What is the average cost of a new Lennox furnace?

Written by Editorial Team | Last Updated: August 2026

Purchasing and installing a new Lennox furnace typically involves total costs ranging from USD 3,000 to USD 7,000 or more, depending heavily on the specific model tier, efficiency rating, and heating capacity required for the home. High-efficiency modulating gas furnaces equipped with advanced variable-speed blowers command premium price points at the upper end of that spectrum. Homeowners must also factor in auxiliary expenses such as professional installation labor, ductwork modifications, and local permit fees when budgeting for a complete heating system replacement.

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