I know that we have solar panels on the roof not only for saving but also for helping the environment. But, if to save money on electric bills is the only reason, do you think it's worth it to install ...
For those who have solar panels installed at home, do you think it is worth it? How long did the money you save on electricity bill cover the cost of installing the panels?
If it is possible to build your own solar panel What is its main component and where can you buy it? Where can you get a good guide on how to build an effective solar panel?