Have financial background checks done on solar panel companies you plan to purchase from. You'll want use a company that will still be in business 20 years down the road. In this way, you can be certain your warranty will be honored and you will be able to get parts and maintenance as needed.
You should assess how much energy you need for your household before investing in a solar energy system. You will get the most out of your solar energy system if it is powerful enough to cover all your energy needs and allows you to sell a small quantity of power to the main grid.
A solar-powered waterfall from eBay. A solar water fountain for a small pond or bird bath on Amazon. How to make a water fountain off eBay solar powered run …
A solar powered fan for your attic is a good choice if switching completely to solar power is not feasible. The fan will have a temperature sensitive gauge and switch itself on when necessary. This will remove heat and lower the cost of cooling. It's also solar powered, so you don't have to pay to power it.