Solar panel warranties are important to make sure you get the expected electricity savings over time. For example, if your solar energy system is expected to save at least $1,200 per year, a 25-year warranty means you get $30,000 in guaranteed savings.
Solar panel warranties also help you qualify for favorable loan conditions. For example, if your solar panels are covered for 25 years, getting a 15-year loan from a local bank is easier.
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