HVAC

Otto Keyes okeyes@uidaho.edu
Fri, 24 Jan 2003 11:35:47 -0800


Hi Jeff & all,

> I think I'm gonna call "BS" here.  What is your indoor RH during the
> summer?  and why would the effects of high summer RH on the steel girders
> and mortar be any different from trying to bring winter RH up to 42%?
>

For those of us up North, the issue is condensation on the cold beams.  This
is not a problem in summer when inside/outside temps. are about the same.
When the temp. differential is extreme, the warm, humid air reaches the cold
beams, condenses & rusts.  This happens anywhere, but to a lesser degree for
you (normally) warm-blooded folks down in the banana belt. However, this
year you've probably gotten more winter than we've had up here in Idaho.  It
just ain't natural with no snow in January!  Everybody gets frustrated &
cranky with no snow to complain about! (As opposed to frustrated & cranky
complaining about too much snow!)  :-)  Man, the human race is wierd!

Otto


This PTG archive page provided courtesy of Moy Piano Service, LLC