We Let the Sunshine Through. We are a professional full-service window cleaning company offering residential and low rise commercial window cleaning at competitive rates so we're saving you time and money! Sunshine Window Cleaners also offers weekly, bi-weekly and monthly year round window cleaning service for store fronts and commercial businesses. We are known for our quality and service through out Calgary. We pride ourselves on our ability to offer exceptional customer service, value, and the results that have earned us many satisfied, long-term clients.