How to stop mold and humidity in my Dubai home?« Back to Previous Page

My kids have been waking up with stuffy noses and we’ve noticed small black spots appearing in the corner of our master bedroom closet in Jumeirah. Even with the AC running constantly, the air just feels heavy and damp, especially in the mornings. What’s the most effective way to get the humidity under control to protect their health and stop the mold from spreading?
Posted by Nancy Robinson
Asked on March 9, 2026 4:51 am
Good morning from Dubai. This is a very common and serious issue we see, especially in older villas in Jumeirah. That "heavy and damp" feeling despite the AC running is a classic sign of an elevated relative humidity problem, and the black spots are a direct biological consequence. Here’s a breakdown of what’s happening and the most effective steps to take.

First, understand the root cause: Dubai's external climate has extremely high absolute humidity. Your AC is designed to cool the air, but its ability to dehumidify is often insufficient, especially if the unit is oversized, undersized, or not maintained. When the cooled, humid air hits cold surfaces (like a closet exterior wall or a window reveal), it condenses, creating the perfect breeding ground for mold spores.

Actionable Steps:

1. Immediate Containment: For the visible mold in the closet, do not attempt to clean it with bleach. This can exacerbate the problem. A HEPA vacuum and a microfiber cloth dampened with a detergent solution can remove surface growth temporarily, but this does not address the moisture source.

2. Professional Inspection is Critical: The symptoms you describe, especially the health impacts on your children, warrant a professional assessment. We use thermal imaging cameras and precise hygrometers to identify hidden condensation points, leaks, and the exact humidity levels throughout the property. This is non-negotiable for an effective, permanent solution. The UAE's regulatory framework for indoor air quality (UAE.S 5010:2021) emphasizes the need for proper investigation to ensure a healthy environment.

3. Engineering Solutions: Based on the inspection, the most effective remedy is often the installation of a whole-home dehumidification system that works in tandem with your AC. This is far more effective than small portable units. Additionally, ensuring your AC drain pans and lines are not clogged and that the unit's fan is set to "AUTO" and not "ON" to allow proper moisture removal cycles is crucial.

To stop the spread and protect your family's health, you need to identify and eliminate the moisture source. I strongly recommend you get a certified expert on site.

Call our team at 800-MOLDS (800-66537) or email hello@saniservice.com to schedule a comprehensive humidity and mold assessment. We can provide you with a detailed report and a scientifically-backed remediation plan.
Posted by Sani Admin
Answered on March 10, 2026 5:15 pm