Window fans can be tipped on end. They make horizontal models
which work fine vertical.

If there is such a switch as [auto - fan on], put it on fan on to
see if that helps. On the thermostat.

--

Christopher A. Young
You can't shout down a troll.
You have to starve them.
..

"Jay-n-123" wrote in message
news:Hvu4i.2125$ky6.1105@trnddc02...
: What it really sounds like is that your current AC isn't
working right and
: the house isn't insulated/vented well enough to keep the heat
from coming
: in.
:
: It's a one zone system for two floors, and so the upstairs is
warmer.
:
: If all you want is a bandaid, why not just install a window
fan. Like you
: said, the night air is cooler, so that should do the job.
:
: How I would install a window fan in a casement window? The
portable AC
: could be installed using a piece of plexiglas, but not sure how
a window fan
: could be installed.
:
: J.
:
: