Quote:
Originally Posted by retiredguy123
While potentially true, I have had no issues using the MERV 11 filters. These filters reduce both dust and noise in the house. No problem with air flow. I recommend them over the MERV 8 filters.
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When Munn's installed our new Carrier HVAC, it used MERV 11 filter
and recommended to change very 12 months.
Remember, those units don't run much for 6 months in the winter