Is black AC mold making my family sick?« Back to Previous Page

My kids have been coughing non-stop for the past two weeks and I just found what looks like black dust around the air vent in their bedroom. The AC unit itself has been making a gurgling noise and the air never feels completely cold anymore, even though it's running constantly. I'm really worried this mold from the chiller is making us sick. How quickly do I need to get this professionally cleaned and is it safe for us to stay in the apartment until it's fixed?
Posted by Anna Bianchi
Asked on March 13, 2026 8:29 pm
Based on your description, it is highly probable that microbial growth within your AC system is the source of the issue. The "black dust" is a strong visual indicator of mold colonization, and the persistent coughing in your children is a classic symptom of exposure to mycotoxins and spores. The gurgling noise and lack of cooling are critical signs; they point to a drainage problem within the chiller unit. This stagnant water is the perfect breeding ground for mold, which the blower then distributes throughout your apartment.

In the UAE's climate, AC systems work relentlessly, and this problem escalates rapidly. It is not safe to continue using this unit. Mold spores are actively being circulated, exacerbating respiratory issues. For vulnerable individuals like children, this can lead to more severe health complications.

You need immediate professional intervention. DIY cleaning is insufficient and can aerosolize spores, making the contamination worse. UAE regulations, particularly from Dubai Municipality, require that HVAC cleaning and mold remediation be conducted by certified professionals using specialized equipment like HEPA vacuums and antimicrobial fogging to ensure complete sanitization.

I strongly advise you to stop using the AC in that room and arrange for a certified inspection and hygienization service immediately. For a situation this advanced, do not delay.

Call our team at 800-MOLDS (800-66537) or email hello@saniservice.com to schedule an emergency inspection. We can assess the contamination level in your chiller unit and provide a definitive remediation plan to make your home safe again.
Posted by Sani Admin
Answered on March 14, 2026 11:13 pm