"Dave" wrote in message
...
"Tekkie®" wrote in message
. ..
posted for all of us...
Central air conditioners circulate cool air through a system of supply
and return ducts. Supply ducts and registers...
http://airconditioninginfo.blogspot.com/
Clark Kent, tell this guy it ain't so...
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Tekkie Don't bother to thank me, I do this as a public service.
I like it when people get hosed into believing air conditioning is a
closed
system. There's something called makeup air.
Which most residential systems don't have.
So what's your point?