide:
$
Availability:
Regional
air conditioner
NEW! Merit® Series

Standard-efficiency, single-stage air conditioner compatible with 2025 Compliant Refrigerant

Rating:
ENERGY STAR® Qualified:
ENERGY STAR logo
Price Guide:
$
air conditioner
NEW! Merit® Series

Standard-efficiency, single-stage air conditioner compatible with 2025 Compliant Refrigerant

Rating:
Efficiency Rating (SEER2):
13.40
ENERGY STAR® Qualified:
ENERGY STAR logo
Price Guide:
$
Availability:
Regional
ML14XC1 Air Conditioner
Merit® Series

Efficient, durable air conditioner

Rating:
Efficiency Rating (SEER):
up to 17.0
Efficiency Rating (SEER2):
13.4
Sound Rating:
73
ENERGY STAR® Qualified:
ENERGY STAR logo
Price Guide:
$
Availability:
Regional
13ACX Air Conditioner
Merit® Series

Affordable, efficient cooling

Rating:
Efficiency Rating (SEER):
up to 13.0
Sound Rating:
76
Price Guide:
$
Availability:
Regional
  • * Efficiency claim based on comparison of the average SEER of the SL28XCV as compared to the average SEER of the competitive variable capacity compressor units as published in AHRI (December 2020). Actual system combination efficiency may vary; consult AHRI for exact system efficiencies. Precision claim based on the average cooling capacity range of the SL28XCV as compared to the average cooling capacity of the competitive variable capacity compressor units (December 2020). Averages calculated across 2, 3, 4 and 5 tonnage.
  • ** 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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