How can I stop musty odor from windows?« Back to Previous Page

After the heavy rains last month, I noticed a musty odor seeping into my living room through the window. The smell is particularly noticeable when the air conditioning is on, as it seems to circulate the dampness throughout the space. We’ve lived here for 2 years and just noticed this, and now I’m worried about it recurring. How can I prevent water from entering through the windows and get rid of this musty smell permanently?
Posted by Christopher Smith
Asked on December 23, 2025 12:05 pm
The musty odor issue you're experiencing is quite common post-rainfall conditions and can be a result of dampness, mold growth, or other moisture-related issues. To address this effectively, we need to tackle both the source of the moisture and any resultant microbial activity.

Firstly, it's crucial to understand that in Dubai, the climate can sometimes lead to condensation issues due to rapid temperature changes between indoors and outdoors. This phenomenon can be exacerbated by poorly sealed windows or gaps around them. To prevent water from entering through your windows:

1. Examine Your Windows: Inspect all window seals for any damage or gaps. In the UAE, particularly in areas like Dubai, where sandstorms are common, window seals might have deteriorated over time. Check for cracks, missing glazing putty, or loose panes.

2. Use Weatherstripping: Apply weatherstripping to windows that do not seal properly. This can significantly reduce air leaks and prevent moisture from entering your living space. In Dubai, it’s advisable to use high-quality materials designed for the region's climatic conditions.

3. Ventilation: Ensure proper ventilation in your home, especially around areas where condensation might occur. Use exhaust fans in bathrooms and kitchens, and consider installing a whole-house fan or an energy recovery ventilator (ERV) if necessary.

4. Drying Out Moisture: Once moisture has entered your living room, it’s important to address the issue quickly before mold can establish itself. Use a dehumidifier to reduce the humidity level in the area. In Dubai’s climate, maintaining indoor relative humidity between 30-50% is recommended.

5. Professional Inspection: Given the UAE's stringent building codes and standards for indoor air quality, it might be wise to schedule a professional inspection from a company that specializes in environmental inspections and remediation. They can identify any hidden sources of moisture and recommend appropriate treatments.

6. Cleaning and Disinfecting: If mold is present or suspected, thoroughly clean affected areas using EPA-registered disinfectants. For severe cases, it’s recommended to contact professionals who are certified in mold remediation for safe and effective removal.

7. Regular Maintenance: Lastly, establish a regular maintenance schedule for your windows and other parts of your home where moisture might accumulate. This includes cleaning gutters, ensuring proper roof sealing, and inspecting for any signs of water damage.

Remember, prevention is key when dealing with musty odors in Dubai’s climate. By addressing the root cause—whether it's from poor window seals or excessive humidity—you can effectively eliminate this issue and maintain a healthier indoor environment.

If you find that the musty odor persists despite your efforts or if you notice any visible mold growth, don't hesitate to contact professionals at 800-MOLDS or email hello@saniservice.com for assistance.
Posted by Sani Admin
Answered on December 25, 2025 1:43 pm