Quote:
Originally Posted by Tvflguy
Question for those in the know. We have a 10 year old Designer. The Return vents in the ceiling seem to have no filters.
Do newer or older homes here have any? The only filter we have is directly in the Air Handler.
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You are correct that these are in fact return ducts. They comments about not being returns and are for balancing air flow are both correct and incorrect. They are individual returns that go to a main trunk line return that will go to your air handler. They also are individual returns to allow conditioned air to enter and exit a closed off room. This would be my preferred way to have a system designed and installed by the way.
I like to replace filters quarterly myself. Although they do look like they could easily go 6 months. I figure filters are cheaper than a coil cleaning. Recently we switched to a washable type of filter. I will clean it on a quarterly basis also.