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You generally want mono, they're more efficient.
When you factor in shipping, racking, weight, available roof area.
But if you have unlimited room for panels go cheap.
I got really big used 295w polys that no one wanted.
Yeah you don't want want to put thousands of pounds on a mobile home roof. My little starter roof top 3.6kw weighs about 900lb the main roof support is a 6 inch I beam.
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1984 chevy suburban, custom made 6.5L diesel turbocharged with a Garrett T76 and Holset HE351VE, 22:1 compression 13psi of intercooled boost.
1989 firebird mostly stock. Aside from the 6-speed manual trans, corvette gen 5 front brakes, 1LE drive shaft, 4th Gen disc brake fbody rear end.
2011 leaf SL, white, portable 240v CHAdeMO, trailer hitch, new batt as of 2014.
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