Can high humidity cause closet odor?« Back to Previous Page

After the heavy rains last month, I noticed a persistent musty smell in my bedroom closet, even though I keep it closed and rarely open it. The humidity seems to be causing some discoloration on the walls around the window too. Is there any way to address this issue permanently?
Posted by Carmen Wojcik
Asked on February 27, 2026 5:02 pm
High humidity can indeed be the culprit behind persistent odors in your closet. In environments such as Dubai and the UAE, where extreme temperatures and high levels of humidity are common, especially during certain seasons, it is crucial to understand how these conditions contribute to musty smells.

In indoor spaces like closets, high relative humidity (RH) often leads to condensation on cooler surfaces, creating an ideal environment for mold and mildew growth. The presence of such microorganisms can produce volatile organic compounds (VOCs), leading to that characteristic musty odor you've noticed. Moreover, the continuous moisture can cause discoloration or staining on walls and other materials, as you have observed around your bedroom window.

For a comprehensive solution, it is essential to first identify the source of the high humidity. In Dubai, with its close proximity to the Arabian Gulf, air conditioning units often struggle to maintain optimal indoor RH levels, especially during summer months when temperatures soar. Ensuring that your HVAC system is functioning efficiently can be a starting point in reducing moisture levels.

Additionally, implementing dehumidification systems within your home, particularly in areas like closets and bathrooms where moisture tends to accumulate, could significantly alleviate the issue. In Dubai, you might consider portable or central dehumidifiers that can operate 24/7 to maintain RH levels below critical thresholds (typically recommended to be below 60%).

Regular inspection of these systems by a professional is highly advised. The UAE Building Code (UAE Federal Law No. 13 of 1985) mandates certain standards for indoor environmental quality, and while not directly related to dehumidification, ensuring compliance with such regulations indirectly supports the maintenance of healthy indoor air.

Practically speaking, implementing a routine cleaning schedule in your closet can also help manage moisture. Use absorbent materials like silica gel or baking soda to soak up excess moisture. Keeping clothes properly hung rather than piled on the floor can enhance airflow and reduce humidity levels around stored items.

Lastly, addressing any water leaks or condensation issues promptly is vital. Leaky pipes or air conditioning units should be repaired immediately to prevent ongoing moisture problems that can exacerbate odors and damage your property.

In summary, tackling high humidity in your closet requires a multifaceted approach, from understanding the root causes to implementing practical solutions like dehumidification and regular maintenance. For serious cases, consulting with professionals like Saniservice could provide tailored advice specific to your home's unique conditions in Dubai.
Posted by Sani Admin
Answered on March 1, 2026 7:38 pm