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Old 09-22-2020, 4:32am   #15
Uncle Meat
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I've been using 3M #2200 filters in my HVAC system since I purchased the house new in 2000. I change them out every 90 days. The cheap HVAC system installed in my home when it was built lasted 17 years. I think adding a 700 sq. ft sunroom to the house in 2015 finally did it in. The system was in the attic of our home in central Alabama where it had to operate in a 115+ degree environment during the summer months. I had it replaced with an American Standard 16.5 SEER model. The guys who did the install work couldn't believe how clean my ductwork was and stated it didn't require any work or replacement.

I'll continue to spend a couple extra bucks for the 3M filters.

U.M.
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