Very cool. Despite all the sun I get (we live on a corner) it still seems like it would take literal decades to see any savings, and very little at that ($3K af

Very cool. Despite all the sun I get (we live on a corner) it still seems like it would take literal decades to see any savings, and very little at that ($3K after 20 years? No thanks!) The issue seems to be how slanted my roof is.