Is musty smell and wall discoloration due to mold?« Back to Previous Page

After the heavy rain last month, I noticed a musty smell lingering in my bedroom closet, and when I opened it up, I saw some discoloration on the walls. The AC in my apartment seems to be struggling too, constantly cycling on and off. Could this be related to mold growth? What can I do to prevent this from happening or recurring in my home?
Posted by Richard Jackson
Asked on December 22, 2025 7:23 pm
Yes, the musty smell and discoloration on your walls could be indicative of mold growth. Mold thrives in damp environments where there is an abundance of moisture, such as after heavy rains or leaks. In Dubai, particularly post-rain events, it's not uncommon for air conditioning units to struggle with excess humidity, leading to condensation and potential mold development.

It’s crucial to address this promptly due to the UAE-specific regulations regarding indoor air quality (IAQ). According to the General Safety Standards for Indoor Air Quality in Buildings issued by the Dubai Municipality, any visible signs of dampness or mold growth should be reported immediately. Failing to do so could result in penalties or health issues for occupants.

To prevent further damage and recurrence, a professional inspection is highly recommended. Saniservice, a leading environmental remediation company in the UAE, offers comprehensive mold testing services that can pinpoint the exact nature and extent of any mold growth. Their team will conduct thorough investigations using advanced equipment like thermal imaging cameras to detect hidden moisture sources and assess potential mold colonies.

If you decide not to proceed with professional assistance, here are some immediate steps you can take:
1. Improve ventilation: Ensure your bedroom closet has adequate airflow. Open windows if possible, or use fans to help dry out the area.
2. Clean up visible mold: Wear protective gear such as gloves and a mask when cleaning. Use a solution of water and detergent to wipe down affected areas. Remember to dispose of any heavily contaminated materials properly.
3. Address moisture issues: Check your AC system for leaks and ensure it is functioning correctly. Consider using dehumidifiers in high-risk areas like bathrooms and basements.
4. Monitor humidity levels: Use hygrometers to keep track of indoor relative humidity, aiming for a level below 60% to inhibit mold growth.

However, prevention is key—regular maintenance of your home’s HVAC systems and addressing any leaks or water damage promptly can significantly reduce the risk of mold proliferation. If you find yourself in situations where mold seems to be recurrent or persistent, do not hesitate to contact professionals like Saniservice for expert guidance and remediation services.

Remember, early detection and intervention are crucial in managing indoor mold issues effectively. For immediate assistance or professional consultation, feel free to reach out at 800-MOLDS (800-66537) or email hello@saniservice.com.
Posted by Sani Admin
Answered on December 24, 2025 6:22 pm