Quote:
Originally Posted by eyc234
It is the return air area for your a/c. Pull out your filter and you can look down in the area. Ours is fully insulated with insulation. Not sure about yours but just take out the filter and see if the bottom is open. Do not think in this case it would be wise to open up and use for storage.
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Due to a clog in the line we recently had occasion to open it up and found a nice pool of water had collected down there.