Model:  XC21

The Lennox XC21 is a multi-stage air conditioner.

It is considered the quietest and 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. By working with the Humiditrol® whole-home dehumidification system, the XC21 can preserve your comfort in every way. With efficiencies of up to 21.00 SEER, it can also lower your energy bills by hundreds of dollars a year. This product has been designated as one of the Most Efficient ENERGY STAR certified products in 2017. And, because the XC21 uses SilentComfort™ technology to reduce operating noise, it is 20% quieter than the standard, making it the quietest multi-stage air conditioner you can buy.

Cooling Efficiency: Up to 21 SEER

Seasonal Energy Efficiency Ratio (SEER) is an energy efficiency rating for air conditioners. The higher the SEER, the more efficient the unit. *Efficiency rating may vary, value specified is the highest rated value.

Sound Rating: 69 dB

A decibel (dB) is a unit used to measure the relative intensity of sound. For example, sound levels in a library are normally about 40 dB, normal conversations range from about 50 to 60 dB, and an operating motorcycle or garbage truck can be as high as 100 dB.

Two-Stage Compressor

An AC or heat pump compressor is the part of an outdoor air conditioner or heat pump that compresses and pumps refrigerant to meet household cooling requirements.