Lennox® Products

XC21 Air Conditioner

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

The XC21’s multi-stage operation allows it to fine-tune your cooling, humidity levels and energy use by matching output to demand. Humidity levels can drastically affect how the air in your home feels. It can make the air feel up to 8 degrees warmer than the actual temperature. By working with the Humiditrol® whole-home dehumidification system, the XC21 can preserve your comfort in every way.

Product Literature



Eligible for warranty: false
Qualifies for Tax Credit: true

Product Specs

Model Name: XC21 Air Conditioner

Model Number: XC21

Series: Dave Lennox Signature® Collection

Price: $$$

Energy STAR Qualified:true

Energy STAR South Qualified: false

Warranty: 10-Year Limited Warranty on covered components including compressor

Disclaimer: Efficiency ratings established per AHRI’s test standard: ANSI/AHRI 210/240-2017 of two-stage central AC/HP equipment.
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