Check that your solar-energy installer has the proper licenses and insurance. Installing solar panels on a steep roof is a delicate job, and you should feel confident that your installers know what they are doing. At a minimum, look for a contracting license, workers compensation insurance, and general liability insurance.
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Once you buy a system, one of the first things you will notice is how quiet your solar cells are. As they draw in energy from the sun, they make absolutely no noise. This is something that most owners appreciate, as all other renewable energy sources make some noise as they operate. Particularly if you have a stressful job or a stressful life, the last thing you need is a noisy system interrupting your few moments of peace.
Solar energy through the use of solar panels can last up to 30 years. It is a long-lived use of energy and requires very little maintenance on your part. Since there are no movable parts, solar-energy panels don't break or need repair. This can provide years of electricity bill savings.