Ideal for homes in northern regions, Lennox ® boilers integrate easily with existing radiator or under-floor heating systems for energy-efficient comfort, all winter long. With efficiency ratings of up to 00% AFUE, Lennox boilers can help you save hundreds of dollars each year in utility bills, compared to older and standard- efficiency boilers.Learn More Boilers: Burnham, Weil-McLain, Slant/Fin, Lochinvar 