Protech Northland Heating & Cooling

Product Overview

Dave Lennox Signature® Collection XC21 Air Conditioner

The most quiet and efficient central air conditioner you can buy


Quiet Operation

·                     Sound levels as low as 69 dB

·                     Approx. 13 times quieter than a standard air conditioner

·                     SilentComfort™ technology – Delivers the ultimate in quiet, consistent cooling 

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Home Comfort

·                     Optimized for use with the exclusive Humiditrol® whole-home dehumidification system - indoor air quality you can feel!

·                     Two-Stage Scroll 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
NOTE: Proper sizing and installation of equipment is critical to achieve optimal performance. Split system air conditioners and heat pumps must be matched with appropriate coil components to meet ENERGY STAR criteria. Ask your Lennox dealer for details or visit


Environmentally Responsible

·                     Chlorine-free R410A refrigerant – Provides exceptional comfort without exacting a costly environmental toll


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

Commercial, Residential
Design, Sales, Service & Installation




694 Moon Road - Columbus, Ohio 43224

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