The answer to 'why is my window odor' is that it is likely caused by mold, mildew, or other organic buildup on the window. Symptoms may include a musty, damp, or unpleasant smell coming from the window area. This can be caused by excess moisture, poor ventilation, or lack of regular cleaning.
To address a window odor, you can try cleaning the window thoroughly with a mixture of warm water and vinegar or a commercial window cleaner. Make sure to dry the area completely. If the odor persists, it may be necessary to use a mold and mildew remover or call in a professional cleaning service to properly identify and treat the underlying cause.