cooling technologies [RE-wrenches]

[Jeff Clearwater]

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Hi Wrenches:

A simple, relatively cheap, "passive" dehumidifier/AC;

Install a copper coil on the intake of your cold=20
water supply and then install a fan to blow=20
across it - (either powered by a direct coupled=20
PV or a AC fan controlled by a flow activated=20
switch).

  Works especially well in public buildings with=20
commercial kitchens (or places that use alot of=20
irrigation water) - any where where the water=20
runs alot.  Not very effective for residential=20
water conserving households, but if you have a=20
spare PV panel lying around it's a relatively=20
cheap free source of coolth/dehumidification.

And it works especially well if you have a deep well with nice cold water.

We installed one on a conference center with a=20
commercial kitchen.  They called me in to solve=20
the sweating pipes syndrome since they used alot=20
of water and their pipes  dripping with=20
condensate were causing a real problem in the=20
basement - so i got to thinking why not make that=20
source of coolth concentrated.  So Installed=20
about 25' of 3/4 coiled copper right after the=20
pressure tank and coupled it to a 50 watt PV=20
panel and fan.  Pulls about 3-5 gallons of water=20
out of a humid New England summer day.  And It=20
warms the water slightly so the sweating is not=20
such a problem down the line.    Not bad for free=20
coolth.

Jeff C.
Village Power Design
NABCEP Certified Solar PV Installer=81




>Hi Todd,
>
>The issue that Christopher brings up is a very=20
>real problem and is what caused most of those=20
>systems to fail.
>
>I've been told that around 50% humidity is the=20
>upper limit for a swamp cooler to work.
>
>Just as an aside, Sante Fe NM, has outlawed=20
>swamp coolers due to water usage.  So they are=20
>now using AC in very low humidity which isn't=20
>good
>for AC units.
>
>Jay
>
>Peltz Power
>
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-- 
~~~~~~~~~~~~~
Jeff Clearwater
Village Power Design
Sustainable Energy & Water Solutions for Home & Village
http://www.villagepower.com
gosolar at villagepower.com
NABCEP (tm) Certified Solar PV Installer

530-470-9166
877-SOLARVillage
877-765-2784
72 Baker Rd.
Shutesbury, MA 01072
425 Nimrod St.
Nevada City, CA 95959
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