AHR Expo Preview
www.supplyht.com/articles/101900-lennox-gas-furnace-ahr-expo-preview

Lennox gas furnace (AHR Expo Preview)
January 16, 2019
The Lennox SL280NV ultra-low NOx furnace produces 65% lower NOx emissions than standard low NOx furnaces, offering the ultimate in comfort and emissions compliance, Lennox states.
Lennox. www.lennox.com