Diamond Window Washing & Dryer Vent Cleaning Davenport provides professional exterior services for homes and businesses throughout Davenport, IA and Bettendorf, IA. We specialize in streak-free window cleaning, including interior and exterior glass, screens, tracks, and hard-to-reach windows. Our team also offers expert dryer vent cleaning and dryer duct cleaning to improve airflow, reduce fire risk, and help dryers operate more efficiently. Locally owned and operated, we deliver reliable service, honest pricing, and high-quality results for residential and commercial properties across the Quad Cities. We offer flexible scheduling, fast response times, and friendly local service trusted by homeowners and property managers year round Always.