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Re: is venting your dryer to the house O.K in winter?

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Posted by nicksanspam on November 14, 2005, 7:09 pm

This reminds me of the National Mechanical Code, which is said to
prohibit circulating conditioned air at more than 120 F in wooden
stud spaces. I presume the excuse was the danger of fire, and the
code committee creatures who wrote this sell fireproof materials.

A few of the few dozen wood solar attics in Soldiers Grove WI were
lined with drywall after the state declared them "plenums," until
pharmacist Don Stebbins refused to do so, saying the theoretical
graph they were using for the time it takes wood to catch fire was
in degrees C vs F, and the time scale was log vs linear. At this
point the state creatures cravenly slunk away without reimbusing
the injured parties. There have been no fires in 27 years.

Good thing the code creatures didn't see that part :-)


Posted by Merlin-7 KI4ILB on November 19, 2005, 7:52 pm
You would not want to do that.

 The humidity in your home would get to the point where surfaces would start
sweating (condinsation)

 However, there is nothing wrong with adding more vent pipe (inside your
home) but still vent it outside.
 I would however use hard pipe,not flex. The flex pipe is not smooth enough
on the inside and restricts airflow.
 Something like a large radiator.

Posted by Robert Scott on November 20, 2005, 1:15 pm
 On Sat, 19 Nov 2005 19:52:57 GMT, "Merlin-7 KI4ILB"

Only if you were using the dryer all the time.  The usual intermitant
use of a home dryer would produce an amount of moisture that would be
quickly absorbed by the rest of the house, just like when someone
takes a shower without a bathroom vent.

But I would say that the main problem with indoor dryer venting is
that it is next to impossible to filter out the lint.  Even the
commercial devices designed to do this are inadequate.  Lint
accumulation can be anything from a nuisance to a fire hazard.

-Robert Scott
 Ypsilanti, Michigan

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