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Old 12-16-2008, 10:54 PM   #28 (permalink)
captainslug
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Join Date: Sep 2008
Location: Sterling, VA
Posts: 383

BORK! - '89 Volvo 240 DL Wagon
90 day: 21.27 mpg (US)
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If you want an absurdly more efficient option for producing heat in a closed loop, look into RV water heaters.
They start at 2.5 gallons and are available in propane or electric.
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