It's a cool system marked by its simplicity and very high efficiency.
According to independent testing, it can give a standard electric water
heater a "COP" of 1.5 and _triple_ its first hour rating from 60 to 180
gallons.
Bruce S.
>There was a neat heat recovery system that costs apparently only
>$180. and consists of copper tubing (I think) wrapped around all your
>outflow drains where there will be hot water going down the drain,
>and the heat from this is transferred to a pre-heater where your cold
>water comes in, before it hits the water heater.
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Bruce Sullivan Tel: 541-484-9353
Iris Communications, Inc. Fax: 541-484-1645
Web: http://oikos.com/ E-mail: iris@oikos.com
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