In my experience managing an office space, I’ve realized that the frequency of window cleaning often depends on factors such as location, the type of business, and local weather conditions. For instance, an office on a busy street might require more frequent cleaning due to pollution and grime. Similarly, retail units with large display windows typically need more regular attention to maintain their inviting appeal for potential customers. I usually recommend a schedule of bi-monthly cleaning for most commercial properties, but it might vary. My tip? Look out for changes in the appearance of the windows and adjust your cleaning schedule accordingly. It’s amazing what a difference clean windows make in creating a bright, welcoming environment. For a comprehensive overview, you might want to look at this link. On a related note, stay observant and flexible; sometimes a change in seasonal weather patterns can mean tweaking your cleaning schedule.