Welcome to a new era of ULTRA – ENERGENCE ULTRA Rooftop Unit by LENNOX

Energence® Ultra-High-Efficiency rooftop units deliver ultra innovation on every count.  With units available for 3- to 20-ton applications, this high-efficiency lineup features advanced blower and compressor technologies that allow the units to perform at optimal levels throughout the year, even in extreme weather conditions.  This can translate to substantial operational cost savings over the life of the system.


The Most Efficient Rooftop Units in Their Class*

  • Up to 23.5 SEER, 15 EER, and 22 IEER – the highest on the market today*
  • Exceeds ASHRAE 90.1 2010 by up to 96%
  • Exceeds ASHRAE 90.1 2013 by up to 73%
    * Efficiency based on AHRI directory, June 15, 2016

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