Is our AC mold causing allergy symptoms?« Back to Previous Page

The AC vent in our bedroom in Jumeirah has been leaking a bit for the last couple of months, and we've got these black speckles forming on the wall next to it. Since the weather got more humid, my husband and I have both had a persistent stuffy nose and itchy eyes that seem to clear up when we're at work all day. Could this mold be the cause of these allergy-like symptoms, and how urgent is it that we get it professionally cleaned?
Posted by Minh Tanaka
Asked on March 27, 2026 11:05 am
Based on your detailed description, it is highly probable that the microbial growth from the leaking AC unit is the direct cause of your allergic symptoms. The black speckles are a classic indicator of mold growth, likely Cladosporium or Stachybotrys, which are common in water-damaged building materials. The persistent stuffy nose and itchy eyes are hallmark symptoms of mold exposure, and the fact that your symptoms alleviate when you leave the contaminated environment strongly supports this diagnosis.

The humid climate of Dubai, especially in recent months, creates a perfect breeding ground for mold. The condensation from a leaking AC unit provides the consistent moisture required for colonies to proliferate and release mycotoxins and spores into your bedroom's air. Since you spend several hours sleeping in this environment, your exposure is prolonged, leading to the persistent symptoms you describe.

This situation requires a professional assessment. In the UAE, remediation must adhere to strict guidelines like the DM Guidelines and AD EHSMS to ensure the mold is removed correctly and the underlying moisture issue is resolved to prevent recurrence. DIY cleaning is not recommended as it can disturb the colony, causing a significant and hazardous release of spores.

I strongly advise you to contact a certified professional immediately. Our team at Saniservice can conduct a comprehensive inspection, including air and surface sampling, to identify the species and extent of contamination. We will then execute a controlled remediation plan. Please call us at 800-MOLDS (800-66537) or email hello@saniservice.com to schedule an inspection. Addressing this promptly is crucial for your long-term health and the integrity of your property.
Posted by Sani Admin
Answered on March 29, 2026 8:51 pm