Dave Lennox Signature® Collection XC21 Air Conditioner


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"The most quiet and efficient a/c you can buy."

Quiet Operation

  • Approx. 13 times quieter than a standard or traditional air conditioners.
  • SilentComfort™ technology – Delivers the ultimate in quiet, consistent cooling.
  • Patented silent comfort fan grill and fan blade technology provides smooth, quiet cooling.
  • Insulated compressor compartment minimizes vibration with innovative materials.

Home Comfort

  • Compatible with the exclusive Humiditrol® whole-home dehumidifier system - air quality you can feel!
  • Copeland Scroll Ultra Tech™ Two-Stage Compressor – Runs at low speed 80% of the time, which means less expensive to operate and more consistent comfort

Energy Efficiency

  • Efficiency ratings of up to 20.50 SEER – Nearly twice as efficient as a standard air conditioner
  • ENERGY STAR® qualified — Meets or exceeds EPA guidelines for energy efficiency
  • Two stage operation provides optional performance and efficiency.
  • Variable speed direct drive motor provices energy efficient, ultra quiet operation.

Environmentally Responsible

  • Chlorine-free R410A refrigerant – Provides exceptional comfort without the risk of harming the ozone.

Reliable Performance

  • SmartHinge™ Louvered Design – Allows quick, easy access to interior components from all sides for cleaning and maintenance. Protects coils from damage and provides clean appearance
  • Lennox® System Operations Monitor – First onboard cooling system diagnostics in the industry — Continuously monitors system performance
  • 10-Year Limited Warranty on compressor and covered components
  • This product has earned the prestigious Good Housekeeping Seal