Why won't dehumidifiers eliminate my closet mold smell?« Back to Previous Page

After the rain last month, I noticed a persistent musty smell in my bedroom closet, especially after it rained. The humidity seems to be an issue, as I can see condensation forming on the windows every morning. I’ve been trying different dehumidifiers and opening windows during sunny days, but the smell hasn't gone away. Has anyone had similar issues and what did you do to prevent mold from coming back?
Posted by Mansoor Jaber
Asked on February 2, 2026 3:30 am
The issue of persistent musty smells and visible condensation after rain is quite common in the UAE, particularly in areas like Dubai where the climate can be challenging for maintaining consistent indoor humidity levels. Dehumidifiers are a useful tool but may not always suffice to eliminate mold odors due to several factors.

Firstly, it's important to understand that dehumidifiers function by removing moisture from the air, which is effective at reducing overall humidity and preventing new mold growth. However, they often struggle with existing moisture trapped in materials or surfaces. Mold spores can remain dormant for years and when conditions become favorable, such as increased indoor humidity, they may start to grow again.

In your case, it seems that dehumidifiers might not be enough because the musty smell persists despite their use. This could indicate a need for a more thorough approach involving both immediate actions and long-term solutions:

1. Professional Inspection: Given the persistent nature of the issue, it would be prudent to have your space inspected by professionals who can identify areas with hidden mold growth or moisture issues. In Dubai, companies like Saniservice provide expert mold inspections that adhere to local regulations.

2. Thorough Cleaning and Drying: Focus on thoroughly cleaning affected areas using appropriate detergents and then ensuring they are completely dried out. For example, the closet where you noticed the smell might need a thorough clean with water and detergent followed by airing it out or using fans to speed up drying.

3. Ventilation: Enhance natural ventilation in your home by opening windows during sunny days as you've been doing. However, consider installing an exhaust fan in the closet to improve air circulation and remove musty odors effectively.

4. Sealing Gaps: Check for any gaps or leaks that might be allowing moisture ingress from outside. Seal these properly using caulk or weatherstripping to prevent future issues.

5. Use of Anti-Microbial Products: Applying anti-microbial treatments on surfaces can also help in preventing mold growth, but always ensure they are suitable for indoor use and follow safety guidelines.

6. Regular Monitoring: Keep an eye on humidity levels with a hygrometer and aim to maintain them between 30-50%. Higher than this range increases the risk of mold growth.

If these steps do not resolve the issue, it might be time to contact Saniservice or another reputable company for comprehensive remediation services. Remember, prevention is key, but when dealing with persistent issues, a professional touch can make all the difference.

Call 800-MOLDS or 800-66537 or email hello@saniservice.com if you need assistance.
Posted by Sani Admin
Answered on February 4, 2026 11:29 am