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post #8 of Old 06-03-2011
Pearson 303
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We have been using one on Carolena when in the slip for the past three years. Ours also atomizes the condensate and vents it through the exhaust hose, so no water to drip in the bilge. The comment about these units drawing in warm air is absolutely correct. When the unit is running, it recirculates some air over the coils, but it also draws air out of the cabin through the exhuast hose. As a result, it draws in a lot of warm air while also cooling the cabin, which impact efficiency. A dedicated hatch unit like a Cruise Aire, or even a window unit in the companionway would be more efficient. Of course, a water cooled marine unit is the most efficient (we are in the process of installing one of these). The bottom line on the unit you are looking at is that it will likely cool the cabin slightly during the heat of the day, and will make it very comfortable at night, but don't expect miracles. At least that has been our experience. If we had to do it again, I'd go the same route for the ease of use and relatively low price compared to the marine unit we are installing now. It has done well to allow us comfortable nights at the marina during the summer, but it would be nice to have more cooling during the day.
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