Additional email - [email protected]. Crystal Clear Windows is a professional window cleaning company. We provide superior service by giving our customers a reliable, consistent window cleaner. We service both residential and commercial buildings. Our industry is riddled with one person, fly-by-bight companies who rarely stay in business more that a year or two. Our business and service model, allows us to provide our customers with a long-term solution to their window cleaning needs. We look forward to being a long-term provide of superior service