Is high humidity causing mold growth?« Back to Previous Page

After the rain last month, I noticed a persistent musty smell in my bedroom, especially when the windows are closed. The AC in our apartment seems to struggle to keep up with the humidity levels, even though we have it on maximum. My kids have been complaining of chest discomfort and coughing more frequently lately, which has me worried that it might be related to the high humidity. Is there anything I can do to address this issue and make sure my family stays healthy?
Posted by Kevin King
Asked on January 15, 2026 7:09 pm
High humidity levels can indeed lead to mold growth and pose significant health risks. In the UAE, especially during the rainy seasons like September and October, maintaining indoor air quality becomes crucial due to the potential for moisture-related issues. The scenario you've described – a persistent musty smell in your bedroom, coupled with frequent complaints of chest discomfort and coughing by your children – strongly suggests that high humidity is contributing to mold growth.

Firstly, it's essential to understand the relationship between relative humidity (RH) and mold growth. Mold thrives when indoor RH levels exceed 70%. In Dubai, which experiences significant temperature fluctuations, maintaining a consistent low RH level can be challenging. The AC system in your apartment is clearly struggling, indicating that the current setup may not be adequate for managing high humidity.

To address this issue effectively, I recommend conducting a professional environmental inspection. This will help identify the extent of mold growth and pinpoint any underlying issues such as leaks or inadequate ventilation. In Dubai, it's common to find areas with higher relative humidity due to external factors like rainfall and indoor sources like poorly sealed windows or malfunctioning HVAC systems.

Until you can arrange for an inspection, here are some immediate steps you can take:

1. Improve Ventilation: Open windows when the outdoor air is less humid (usually in the morning). Use exhaust fans in bathrooms and kitchens to reduce moisture buildup.
2. Use Dehumidifiers: Consider purchasing a dehumidifier with a capacity that suits your room size. A good rule of thumb is one gallon per 500 square feet for residential use, but consult local professionals for precise recommendations based on your space.
3. Regular Cleaning and Maintenance: Dust and clean regularly to prevent mold spores from settling and growing. Use microfiber cloths which are more effective at capturing fine particles.
4. Adjust Your HVAC System: If possible, adjust the settings of your AC system to ensure it operates efficiently. Sometimes, adjusting the temperature set point slightly can help in managing humidity better.

Remember, persistent issues may require professional remediation services. The UAE has specific regulations regarding mold and indoor air quality, so ensuring compliance is important for both health and legal reasons.

If you decide to proceed with these steps or seek professional assistance, don't hesitate to reach out to companies like Saniservice at 800-MOLDS (800-66537) or via email hello@saniservice.com. They can provide tailored solutions based on local conditions and regulations.

Acting promptly will help safeguard your family's health by addressing the high humidity issue effectively.
Posted by Sani Admin
Answered on January 18, 2026 6:50 pm