How to safely remove mold from AC for toddler?« Back to Previous Page

The AC in our master bedroom closet has been leaking on and off for a couple of months, and now I’ve found a patch of black mold on the back wall behind my wife’s clothes. Our toddler has been waking up with a stuffy nose every morning for the past week, and we’re getting really worried. What’s the fastest and safest way to deal with this to protect our family?
Posted by Akira Hoang
Asked on March 10, 2026 5:32 pm
Based on the symptoms you're describing—especially the toddler's recurring stuffy nose—this is a situation that requires immediate and professional attention. The black patch behind the clothes is likely just the visible tip of the iceberg; the real contamination is almost certainly inside the AC unit and its ductwork, which is then being aerosolized and blown directly into your bedroom air.

In the UAE's high humidity, AC leaks are a primary cause of severe mold infestations. Attempting a DIY clean on the wall with bleach or vinegar is ineffective and dangerous. It will not address the source within the AC system, and worse, it will disturb the mold, causing a massive release of spores that your family will inhale.

The only safe and effective protocol is as follows:

1. Cease Operation: Turn off the AC unit serving the master bedroom immediately to prevent further spore dissemination.
2. Contain the Area: Keep the closet closed and restrict access, especially for your toddler.
3. Professional Inspection & Remediation: This is not optional. A certified mold inspector will conduct air and swab testing to identify the species (crucial for understanding health risks) and determine the full extent of the contamination. Remediation involves engineering controls: sealing the area with negative air pressure, HEPA vacuuming the affected materials, and using specialized antimicrobial agents for sanitization. The AC system itself will need a thorough hygienization by HVAC specialists.

Given the health impact on your child, I strongly recommend you call in experts. We follow strict Dubai Municipality guidelines for indoor air quality and remediation. Please call us at 800-MOLDS (800-66537) or email hello@saniservice.com for an emergency assessment. Your family's health is paramount.
Posted by Sani Admin
Answered on March 13, 2026 4:58 am