Is AC mold causing my sore throat in Dubai?« Back to Previous Page

The AC in my apartment seems to be blowing out a damp, earthy smell, especially in the master bedroom. I’ve been waking up with a stuffy nose and a sore throat for the past couple of weeks, and I just found a patch of black spots in the corner behind the wardrobe. Could this mold be causing my symptoms and what’s the best way to handle it in Dubai’s humidity?
Posted by Meena Bose
Asked on April 15, 2026 11:20 pm
Yes, AC mold can absolutely be the cause of your sore throat and stuffy nose. The damp, earthy smell is a classic indicator of microbial growth inside the unit or its ducts. In Dubai's climate, where ACs run almost constantly, condensation inside the system creates a perfect damp environment for mold to thrive, which is then blown directly into your bedroom air.

The symptoms you describe—waking up with a sore throat and congestion—are common reactions to inhaling mold spores and microbial volatile organic compounds (mVOCs). The patch of black spots behind the wardrobe confirms a moisture issue in that room, likely from humidity or a small, unseen condensation leak.

For a situation like this, a two-step approach is best. First, address the visible mold on the wall with a solution of diluted vinegar or a dedicated mold cleaner, ensuring you wear a mask during cleaning. Crucially, the AC system itself must be professionally inspected and cleaned. DIY cleaning of internal coils and ducts is ineffective and can disturb spores. A reputable service will use methods that contain the contamination and should provide before-and-after evidence of cleanliness, such as tape lift samples analyzed by a microbiology lab, to confirm the source is resolved. This is the only way to stop the continuous circulation of allergens. Managing indoor humidity with a dehumidifier can also help prevent recurrence.
Posted by Sani Admin
Answered on April 17, 2026 11:25 am