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Lennox XC21 Air Conditioner Overview

One of the most quiet and efficient air conditioners you can buy!

BRAND: Lennox

MODEL: XC21 Air Conditioner

REFRIGERANT: R-410A, environment and ozone friendly.

SIZES: XC21-024 (2 Ton), XC21-036 (3 Ton), XC21-048 (4 Ton) and XC21-060 (5 Ton)

DIMENSIONS (INCHES) (L X W X H): 39 1/2″ X 35 1/2″ X  47″ (2, 3, 4 & 5 Ton),

EFFICIENCY: up to 21.20 SEER

COMPRESSOR: Copeland  full variable speed scroll compressor

SOLAR: Yes, solar-ready with SunSource components (order separately)


  • Two-stage scroll compressor
  • Non-chorine, ozone friendly R-410A refrigerant
  • Copper tube construction with enhanced ripple-edged aluminum fins
  • Super-quiet outdoor fan with SilentComfort technology
  • Variable-speed outdoor fan motor
  • Specially designed fan blade for reduce operating sound levels
  • PVC coated, steel  fan guard
  • Fully serviceable brass service valves
  • Factory installed, hi-capacity liquid line drier
  • Heavy-gauge galvanized steel cabinet with powder paint finish
  • SmartHinge louvered coil protection
  • Compressor and control box located in a separate compartment, insulated with thick fiberglass insulation for reduced operating sound levels

INDOOR AIR QUALITY ACCESSORIES AVAILABLE: Compatible with all Lennox air quality products including the CarbonClean16, PureAir, HC10, HEPA and UV germicidal lights .

THERMOSTATS SUPPORTED: Lennox Wi-FI icomfort & comfortsense 7000 thermostat controllers and zone controllers.

ENERGY STAR PRODUCT: Yes, XC21 meets the Energy Star guidelines for energy efficiency.

WARRANTY INFORMATION:  Limited 10 year compressor and 10 year parts warranty upon registration within 90 days of original owner (Residential installations only). Manufactures extended warranties are available.

For more information and a XC21 product demo, please visit Lennox XC21 website.

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