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Posted by Noozer on May 22, 2007, 12:15 am
> I'm considering getting an extra portable AC on wheels for the bedroom
> (which is upstairs) in case my 20 year old central AC were to suddenly
> die. That way, I'd be able to get some sleep at night if I weren't able
> to immediately have a new central AC installed or the existing system
> couldn't be immediately repaired. Is this a good idea or do you I am
> crazy to want to spend a few hundred dollars on something to use as a
> backup for the bedroom in case the central AC should fail?
>
> Granted my bedroom has ceiling fan, but I'm afraid that alone won't be
> enough, because it will most likely be upper 80s or hotter in the upstairs
> bedroom at night should the central AC fail in summer.
>
> When central AC is working normally, as an added benefit, I suppose the
> portable may also be useful for purpose of cooling the bedroom at night by
> a few degrees without my having to lower the thermostat for the entire
> house.
>
> I already have a portable AC for the home office (also upstairs), since
> that room has a cooling problem. I realize the portables on wheels don't
> work as well as window units due to negative pressure, but at night when
> the outside temperature is cooler they generally work well. Window units
> can't be installed here though.
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.
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.
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