Solar water heaters have been around for hundreds of years. For over 50 years people have been using them to heat everything inside and outside the home. Over the years, these solar water heating systems have become much more efficient. If you are located in sunny areas of the country, you should look into buying a solar water system.
The best solar panels are able to be re-positioned to accommodate the seasonal shifting of the sun. But if you have to have a fixed panel, choose the best compromise between positions that you can.
On this channel you can get education and knowledge for general issues and topics.
If you're interested in a particular solar panel model, determine when this panel was created. There are very efficient modern solar technologies; however, iffy solar energy salespeople sometimes sell old technology. This older technology is more affordable but you will get much better results with a more recent product.