Buy the time you get any 100 watt panel shipped to you, I think you will be looking at spending at least $130 to $140.
Quote:
Originally Posted by doug30293
To help offset the system cost I was thinking of installing a preheat tank for DHW in my house and powering it with the solar array when the trailer isn't in use. DHW is a big expense for us, even in summer.
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This is almost exactly what I do with my suburbans solar roof top.
See:
Vehicle solar panels to grid - Fuel Economy, Hypermiling, EcoModding News and Forum - EcoModder.com