Every solar panel company makes bold claims about its panel efficiency, maximum wattage availability, temperature coefficient and other specs in optimal conditions. Anyone who does product testing ...

Solar panels are a long-term investment. There are ways to make them more affordable or stick them on your roof without buying them, and they will likely make you money in the long run -- though how ...

Relying on rain to wash away dust and fungus may not be enough. Use these tools and expert tips for optimal performance.