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[Energy-Efficient Products] You’ll find the Good Housekeeping Seal on most Lennox® products. All Seal-bearing products are backed by the magazine’s two-year limited warranty for replacement or refund if defective. Learn more [Product Reviews] Replacing only one part of a split system (the indoor or the outdoor unit) may result in a mismatch that compromises energy efficiency. Learn more [Product Selector] 
When you choose ENERGY STAR® qualified heating and cooling products, you’re making a smart decision that can save you money on your utility bills. Lennox offers a full line of products with the ENERGY STAR label. Learn more
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