Don't look at solar panels as a do it yourself project. You are putting serious funds into these panels, and any mistake can be very costly. Find the right help. Do your research online to come up with the best installers out there near you and interview a few before making any decisions.
Homemade Solar Air Heater! – The “Screen Absorber” Solar Air Heater!. Easy DIY. Produces temps near 140F (with outdoor air in the mid 40’s). design of …
Don't assume that just because a company sells and installs solar panels means they are good and trustworthy people. Shop around. Get a minimum of three quotes. Read all contracts. Check backgrounds of potential contractors. Deal with this like any other home-improvement project that you would otherwise do.
If you want to have a solar system installed on your roof, make sure you check the credentials of anyone working on your home. Check certifications, verify references and generally research the company prior to signing any contract. This is a big investment, so make sure that you choose a reputable company.