Originally Posted by CliffL
Thanks for the advice thus far. My fresh water tanks are in a locker in front (outside) the boat...catamaran. There's no heat there from inside the boat. I'm going to live aboard, so need the water. If the tanks were inside, no problem, they'd stay warm...this is a different case.
Then you really need the stick on heater I suggested. It doesn't take much to keep a tank warm. you could also put them on a timer, 4 on / 4 off around the clock for a start and adjust as needed.
Can you drape a black tarp over the area to generate a bit of Solar during the day?
Can you insulate the locker area a bit? Those foam pipe wrap tubes for house plumbing along w/ some "heat tape" for pipes running along the lines should do it and not kill you in elec. charges.
Ken, East Prov., R.I. Bootlegger, PY26 Paceship
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Last edited by MacGyverRI; 11-11-2010 at 11:25 AM.