FREQUENTLY ASKED QUESTIONS
"Most Efficient And Quietest Furnace You Can Buy."
®The quietest and most efficient furnace you can buy*!
The next time you see another manufacturer's furnace claiming to be the "quietest," you'll likely also see the claim fails to reference what unit was tested, how it was tested or by what standard it was tested. All Lennox sound claims include a disclosure explaining what Lennox® product was tested, as well as the testing standard used.