. >> jim petersen: hi, i'm jim petersen, founder and president of solar 4 america by petersen dean.radio, and outdoor for about a decade, talk about solar power. in fact, petersen dean is one, if not the, oldest solar power installers anywhere in the united states, having installed solar for the past 32 years. we've actually saved 100% of our clients money on their electric bill nationwide by installing solar panels on their roof. so today where i'm actually standing, on my roof, of my home. so not just the ceo and president of the company, but also a customer as well, and a very happy customer. so we're standing on a roof install by petersen dean recently, a heavy-duty laminate shingle by owens corning. and we're gonna talk a little bit about that