2. Skyscraper Window Cleaning receives positive reviews for their prompt, courteous, and flexible service, with customers appreciating their professionalism, efficiency, and high-quality work. The company's use of the HighRise(tm) window cleaning system is highlighted as a key factor in achieving perfectly clean windows and extending the life expectancy of buildings. 6. Unique facts about Skyscraper Window Cleaning include their use of pure water for environmentally friendly cleaning, insurance coverage for technicians, extensive training, 24/7 availability, and the self-climbing HighRise(tm) window cleaning system that leaves no marks and cleans all surfaces. 7. Skyscraper Window Cleaning specializes in using the self-climbing HighRise(tm) window cleaning system, which ensures thorough cleaning and extends the life of buildings by leaving windows cleaner than manual cleaning methods.