[Cob] Pex,, Hot Air vs Hot Water

[Bill&Julie]

Hello All,,,

Although there are pluses for each, You might concider if the heat is
going to be on, or tended all of the time. Even knowing that science
proves that Water carries more heat than air, If the water pipes freeze,
you got a big time oops.. IF you take the time and bother, you could
make a DRAIN DOWN system for the water. If a person lives in a
zone that freezes hard enough to break pipes, this should be done
anyway...

Just trying, bill ~¿~




----- Original Message ----- 
From: "Shannon C. Dealy" <dealy at deatech.com>
To: <coblist at deatech.com>
Sent: Monday, March 27, 2006 12:54 AM
Subject: RE: [Cob] Pex


> On Sun, 26 Mar 2006, Amanda Peck wrote:
> [snip]
> > I guess you COULD hook it up to some--ANY--source of hot water and let
it
> > settle in as the first, still somewhat damp, and then the second coats
of
> > floor go on, as Shannon found worked well with his setup.
> [snip]
>
> Thought I should mention that my floor heating system is a hypocaust not
> hydronic (in otherwords, my floor uses stove exhaust gasses through
> ducting, rather than hot water through pex or other piping).  I generally
> discourage people from piping hot water through cob floors because a leak
> would be a disaster for the floor and leaks can happen.  For a hypocaust
> there is a small chance that a leak could be dangerous to the occupants if
> stove exhaust gasses are used (as opposed to just hot air) so I recommend
> you always use a carbon monoxide detector in the building.
>
> FWIW.
>
> Shannon C. Dealy      |               DeaTech Research Inc.
> dealy at deatech.com     |          - Custom Software Development -
>                        |    Embedded Systems, Real-time, Device Drivers
> Phone: (800) 467-5820 | Networking, Scientific & Engineering Applications
>     or: (541) 929-4089 |                  www.deatech.com
>
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