The answer to 'when to clean window cleaning' is that most experts recommend cleaning windows on a regular schedule, typically every 6-12 months. This helps maintain their appearance and prevent buildup of dirt, grime, and water spots. Factors like climate, local pollution levels, and how often the windows are used can impact how frequently they need cleaning.
For the best results, it's generally recommended to clean windows on an annual or semi-annual basis. This ensures they stay looking their best without having to clean them too often. Homeowners should also clean windows after major storms or when they notice significant dirt or smudging.