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The most common recommendation on solar panel warranties is to have them professionally checked and cleaned every six months. This keeps them from getting too grimy, which would decrease the amount of electricity they put out. It also helps keep you informed about the status of your solar panels so that if there is any damage you can get it taken care of before it becomes a major problem.
Some solar panel manufacturers require regular cleaning to keep the warranty valid. They want to see the documentation that you have had your solar panels cleaned every six months before they will honor the warranty. This is because professional solar panel cleaners prevent dust, dirt, and debris from causing damage to your solar panels. It’s also because professional solar panel cleaners will check for damage caused by animals, birds, or the environment.
