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Date:         Sat, 14 May 2011 13:31:49 -0400
Reply-To:     Dennis Haynes <d23haynes57@HOTMAIL.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Dennis Haynes <d23haynes57@HOTMAIL.COM>
Subject:      Re: Rooftop A/C Experiences 12 volt AC option.
Comments: To: John Rodgers <inua@CHARTER.NET>
Content-Type: text/plain; charset="us-ascii"

http://www.roshgo.com/Merchant2/merchant.mvc?page=rc01/CTGY/00408&gclid=CMSh wvn656gCFYfe4AoduGyGDg

-----Original Message----- From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of John Rodgers Sent: Saturday, May 14, 2011 12:23 PM To: vanagon@GERRY.VANAGON.COM Subject: Re: Rooftop A/C Experiences

Swamp Coolers really only work in very dry climates. I had one in my house in New Mexico and it really did a job cooling the place down. But it did so by evaporative cooling - which adds moisture to the air. In a dry climate it works really great, and is cheaper to run than an air conditioner. The principle of the thing is that a mist of water is sprayed between a fan and a mesh of some type (in my case wood fiber sandwiched between two plastic screens) The fan blows the mist into the fiber, and once wet, as the air from the fan passes over the moist fiber the moisture evaporates, thus cooling the air as it passes through. This process both cools the air inside and raises the moisture level as well. In a very dry climate, this is very desirable. However, in a warmer climate it's horrible. Makes the air so wet and muggy you cannot possibly get cool. For all around use in a vehicle have a working AC unit is the solution. But for homes - Swamp coolers in dry climates, AC units for wet muggy climates like the Deep South.

John

John Rodgers Clayartist and Moldmaker 88'GL VW Bus Driver Chelsea, AL Http://www.moldhaus.com

On 5/13/2011 2:53 PM, Cunegonde wrote: > I have a small generator, and I also have built an A/C carrier bracket for the passenger window. This is all fine when parked (and I try not to spend much time in places where A/C is a daily use item). However, my cooling (burning?) need is while driving. > > I just contacted the Vintage Air people about Vanagon installation. As for evaporative cooling, any listmembers familiar with swampy.net units, or recommendation for better? > > Cut hole in roof vs. tear apart dash. Hmmm. > >


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