Product Warranty vs Performance Warranty Solar Panels: Costs

A product warranty protects a solar panel against defects in materials and workmanship, while a performance warranty protects its electrical output against excessive degradation. Product coverage usually lasts 12-25 years; performance coverage commonly lasts 25-30 years. Neither warranty automatically pays every labor, shipping, roof-access, or diagnostic cost. Key Facts at a Glance What Does Each […]