They built a solar home in the '70s before it was cool. Now, they're selling it for $1.3 million.
"It was unusual at the time to have such a system and it works pretty well," Paul Grogan told BI.
Hosted on MSN1mon
5 Things Solar Panels Can Power In Your Greenhouse
Many growers install secondary heating systems in their greenhouses to supplement the sun's rays and keep plants warm. These systems may run on passive solar power, which is a greenhouse ...