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Posted by Pop on August 11, 2005, 12:47 pm
>
>>I have a window AC unit in an upstairs bedroom that
>>is not putting out
>> as much cold air as it once did.
>>
>> Normally the unit runs all day and night, set at a
>> specific temperature
>> (77 degrees, currently); and the compressor kicks in
>> as needed to
>> maintain that temp. Because the air flow seems a
>> bit lighter and not
>> as cool, I wonder if something might be wrong with
>> the unit, or if
>> perhaps it has 'frozen' and needs to thaw. It's
>> about three stories
>> up, so I can't get a good look at it from the
>> outside, but I see no
>> evidence of ice or dripping.
>>
>> In case this is the problem, I have turned it off
>> for the day.
>>
>> Anyone else have any tips?
>>
>> Thanks!
>>
>
> This is Turtle.
>
> edwin and other have stated evaperator coil dirty and
> filter but when someone says they have a window unit
> that just seem like it just don't do as good of a job
> like it use to. a lot of the time it will be a
> plugged up condenser coil on the back and plugged up
> on the inside of the coil where you can't see it.
>
> so here is a small check list to try to see about it.
>
> Dirty condenser in back.
> Dirty evaperaor coil in front.
> dirty filter.
> 100% RH day and high Moisture content in your house.
> unit low on freon.
> Outdoor temps going over 100ºF+ which will slow some
> brands of units down.
> Compressor Going in-efficent or not pumping good
> enough.
>
> Most all window units still under warranty for low on
> freon and in-efficent compressors for 5 years.
>
> TURTLE
>
One more thing: IF there are oil cups on the fan
motors, is it oiled each season at least, more often if
used more than about 4 months/year? Drying bearings
will slow the fans and make them work harder.
He's right about the 5 year compressor warranties;
worth checking if all else fails.
Pop
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