absorption air conditioning [RE-wrenches]

[Travis Creswell, Ozark Solar]

Bob,

There was a write up in Homepower #81 about one.  I though it was pretty
inefficient.  It needed up to 875 watts of AC power, up to 75,000 BTU/h of
propane (.82 gallons/hr), plus some DC electricity for the water circulating
pump.  All that energy for 3 tons.  On a seperate note, the RE part of the
installation looked very shoddy, and I can't believe that HomePower
regularly prints those pictures.  Effectively rewarding installers for
unsafe, very un-professional installations and giving people a diagram to
continue to do it wrong.  I guess they have to have something to put in
between the full page, full color Zantrex, BP and Astro Power adds.  I
suppose I'd better go get my asbestos shorts on now.

What about zone cooling with window units?  I would look very seriously at
that method as well..

I am shopping around for a window unit for my new shop.  Without any
difficulty I found a 16,000 BTU,11 SEER unit at, you guessed it, Home Depot.
11 SEER is excellent for a window unit.  Most are somewhere in the range of
8 to 9 SEER.  I'm thinking it stated 12 amps @ 120 vac but I would need to
confirm that.  Assuming the 12 amps is accurate then its going to use
something under that during normal operation.  I'd say 10 amps or 1200 watts
would be a very safe number.  16,000 BTU would cool down a well insulated,
somewhat open 1000 ft2 with no problem.  You can also step down to window
units as small as 5000 BTU.

Also, I have seen a outdoor unit with a SEER of 18.  I'll email the
manufacturer and see what kind of load it pulls in a 2 and 3 ton unit.


Travis Creswell
Ozark Solar

----- Original Message -----
From: "Bob Ellison, Alternative Energy Systems" <ellison at gisco.net>
To: "RE-wrenches" <RE-wrenches at topica.com>
Sent: Friday, May 11, 2001 9:12 PM
Subject: absorption air conditioning [RE-wrenches]


> Hi wrenches,
> Is anyone familiar with an absorption type, central air conditioner,
> possibly built by either Danby or Servel?
> I had a fellow who was in a position to know tell me that there was one on
> the market.
> It will not eliminate the circulation fan but it would get rid of the
> compressor.
>
>
> Thanks,
> Bob
>
>
> RE. Ellison
> Supplier of;
> Diesel Generators &
> Alternative Energy Systems & Supplies
> 34642 Countryman Road
> Theresa, NY. USA
>                               13691-2076
>


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