Big Offgrid System Request for Guidance [RE-wrenches]

[Kurt Albershardt]

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--On Monday, April 14, 2008 8:04 PM -0400 "Jeff Clearwater, Village Power Design" <jeffc at villagepower.com> wrote:
>
> I would definitely do a whole systems & load analysis and see what you can meet with direct renewables such as passive cooling (and heating) by design (earth couple the building, super insulate, install ground heat exchangers, etc.) or solar direct air conditioning or refrigeration assist (look into the new aDsorption chillers) as Kurt suggested.  Super insulate the walk-in cooler, etc. I did an energy conservation & renewable energy plan for Sunrise Ranch Community in Colorado and we came up 
with a menu of 110 energy conservation strategies to reduce thier KWH load 40% before applying PV or Wind.

We are remodeling a 1938 hotel in New Mexico and have been able to project some rather impressive savings by carefully managing and moving heat.  e.g. Specify all of the kitchen and bar refrigeration for remote compressors, then feed these plus all of the walk-ins (including the wine cellar) from a custom rack system with water-cooled condensers.  This removes heat and noise from the kitchen, dramatically lowers both the energy load and the maintenance requirements on the kitchen units, and 
provides hot water.  Oh, and the walk-ins are all located in an unheated portion of the basement.

Very interested in what adsorption chillers you have used - I have been working with a team that has installed several of the large Japanese units and is working with some other players considering entry to the US market.






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