Sparkling clean windows say a lot about your business and your home, giving people a lasting first impression. At KN Cleaning Service , we have been serving the Philadelphia, Delaware, and New Jersey areas with our trusted and exceptional window cleaning service for over 12 years. You benefit from our specialized window cleaning service when you hire us on for either commercial or residential cleaning. We want to help make your windows shine! Call us today for us to get started on your window cleaning.