The answer to 'window dirty' is that there are several common causes for dirty windows, including dust, dirt, pollen, and even hard water stains. Symptoms can include streaks, spots, or a generally hazy or cloudy appearance. Solutions can range from simple DIY cleaning to hiring a professional window cleaning service, depending on the severity and cause of the problem.
For light, routine window cleaning, homeowners can often handle this themselves using a squeegee, microfiber cloth, and a mild window cleaning solution. However, for more stubborn dirt, grime, or hard water stains, it may be best to call in a professional window cleaning company that has the right tools and expertise to get the windows sparkling clean.