To thrive as a Window Cleaner, you need good physical fitness, attention to detail, and basic knowledge of cleaning techniques, often supported by a high school diploma or equivalent. Familiarity with ladders, squeegees, water-fed poles, and safety harnesses, as well as understanding OSHA safety standards, is essential. Strong customer service, reliability, and the ability to work independently help you stand out in this position. These skills and qualities ensure windows are cleaned efficiently and safely, leading to satisfied clients and a good professional reputation.