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more at:
http://www.buildingscience.com/resources/mechanical/default.htm
Alex wrote:
> Hello,
>
> My wife and I are planning on enclosing our garage next summer, and
> this will bring our 1600 sq house up to about 2100 sq. We planned on
> upgrading the 23 year old central air/heat system in the house then,
> but a couple of weeks ago the unit died and needs replacing now.
>
> We currently have a 3 ton system but in anticipation of convering the
> garage in we're upgrading to a 4 ton, 15 SEER system. I know if the
> system is too large it won't remove enough humidity from the house and
> mold can set in, plus shutting on and off alot is bad for the system,
> however will us having the system in place for 6-8 months hurt it like
> this? Winter is here, and I doubt we'll be using the air conditioner
> much until next March or April, just the heat if that, but just curious
> of what we need to look out for.
>
> We live in Central Texas where the humidity generally stays around 50%
> or lower, and only rarely jumps up to 65% or higher. I figure worst
> case we can get a stand alone dehumidifier if humidity does become a
> problem. Will this help?
>
> Just curious on what others think about this. Thanks for any input ...
>
> Alex
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Re: Upgrading central AC unit before adding onto house -- caveats?
