>7 year ROI
>provides further insulation for the roof from sun rays
>lasts at least 20 years, with more years at lower efficiency
Yeah I'm thinking it's based
7 year ROI
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>7 year ROI
absolute piece of shit
this
bait thread
>7 year ROI
what is this, the next LINK?
please do the math for the 7 years
Not buying until 1 year roi
DR;NS
If there was a 7 year ROI on panels, every hedge fund would be using them, and making billions.
No, because it is like saying I invest in a stock and 7 years later they give me the same money I started with back. There is no return.
what about the other 15 years of free electricity?