A musty smell in your linen closet can be a sign of moisture buildup, which can lead to mold and mildew. Factors like humidity levels, ventilation, and the materials of your linens can all contribute to this issue. Consider checking for leaks or dampness in the surrounding area, and think about using moisture absorbers or dehumidifiers to improve air quality. Regular cleaning and proper storage techniques can also help maintain freshness. Curious about the best solutions for your specific situation? Ask Improvi.ai for personalized guidance.