Solar panel overkill?
I have been mentally designing a solar system for our small class C. I have 2 6 volt GC batteries and have no extra room to add more. I was originally thinking of installing a 24V 235 watt panel fro...
Forum Discussion
2oldman wrote:scroller95969 wrote:There is a solar energy credit you can take.
with the tax deductions I will be paying about 25-30% less for the system (15% self employment tax + 12-15% income tax savings).
1. Should I mount these larger panels with 4 or 6 mounting points? Would rather do 4 if the panel will support its own weight and will not tear through the roof. Plan to make them tilt for roof access.
2. I am thinking on using molly bolts or toggle bolts to lessen the chance of pullout from the roof.
I'd go for 6. Afaik there is more strain on the panels' mounting from wind when tilted, than when driving. I've used both moly and big screws on my rubber roof with plywood underneath. Both are fine after years.
Just took off my ac cover from the inside and it looks like the roof is made from some kind of plywood that didn't look over 1/4" with about 2 1/2" of Styrofoam under that. Doesn't seem like much anchor for just a normal screw. Also wondering if well nuts might work. As far as the energy credit do you know whether there has to be a professional installer used to get it? Thanks for all the help, Jeff.
