Customer Support

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At Lennox, we’re committed to supporting our customers in every way possible. That commitment extends to our website, where you can access a wide range of service and support functions at your convenience—whenever and wherever you need.

Want to connect with us now? Call 800.4.LENNOX for our customer support center or contact a Lennox Sales Representative.

For further assistance, please select from the following service links to access additional information on these and other topics.

Technical Documents

Technical documents for all of our commercial products are available here.

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It’s our guarantee to provide you with years of dependable performance while protecting your investment and ensuring your peace of mind.

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Product Literature

Get detailed information on Lennox® commercial products with comprehensive materials.

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Technical Support

Providing you with complete resources and support is the central focus of the Lennox tech support team.

Conveniently available to assist you on technical issues, service questions, parts ordering or pricing, members of this team can be reached at 800-4-LENNOX.

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