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Frequently Asked Questions

Frequently Asked Questions

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Lennox HVAC System Filters

Where can I purchase air filters?

You can purchase replacement filters from your Lennox Dealer. Some filters are not recommended by Lennox for use with Lennox heating and cooling equipment because they may be too restrictive and cause system malfunctions. Your Lennox Dealer can help you choose the best filter for your HVAC system and needs.

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