Solar panels work best when sunlight hits them without blockage. Dust, pollen, bird droppings, and pollution create a film that cuts efficiency by up to 30%. Rain does not remove this stubborn grime – only a professional clean can restore full power. At Lewis Premier Solar Cleaning LLC, we use soft washing techniques and deionized water to dissolve deposits without scratching glass. Our process starts with a free inspection, then we gently scrub every panel, rinse thoroughly, and provide a befor...