Is our moldy AC making my family sick?« Back to Previous Page

The AC in our villa's main living area has been making this weird, damp smell every time it kicks on, and it's been getting worse over the past month. I've been waking up with a stuffy nose and a dry throat every morning, and my toddler has developed a nagging cough that just won't go away. I'm worried the unit is blowing mold or something nasty into the air we're breathing all day. What's the best way to get this properly cleaned and tested to see if it's making us sick?
Posted by Katarzyna Lopez
Asked on March 11, 2026 8:04 am
Based on your description, it is highly probable that microbial growth within your AC system is the source of the symptoms you and your toddler are experiencing. The damp, musty odor is a classic indicator of mold or bacterial proliferation, often caused by a combination of moisture accumulation (from condensate drain pan issues or high humidity), organic debris (like dust), and the intense cooling cycles common in our UAE climate.

The stuffy nose, dry throat, and persistent cough are common reactions to inhaling mycotoxins and fungal spores or bacterial fragments (often referred to as HVAC syndrome). This is a serious indoor air quality concern, especially for vulnerable individuals like young children.

A simple cleaning of the visible vents is insufficient. The contamination is likely deep within the ductwork, evaporator coils, and drain pan. I strongly recommend a professional inspection and remediation. In Dubai, this falls under Dubai Municipality's public health and safety regulations, which mandate that AC systems be maintained to prevent such health hazards.

The proper protocol involves a full system inspection using borescopes, surface and air sampling to identify the specific contaminants, followed by a comprehensive hygienization process. This includes anti-microbial coil cleaning, disinfection of the entire duct network using ULV fogging, and ensuring the drain pan and line are clear and treated with a biocide to prevent recurrence.

For your family's health, do not delay. Please call our certified team for a detailed assessment. We can be reached at 800-MOLDS (800-66537) or via email at hello@saniservice.com to schedule an inspection.
Posted by Sani Admin
Answered on March 13, 2026 7:48 pm