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Simmitri Inc. is a licensed solar installation company and roofing contractor serving residential and commercial properties throughout the Bay Area. We specialize in solar panel installation, solar battery storage systems, roof replacement, roof repair, and energy-efficient roofing solutions. Our certified solar installers design custom photovoltaic (PV) systems tailored to your energy needs, including Tesla Powerwall and Enphase battery integration. We handle complete solar projects from site assessment and permitting to installation and utility interconnection, helping property owners reduce electricity costs and achieve energy independence. As a full-service roofing company, we install and repair all roof types, including asphalt shingles, tile, metal, and flat roofing systems. Our roofing services include leak detection, roof inspections, storm damage repair, and preventative maintenance plans. Free estimate and project consultations.