All the a/c maintenance / efficiency blurbs talk about changing filters,
without specifying whether they mean some filter built into the a/c, or the
central system filter that is used by the furnace too (or both).
I couldn't find a filter in the meager literature that comes with our a/c,
or that I could see on the a/c unit.
Is it there a filter on some/all a/c units, or are they refering to the
regular central air filter?
Without seeing precisely what you're looking at one can't be positive,
but I believe they mean what you're referring to as the "regular" one.
That's the only filter I change, FWIW.
The only other thing that I'm aware of that might possibly be referred
to as a filter is more in the nature of a dessicant canister, and
changing it (if that were ever even advisable, which I doubt) is a major
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I am facing the same problem. Have you found out how to get to the
filter in the room air conditioner? We got our AC second hand without
the manual. But I figure the filter needs change since it is not very
efficient. But I have no idea how to get to the filter, and what kind
of filter replacement we will need.
Kurt Gavin wrote:
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