When the space and resources are available, your best bet for maximum solar energy gathering is a panel system with sun tracking. This type of system tracks the sun's movement across the entire day, and even the entire year. This may cost you a little more at first, but the results in the end are worth it.
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Find out what kind of warranty comes with any system you are considering. A solar energy system should last you for at least twenty years, so be sure the company you are dealing with can support it. If there is no warranty, or an extremely limited one, it may be time to keep looking, no matter how great the savings are.
Check for government financial incentives when you considering solar energy. While the cost of purchasing and installing panels can be high, there are certain government grant, loan and rebate programs that can help offset this cost. By understanding these programs, you can make a smart financial investment that allows you to take advantage of this green energy source.