Certasun is a top-rated solar company serving the Chicago and Milwaukee areas. Headquartered in Buffalo Grove, Illinois, we provide residential solar, battery storage, and EV charger installation with integrity and professionalism. Why work with us? We have exceptional reviews. We will never outsource work to subcontractors. We guarantee the your system over its lifetime. We don't take installation shortcuts — your system will look great. We offer several financing options and will advise you about their pros and cons, but will let you decide if they are right for you.
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