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Lennox XC21 Split Air Conditioner

XC21 Split Air Conditioner

Discover absolute home comfort with the XC21, engineered for quiet and highly efficient operation. Exclusive SilentComfort technology works to maintain a more consistent temperature throughout your home, while helping to keep energy costs under control.

  • The most efficient two-stage central air conditioner you can buy
  • Efficiency ratings of up to 21.2 SEER
  • SunSource Solar-Ready option—allows you to add solar modules and create a solar powered system that generates electricity for your air conditioner and more, reducing energy consumption and utility costs
  • icomfort-enabled technology—allows the air conditioner, when installed with the easy-to-use programmable icomfort Wi-Fi Touchscreen Thermostat, to exchange information and make adjustments as needed to optimize performance and efficiency
  • ENERGY STAR qualified—meets or exceeds EPA guidelines for energy efficiency
  • High-efficiency outdoor coil—provides exceptional heat transfer and low air resistance for high-efficiency operation
  • Federal, state and local tax rebates and incentives may be available with a SunSource solar installation
  • The quietest two-stage central air conditioner you can buy
  • SilentComfort technology delivers sound levels as low as 69 dB, approximately 20% quieter than a standard air conditioner
  • Precision-balanced, direct-drive fan—delivers ultra quiet operation with a patent-pending fan design
  • SilentComfort fan grille—provides vortex suppression to reduce sound of airflow exiting unit
  • Insulated compressor compartment—minimizes operating sounds with innovative, industry-leading materials and sound-isolating mounts
  • Dependable scroll compressor with Silent Comfort technology—provides smooth, efficient and reliable operation
  • Humiditrol whole-home dehumidification system compatible—allowing the system to manage the moisture in your home air for greater comfort and improved indoor air quality
  • Renewable energy resource—delivers environmental benefits when upgraded to a SunSource Home Energy System that turns solar energy into electricity for your home
  • Chlorine-free R-410A refrigerant—provides exceptional comfort without exacting a costly environmental toll
  • Listed in the GreenSpec Directory—a leading resource of environmentally responsible products
  • SilentComfort Outdoor Fan Motor with Composite Fan Blades—provides extremely reliable starting and running performance, even under the harshest outdoor conditions
  • PermaGuard Cabinet—heavy-gauge, galvanized steel construction, louver coil guard, baked-on powder finish and durable zinc-coated steel base provide long-lasting protection against rust and corrosion.
  • SmartHinge louver design—allows quick, easy access to interior components from all sides for cleaning and maintenance. Protects coils from damage and provides clean appearance

MODEL Cooling Cap.
MBtuH
SEER Refrigerant
Charge Oz.
Line Size Dimensions
HxWxD
Weight Lbs.
XC21-024 0.0 21.2 0   47×35.5×39.5 0
XC21-036 0.0 19.7 0   47×35.5×39.5 0
XC21-048 0.0 18.5 0   47×35.5×39.5 0
XC21-060 0.0 16.5 0   47×35.5×39.5 0

Warranty Information

  • Compressor for 120 months –
  • All Parts for 120 months –

Available Documents

What To Expect

Discover the Southside Heating & Air Conditioning Difference

Family Owned and Operated

45+ Years in business

certified and trusted technicians

fast, reliable service

Affordable financing options

transparent pricing

Family Owned and Operated

45+ Years in business

certified and trusted technicians

fast, reliable service

Affordable financing options

transparent pricing

father and 2 children playing on scooter and bike in doorway of their home smiling
father and 2 children playing on scooter and bike in doorway of their home smiling
Our Reviews

See What Your Neighbors Are Saying

I am very happy with the service I obtain from Southside Heating & Air. If I need a tech onsite. The tech is always courteous and provides me with the info needed to resolve the issue promptly.

David S.

David S.

Very professional technicians, knowledgeable, quick to figuring out and fixing my problem. Called me back right away the next morning after I left a message the night before when they were closed. Plus they have the best customer service.

Scott O.

Scott O.

Great experience with Southside Heating and AC. Very much enjoyed working with Mark. They were on time and completed the work the same day for new furnace and AC. No surprises with quoted price to actual. Thanks.

Mike O.

Mike O.

Donald Siefert helped me with the filter in my air conditioner. I had bought a new one a couple months ago and had finally tried to replace it by myself, I didn’t know if I put it in right so I gave Southdside a call and…

Julia S.

Julia S.

Extremely satisfied with Southside. After we were rescheduled/delayed/no-call-no-showed three times by the company that installed HVAC for my new build business, Southside came out to help within HOURS. Super professional, did a very thorough job, showed up exactly when they said they would and made sure…

Rachel J.

Rachel J.

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