Join Date: Jan 2004
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I have no experience with the marine versions such as Sun-Mar or Ecolet. I have had a fair amount with land based systems and some might be relevant. Typically they need a steady source of power for the fan and heater, so they would be best on a powerboat or a liveaboard with shorepower. The Airhead needs less power but it means separating out urine. So how much trouble do you want to go through?
They don''t like uneven loads. They were popular for a while in rural Alaska (no water / sewer systems and permafrost means no septic fields). They failed consistently and have seen few if any new installations for years. Have a few friends over for beers and the slug of liquid drowns the composting action.
Carefully managed I suspect they can work. People who are true believers will put up with the limitations and inconveniences and make them work. If you are one, and can source the necessary electricity might be worth a try. Let us know what happens.