My dad has the temperature very high this year due to health reasons. So,
the cold water pipes are now sweating. He has insulated the pipes that
are accessible, but what about the pipes behind the plaster ceiling. We
would prefer not to turn off the humidifier. And we run the dehumidifier
on occasion. Is there anything else that can be done? thanks
This has less to do with the temperature than the humidity level.
It sounds to me like the humidity is excessive and I can't imagine that
very high humidity is necessary for his health (I could be wrong...)
Get a Hygrometer and actually measure what the air is holding.
You shouldn't need to be above (roughly) 50%RH.
One question for OP before comments, do you have a carbon monoxide
detector. A combination of health problems and excessive humidity could
indicate a CO problem (water vapor and CO2/CO are byproducts of
I heard that normal comfort range is 40-60% relative humidity, but I think
that references when you need to dehumidify (cooling system or basement
humidity). It should not be necessary to add that much humidity during
the heating season because it may condense (or form frost) between windows
and on other cold objects (possibly in walls and attic), especially as
weather gets colder.
My humidity is currently 25%, I don't get static electricity shocks, my
skin is not dry, my throat is not dry, so it is enough to be comfortable
without fogging my windows. It might normally be lower (20% or less) if
colder outside, but this winter has been mild in Chicago area.
David Efflandt - All spam ignored http://www.de-srv.com /
The answer to your problem, I think, lies in within the question of how
much condensation is *too* much? Unfortunately, the answers vary. I have
a pipe that does this in my basement that I noticed when it was bare
before we rehabbed the basement. It's the the main cold-water service
line coming in off the street, and it sweated during the winter, but
never enough to drip, so I didn't pay it any more mind than I pay the
consdensation that forms on my toilet tank but never enough to drip
during the summer.
If his accessible pipes don't have a huge amount of sweat coming off
them (enough where you'd see big rivulets of water running down them),
you *may* not have anything to worry about. However, if true peace of
mind is what you're looking for, you'll have to rip out the plaster that
runs beneath that line, insulate the pipe, and then either re-plaster or
stub in drywall along the channel.
Other than that, I just think old people just arive at a period in their
lives where they're compelled to keep every room they own at a constant
90 degrees. This is pretty much why God invented Tucson, Arizona.
"We would prefer not to turn off the humidifier. And we run the
dehumidifier on occasion."
This is a little confusing.
In any case, it all depends. To keep the pipes from sweating you need
insulation of some sort and a vapor barrier between the insulation and the
source of the warm moist air.
I suggest your construction may limit the amount of humidity you may
have without suffering structural damage. The choice is yours.
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