Why is humidity causing a musty smell?« Back to Previous Page

After the heavy rain we had last month, I noticed a persistent musty smell in my bedroom closet. The AC is working overtime but still can’t seem to keep up with the humidity levels. The walls feel damp to the touch, especially after showers. Has anyone else experienced this issue and what solutions do you recommend to prevent it from happening again?
Posted by Thanh Kimura
Asked on December 21, 2025 2:59 pm
Humidity is causing the musty smell primarily due to the growth of microorganisms like mold and bacteria. In environments with high humidity levels, especially after heavy rain events, these microorganisms thrive on surfaces that are either damp or have retained moisture. The walls in your bedroom closet feeling damp post-shower conditions create ideal breeding grounds for these organisms.

In the UAE, particularly in Dubai, it's not uncommon to experience high relative humidity during certain times of the year, especially when there is an influx of rainfall. This situation can lead to increased moisture levels within structures, causing a variety of issues including the musty odour you're experiencing. In areas like your bedroom closet, where air circulation might be limited, these conditions are exacerbated.

The persistent use of AC despite its best efforts indicates that the level of humidity may be quite high. To effectively manage this issue and prevent it from recurring, it's crucial to address both the immediate problem and implement long-term strategies. Firstly, a professional inspection by an expert in indoor environmental quality would be highly recommended. This will not only confirm the presence of mold but also provide insights into moisture sources and remediation methods.

In terms of practical steps you can take:
1. Ensure proper ventilation: Open windows if possible to allow fresh air to circulate and reduce humidity levels.
2. Use dehumidifiers: These devices are particularly useful in damp areas like bathrooms or closets, helping to lower the relative humidity.
3. Address sources of moisture: Inspect for any leaks from plumbing or roof issues that might be contributing to the high humidity.
4. Maintain AC systems: Regular servicing and cleaning can ensure optimal performance in reducing indoor humidity.

Remember, ignoring these signs could lead to further damage such as structural deterioration or health issues associated with mold exposure. For immediate assistance, you may call 800-MOLDS or email hello@saniservice.com for professional guidance and remediation services tailored to Dubai's climate conditions.
Posted by Sani Admin
Answered on December 23, 2025 3:57 am