Furnaces

Innovations like Precise Comfort® technology help Lennox® furnaces keep temperatures perfectly consistent, even on the coldest days. So instead of thinking about getting through the winter, you can now focus on enjoying it.

Lots of warmth, little fuel wasted.
Lennox furnaces are engineered to deliver unprecedented efficiency. Energy ratings of up to 98.7% AFUE can save you hundreds of dollars each year on utility bills*.

Technology that gives you peace.
Thanks to SilentComfort™ technology, sound is no longer a barrier to home comfort. Experience perfect warmth, in perfect peace and quiet.

*Based on sound pressure levels during steady-state, high-fire and low-fire operation of Lennox SLP98UH070XV36B and leading competitive units as of July 2013 at mid-point temperature rise and minimum external static pressure when set up per Section 4.4.4 of AHRI 260-2012. Based on AFUE efficiency rating of Lennox SLP98UH090XV60C and leading competitive units listed in AHRI directory as of March 2015. Efficiency ratings established per test standard ANSI/ASHRAE 103-1993.