Cost: $300 (attic insulation), $23 per 4' x 8' board (solar sheathing), $4,000 (new roof), $600 (whole-house fan), $570 (whole-house heater), $1,450 (two skylights) After $18,500 in rebates and ...

PERRYSBURG, Ohio — A Toledo solar company is investing millions of dollars in technology that turns windows into renewable energy sources. "Of course this is Glass City, USA, so everything we ...