alt Hacker News>>By the time the "free" electricity has paid for the installation, you'll need to replace it.
You are going to have to back this up with credible citations. Otherwise it sounds like skepticism from 2008.
>>By the time the "free" electricity has paid for the installation, you'll need to replace it.
You are going to have to back this up with credible citations. Otherwise it sounds like skepticism from 2008.
You're right, I ran the numbers years ago. I remain as skeptical as I am for roofing lifetime claims.