How to fix AC leak and prevent mold in closet?« Back to Previous Page

First, stop the water leak. This is the priority. Check if the condensate drain line from your indoor AC unit is clogged; it's a common issue here due to dust and humidity. A simple DIY method is pouring a mixture of warm water and vinegar down the drain line access point to clear minor blockages. Ensure the drain pan is not cracked and is properly sloped.

For the existing mold on the wall, the small black spots suggest surface growth. Wearing an N95 mask and gloves, scrub the area with a detergent solution. Avoid bleach; it doesn't prevent regrowth and can damage surfaces. For porous materials like drywall, if the staining is deep, the affected section may need to be cut out and replaced.

Preventing its return is critical in Dubai's climate. The closet's lack of airflow creates a microclimate. Keep the closet door open periodically to allow air circulation. If the closet has a vent, ensure it's not blocked by stored items. Consider using a small, renewable desiccant dehumidifier inside the closet to absorb excess moisture from the constant AC operation.

For a persistent leak you cannot fix or if the mold coverage is extensive (more than a few square feet), or if there's a musty odor, professional assessment is recommended. They can conduct a moisture meter inspection to identify hidden dampness within the wall cavity and perform air or surface sampling to identify the mold type, which dictates the correct remediation protocol.