Do Rooftop Solar Panels Need Cleaning. Dirt on solar panels usually has very little effect on their performance. Consider getting professional solar panel cleaners to do the job. Clean the surface of the solar panel with a soft cloth or sponge.
In most cases you won t need to clean your solar panels often if at all. Companies specializing in cleaning solar panels generally say.
Grime will build up but eventually there will be sufficient rain to wash most of it off.
One company selling an automated washing system says panels should be washed every couple of weeks. You do not have to clean the wiring underneath. After all anything that accumulates dirt on them for example dust or pollen will get washed off the next time it rains. One company selling an automated washing system says panels should be washed every couple of weeks.
