What is the expected life span of solar add-on products for multifamily buildings?

What is the expected life span of solar add-on products for multifamily buildings?

The life span of solar add-on products can vary depending on the type and quality of the product, as well as maintenance practices. On average, solar panels have a life span of 25-30 years, while other solar add-on products may have different lifespans. Regular maintenance and proper care can help maximize their longevity.