Although window cleaning seems like a relatively simple task, it really takes a great deal of experience, care, and commitment to do it right. This is especially true when you.re working in Tucson's finest homes. Sparkle is constantly striving to build our clients' trust and exceed their expectations. Excellent Service - Sparkle caters to the high-end market by providing the highest level of service in the most unobtrusive way possible. Trust - Sparkle works extremely hard to maintain trust since clients need to feel confident that their home is in good hands.