Lennox Furnaces - Four Seasons Air Control

LENNOX® FURNACES

Lennox^® furnaces are some of the most efficient and quietest heating systems you can buy*. They’re engineered for perfect warmth and savings.

Select options This product has multiple variants. The options may be chosen on the product page

Select options This product has multiple variants. The options may be chosen on the product page

Select options This product has multiple variants. The options may be chosen on the product page

Select options This product has multiple variants. The options may be chosen on the product page

Select options This product has multiple variants. The options may be chosen on the product page

*Based on sound pressure levels during steady-state, high-fire and low-fire operation of Lennox^® SLP99UH070XV36B as of March 2020 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 SLP99UH090XV60C and leading competitive units listed in AHRI directory as of December 2019. Efficiency ratings established per test standard ANSI/ASHRAE 103-1993.