Offering industry-leading efficiencies, Lennox furnaces can help save you hundreds of dollars in utility costs every year. Some Lennox furnaces are ENERGY STAR® certified, which may qualify you for federal energy tax credits and local utility rebates.

Lennox gas furnaces are the most reliable and efficient heating systems on the market. HVAC professionals can shop our selection of residential gas furnaces online today.

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Lennox oil furnaces are the perfect solution for reliable, energy-efficient residential heating. Shop now on LennoxPros. Find the best residential oil furnaces at LennoxPros.com - the official Lennox website. Choose from a variety of models that fit your homeowners' needs and budget.

Use our selector tool to find the perfect heating and cooling products for your comfort needs. Enter your postal code to find a Lennox ® Dealer in your area who can take care of your home comfort needs, or view a list of all Lennox Dealers.

Lennox furnaces are the most reliable and efficient on the market. Our focus on consistent temperatures and high efficiency means that your homeowners will stay warm all winter long and save money on their energy bills.