XC21 Quietest and most efficient Air Conditioner Efficiency Rating up to 21.2 SEER Two Stages of Cooling Dave Lennox Signature Collection Product!
XC14 Efficiency Rating up to 16.2 SEER Single Stage
13ACX Efficiency Rating up to 13 SEER
Lennox XC17 Quietest and most efficient Single Stage Air Conditioner Efficiency Rating up to 18 SEER Dave Lennox Signature Collection Product!