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Regular filter replacement

I have four filters in my house for my AC system. How often should I change them? I had service from one company who recommended I put one 4" filter in the garage under the unit, but recently another, highly rated company, with a published coupon, cautioned against this. Please advise

Jean Nordstrom

Cape Coral, Florida

Responses

Great question and one that is frequently asked. A 4" filter will remove smaller particulates than A 1" filter. Most filters have a MERV Rating. The higher the Raring the smaller the particles it will remove. Its always best to have the filter closer to the air handler. Honeywell has a great selection to choose from.

Hearth & Home

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Melbourne, FL

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