- What is the difference between the Lennox Equipment Limited Warranty and the Lennox 10-Year Extended Limited Warranty Program?
- What is AHRI?
- Why can't I purchase Lennox products online?
- What is the difference between R-22 and R-410A refrigerants?
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- What's so special about Lennox Dealers?
- What does ISO 9000 mean?
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- How can I compare one Lennox® product to another?
- What is the difference between an ARI and AHRI?
FREQUENTLY ASKED QUESTIONS
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