In general, commercial windows should be cleaned 2-3 times per year. This removes buildup before it becomes a bigger problem and also allows a chance for the windows to be inspected to check for any liability issues. For in between cleans, professional-grade glass cleaner will ward off fingerprints and mild buildup.

Commercial window cleaning is a specialized skill that involves working at heights, demanding a comprehensive understanding of safety protocols. Trained and certified window cleaning professionals are equipped with the right gear and knowledge to ensure the safety of both their teams and the building's occupants.

Commercial window cleaning improves the building's longevity, especially the windows and the structure around the windows. The dirt from the air builds up on the windows and can make the glass fragile and lose the ability to be transparent. When the windows are clean, it helps the window frames from weathering.

The Bottom Line Hiring a professional to clean all your home's windows can cost $150 to $300. However, homeowners can expect to pay between $10 and $15 for a professional to clean an average window, or between $4 and $11 for each pane of glass.