The quietest and most efficient single-stage heat pump you can buy

Here are some of the top features of the XP21($$$):

Efficiency rating of up to 19.20 SEER / 9.70 HSPF can save you hundreds of dollars each year*, compared to a standard heat pump.

ENERGY STAR® qualified which means it meets or exceeds EPA guidelines for energy efficiency.

ENERGY STAR Most Efficient 2013 LogoThis product has been designated as one of the Most Efficient ENERGY STAR qualified products in 2014. Products that are recognized as the Most Efficient of ENERGY STAR in 2014 prevent greenhouse gas emissions by meeting rigorous energy efficiency performance levels set by the U.S. Environmental Protection Agency.

  • Stages of Cooling:  Single-Stage
  • Sound Rating: As low as 67 dB
  • SilentComfort™ Technology
  • Solar-Ready Design
  • Environmentally Responsible : R-410A refrigerant and Solar Ready
  • PermaGuard™ Cabinet and SmartHinge™ Louver Design Cabinet
  • On-board Diagnostics uses iComfort®-enabled technology
  • Full line of Scroll Compressors

 

Warranty:
  • 10-Year Limited Warranty on covered components including compressor.

 

An essential part of a high-efficiency home

With a SEER of up to 18.50 and an HSPF of up to 10.20, the SL18XP1 can save you hundreds of dollars per year in energy bills through all types of weather.

Solar ready, for the highest possible energy savings

Since it’s part of the Dave Lennox Signature® Collection, the SL18XP1 can be easily combined with solar roof modules in a SunSource® Home Energy System. This means it can drastically cut your utility bills and make you eligible for a federal tax credit.

Working quietly in the background

Innovative SilentComfort™ technology combines thick insulation, vibration resistance and a specially shaped fan blade to greatly reduce sound levels.

Powerful energy savings

Innovative SilentComfort™ technology combines thick insulation, vibration resistance and a specially shaped fan blade to greatly reduce sound levels.

Dependable performance, even in harsh conditions

The condenser coil is the part of the unit that draws hot air from inside your home and releases it outside. The Lennox Quantum™ coil handles the heat like no other. It’s constructed from aluminum alloy, helping it resist corrosion in harsh conditions like coastal environments.


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