The SL297NV features a revolutionary design that produces 65% lower NOx emissions than standard furnaces, a variable-speed blower motor for consistent and efficient air flow, and rigorous testing for ultimate reliability. It is part of the Dave Lennox Signature Collection and can be integrated with other products for the Ultimate Comfort System.
The Lennox SL297NV comes with a 10-Year Limited Warranty on covered components, with furnace heat exchangers offering either 20-Year or Lifetime Limited Warranties for added peace of mind.








