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Old 02-18-2011, 10:53 AM   #1
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Lennox Furnace filters


Are there significant benefits to installing the 5" vs the 1".

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Old 02-18-2011, 11:20 AM   #2
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Lennox Furnace filters


The 5" filters make your wallet a lot lighter!

If you change your furnace filter regularly (monthly) go with an inexpensive pleated filter.

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Old 02-18-2011, 11:42 AM   #3
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Lennox Furnace filters


what size (L x W) are you currently using, and what is the tonnage/CFM you are running.

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Old 02-18-2011, 04:54 PM   #4
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Lennox Furnace filters


A 5" MERV 10 filter lasts a year in most homes and costs around $30. A MERV 16 is 4 times that much and will fill up faster since it traps super fine partical that pass right through a normal filter. Unless you have health issues that require living in a clean room a MERV 16 is overkill. Because of the larger surface area of a 5" filter they are less restrictive then the same MERV rated 1" filter.
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Old 02-19-2011, 03:01 AM   #5
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Good for your equipment and good for your air quality to use a 4" filter
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