oil film on a/c filter, what could be causing this?
I cleaned my filter on my a/c unit, and it had a oil film on it, have a roof a/c on my Itasca, 2006 motorhome. a/c works fine, any suggestions would be appreciated. Tom
Forum Discussion
RV ACs don't bring air in from outside, they recirculate the inside air, so as stated above it has to come from cooking I would think.
