The answer to 'window filthy' is that there are several common causes for filthy windows, including dirt, grime, hard water stains, and environmental factors like pollen or smoke. Symptoms include a dull, cloudy appearance, visible streaks, and an overall lack of clarity. The good news is that there are effective solutions for cleaning windows, both DIY and professional.
For DIY window cleaning, start by dusting the surface to remove any loose dirt or debris. Then use a window cleaner solution and a microfiber cloth or squeegee to wipe away grime and stains. Be sure to clean both the interior and exterior of the windows for best results. If you have stubborn hard water stains or need to reach high windows, it may be best to call in a professional window cleaning service.