SL28XCV​​ Lennox Air Conditioner – Up to 28 SEER, Variable-capacity

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This premier air conditioner delivers an efficiency rating of up to 28 SEER. No other air conditioner comes close to this level of efficiency while delivering consistently perfect air.

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SL28XCV​​​​ Lennox Air Conditioner

Not only is the SL28XCV​​ Lennox Air Conditioner part of the Dave Lennox Signature® Collection, it’s part of the Ultimate Comfort System™, which combines the best of everything Lennox has to offer to create an unprecedented whole-home comfort system that seamlessly and intelligently works together to stay finely tuned to your home and deliver consistently clean, perfect air.

  • 2 through 5 ton
  • Sound levels as low as 56 dBA
  • Single-phase power supply
  • Applicable to indoor air handlers or gas furnaces with indoor add-on coils
  • Shipped completely factory assembled, piped, and wired


Cooling Savings

Heating and cooling can account for about half of a home’s total utility bill. By upgrading to a high-efficiency system, you can cut your energy costs while keeping your family perfectly comfortable. See how much money could be saving with a SL28XCV​​ Lennox air conditioner.

Save per year*
5-year savings 10-year savings 15-year savings
$1,020 $2,040 $3,060
*based on national average

Quantum™ Coil

With years of rigorous testing under the most extreme conditions, Quantum Coil–featuring a proprietary aluminum alloy exclusive to Lennox–is designed to weather the harshest elements.

Consistently Perfect

Precise Comfort® technology adjusts cooling output in precise and minute increments to perfectly match your energy use with your comfort.

Beyond Quiet

This air conditioner has been engineered with a variable-capacity compressor which allows it to primarily run in low speed—drastically minimizing the sound of air kicking on or off inside the home. Add in a special sound-dampening system to absorb outdoor noise and you can be assured it operates at a noise level that is, quite simply, unheard of.


SL28XCV​​ Lennox Air Conditioner – Energy Star® Qualified

This premier air conditioner delivers an efficiency rating of up to 28 SEER—no other air conditioner comes close to this level of efficiency. It’s truly the very top of top-tier.

Most Efficient ENERGY STAR® certified products in 2021

This air conditioner has also been designated as one of the Most Efficient ENERGY STAR® certified products in 2021. Products that are recognized as the Most Efficient of ENERGY STAR in 2021 prevent greenhouse gas emissions by meeting rigorous energy efficiency performance levels set by the U.S. Environmental Protection Agency.


Lennox Warranty

Perfect comfort is comfort that brings you peace of mind. That’s why we stand behind our innovative heating, cooling and indoor air quality products with industry-leading warranty coverage. 10-Year Limited Warranty on covered components including compressor.


Home Comfort System

Every Lennox® product has been engineered to deliver best-in-class comfort and efficiency. And when two or more Lennox products are working together as part of a system, the results are truly outstanding.

Your home comfort system is essential to keeping you warm in the winter and cool in the summer. It also helps protect you from allergens and pollutants year round. A home comfort system is made up of Air Conditioner and: Furnace, Thermostat and Indoor Air Quality.


Lennox SL28XCV Air Conditioner Price, and Installation Cost

When older AC units breakdown, it may make a lot more sense (and cents!) to replace your old unit rather than invest in additional costly repairs. With huge leaps in technology allowing for even more efficiency each year, newer AC systems will lower your energy bills and keep your home at a more consistent temperature and humidity level.

At GSHA Services, LTD we’ve been installing AC units for over 20 years. Our highly trained installation technicians are experts at sizing the proper AC unit for your home and are happy to review any efficiency vs. price point questions you may have.

When it comes time to replace your AC system, call our experts today for an honest, affordable quote. Our highly trained technicians will not only ensure your unit is sized and installed properly, we stand by our installations with 24/7 emergency AC service should an issue arise to give you guaranteed peace-of-mind.

We can offer homeowners next day installation so you can start enjoying cool, humidity free air in your home as soon as possible. Call us today or fill out the request for installation form on this page to schedule your free estimate on a new AC system.

Additional information



ENERGY STAR® Certified



Up to 28 SEER

Stages of Cooling


Sound Rating

59 dB