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Dave Lennox Signature Collection XC21 Multi-Stage Air Conditioner


The XC21's multi-stage scroll compressor allows it to fine-tune your cooling, humidity levels, and energy use by matching output to demand.

  • Up to 21.00 SEER
  • Energy Star Qualified
  • 10-Year Limited Warranty on covered components including compressor
  • Humiditrol® - Whole-home dehumidification system
  • SilentComfort™ Technology
  • Quantum Coil™
  • Variable Speed
  • iComfort Enabled
  • 2 Ton - Call for lowest price
  • 3 Ton - Call for lowest price
  • 4 Ton - Call for lowest price
  • 5 Ton - Call for lowest price

Two-Stage Operation with Enhanced Humidity Control.

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.

An energy-smart decision you’ll appreciate every day. With efficiencies of up to 21.00 SEER, the XC21 can lower your energy bills by hundreds of dollars a year, while still keeping your home cool and quiet.

Leading the way in smart energy use! Advanced engineering in the XC21 means enjoying smart, energy-efficient comfort all year long. This product has been designated as one of the Most Efficient ENERGY STAR certified products in 2018. Products that are recognized as the Most Efficient of ENERGY STAR in 2018 prevent greenhouse gas emissions by meeting rigorous energy efficiency performance levels set by the U.S. Environmental Protection Agency.

You’ll hardly know it’s running. The XC21 uses SilentComfort™ technology to reduce operating noise, making it the quietest multi-stage air conditioner you can buy. Even when installed outside a bedroom window, it lets you rest peacefully.

SunSource® Home Energy System

Because it’s solar ready, the XC21 can be easily combined with solar roof modules in a SunSource® Home Energy System. This means it can use free energy from the sun to keep your home cool.

High-Efficiency Outdoor Coil

Specially designed for maximum heat transfer and low air resistance.

Additional Savings

The XC21 can potentially qualify you for federal energy tax credits and local utility rebates.