How to prevent mold in Dubai bedroom with constant AC?« Back to Previous Page

My kids have been coughing and I suspect it's because of the black spots I've found behind our bedroom dresser. We've lived here for 2 years and just noticed this after the recent humidity spike. I'm worried about their health and want to stop this from coming back after I clean it. What's the most effective long-term solution to prevent mold in a Dubai bedroom, especially with the AC running constantly?
Posted by Timothy Scott
Asked on April 26, 2026 6:55 am
Black spots behind furniture are a classic sign of condensation-related mold, which is extremely common here due to our high humidity and constant AC use. The most effective long-term solution addresses both moisture and airflow.

First, manage humidity at its source. Keep your AC thermostat set between 22-24°C. A lower setting can cause the unit to cycle off too quickly, failing to remove enough moisture from the air. Ensure your AC unit’s drip line is not clogged, as a blocked drain will cause water to leak and elevate humidity levels indoors. Using a dehumidifier in the bedroom, especially during the more humid winter months, can help maintain a relative humidity level below 60%, which is the threshold where mold struggles to grow.

Second, radically improve air circulation. This is the most critical step for a bedroom. Move all furniture, especially large items like dressers and beds, at least 5-6 inches away from the walls. This allows conditioned air to flow behind them, preventing cold walls from creating a condensation trap where mold thrives. Avoid overfilling closets and ensure closet doors are left ajar periodically to allow air to circulate.

Simply cleaning the visible mold is a temporary fix. The underlying moisture issue will cause it to return. For health concerns with children, a professional inspection is recommended to identify the species and the full extent of the growth, as some types can become airborne and affect air quality. A proper assessment from a company with its own microbiology lab can provide a targeted remediation and prevention plan based on concrete data, not guesswork. This is the only way to ensure the problem is solved for good and your children's environment is healthy.
Posted by Sani Admin
Answered on April 27, 2026 2:00 pm