Is AC increasing bedroom closet mustiness?« Back to Previous Page

After the rain last month, I noticed a musty smell coming from my bedroom closet. It’s so strong that it affects not only the clothes but also the shelves and boxes inside. The AC in the room seems to make it worse; every time we turn it on, the smell gets more pronounced. Could there be something wrong with how the AC is handling humidity?
Posted by Andrzej Fernandez
Asked on February 4, 2026 10:06 am
The musty odour emanating from your bedroom closet could indeed be exacerbated by the air conditioning system. In Dubai and the UAE region, humidity levels can fluctuate dramatically post-rainfall, leading to such issues. The AC unit, if not correctly managing moisture, might indeed amplify this smell.

Firstly, it’s crucial to recognize that mustiness often indicates a build-up of mold or mildew, especially in humid environments like bedrooms. In the UAE context, where high humidity can persist even indoors due to air conditioning, such conditions are fertile ground for microbial growth.

When the AC is turned on, it circulates the air and potentially distributes any moisture or contaminants throughout the room. If your closet is a sealed space with limited ventilation, this can lead to an accumulation of dampness and subsequent musty odours. The AC might not be dehumidifying the air as effectively as needed in such conditions.

To address this issue, consider scheduling a professional inspection by calling 800-MOLDS or emailing hello@saniservice.com. These experts will assess your AC system’s efficiency in managing humidity and check for any hidden moisture sources that might contribute to mustiness. They can also provide guidance on improving air circulation within the closet area.

In the meantime, you could try opening windows (if weather permits) when not using the AC to allow some natural ventilation. Utilizing a dehumidifier in the room or closet can also help reduce moisture levels and alleviate the odour. Ensure that all items are properly stored away from walls and ensure adequate air flow around them.

Maintaining cleanliness and dryness within the closet is essential, so regularly clean shelves, remove any excess clutter, and consider using silica gel packets or similar desiccants to absorb moisture. If you notice condensation forming on surfaces, it’s a sign that more attention needs to be given to dehumidification efforts.

Remember, in Dubai, where temperatures can drop significantly during the night even after rainfall, ensuring your AC is functioning optimally for humidity control becomes particularly important. Regular servicing and maintenance of your AC system by certified professionals are recommended to prevent such musty odours from becoming a persistent problem.
Posted by Sani Admin
Answered on February 7, 2026 6:25 am