While that's possible, what you'll be able to accomplish with rooftop solar depends a lot on two rather unglamorous technicalities: The size and weight of the panels you can fit on your roof.

This is where the SolarReviews website can help, by providing customer testimonials on installers and a handy Solar Calculator to estimate system size, production, cost, and savings. Based on a ...

Calculator aesthetics are apparently very important to some people, so Casio Japan has announced a new Comfy JT-200T solar-powered model that relocates its solar cell to the top edge keeping it out of ...