FREQUENTLY ASKED QUESTIONS
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.
When should I change my air filter?
Every month, you should inspect or clean your air filter, or replace it if necessary, to keep your equipment running at peak efficiency.
Get answers from a Lennox® Dealer.
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