Is dampness near window due to poor ventilation?« Back to Previous Page

After the heavy rains last month, I noticed a persistent dampness in the corner of our living room near the window. Every time I open that window now, there’s a musty smell that lingers even after airing out the space for hours. The AC seems to struggle more than usual too, but I’m not sure if it’s related. Could this be due to water seepage or poor ventilation? How can I prevent this from happening again and make sure our home stays dry and fresh?
Posted by Qiang Choi
Asked on February 26, 2026 5:15 pm
Dampness near windows can indeed be attributed to poor ventilation, especially after heavy rains. In the UAE, specifically Dubai, it's common to experience humidity fluctuations and potential moisture intrusion. This situation you're describing sounds like a classic case where poor air circulation could exacerbate the problem.

In such scenarios, it is crucial to ensure that your building’s envelope is well-sealed yet allows for adequate ventilation. Window areas are particularly susceptible as they can be points of both entry for moisture and poor airflow. The musty smell you're experiencing might indicate a mildew or mold issue, which could thrive in moist conditions.

It's advised to perform an inspection by professional environmental inspectors who adhere to UAE standards such as EN 15232-2008 for measuring indoor air quality (IAQ) and UAE Regulation No. 7 of 2006 on the control of building materials and construction work. These professionals can assess your home's ventilation systems, check for any leaks or structural issues that could be contributing to moisture buildup.

To prevent future occurrences:
1. Enhance natural ventilation by ensuring windows are regularly opened in appropriate weather conditions.
2. Consider installing mechanical ventilation systems like exhaust fans or whole-house ventilation units.
3. Regularly clean and maintain your HVAC system to ensure it operates efficiently, which can help manage indoor humidity levels.
4. Use dehumidifiers if the humidity level is consistently high.

Additionally, ensuring proper drainage around your home’s foundation and sealing any gaps in walls and floors where moisture might enter are essential steps. If you notice persistent dampness or unpleasant odors despite these efforts, it may be time to call upon professionals for a thorough inspection and remediation plan. Remember, addressing such issues early can prevent more serious problems like structural damage or health risks associated with mold growth.

Call 800-MOLDS or email hello@saniservice.com for professional assistance tailored to the unique challenges of living in Dubai's climate.
Posted by Sani Admin
Answered on March 1, 2026 9:15 am