Perfect comfort is something we want you to experience long after you’ve purchased your Lennox® product. That’s why we offer a collection of resources that make it as easy as possible for you to get the answers and support you need.

My dealer told me that my system qualifies for the extended limited warranty. Why did Lennox deny it?

If you have questions, you can call us at 1-800-953-6669. Your extended limited warranty was denied because of one or more of the following:
  • Your unit is not a Lennox-branded product.
  • Your unit is not installed in a residential application which is defined as an owner occupied, single-family residence.
  • Your unit was not registered within 60 days of the original date of installation.
  • Your unit is not part of a complete AHRI-matched system.
  • Your unit was installed prior to March 1, 2009.
  • Your unit was not installed by a licensed, professional installer.
  • You did not provide all of the required information.
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