I've serviced a couple dozen (or more?) window AC. And none of them took all
the air from outdoors to blow indoors. Some have a small trapdoor.

--

Christopher A. Young
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"Dan C" wrote in message
news On Wed, 13 Apr 2005 07:26:22 -0400, Julie P. wrote:

1) Do window A/C units, when set on the fan only setting, blow fresh air
in
from the outside, like a regular box window fan, or recirculate air from
the
inside?

Should be from the outside. Some units have a selector switch for
fresh/recirculate.