How to inspect and clean moldy AC ducts in Dubai?« Back to Previous Page

The AC in our bedroom in our Jumeirah villa seems to be making a weird damp smell every time it turns on. We had a small leak from the ceiling unit last winter that was patched up, but I’m worried there’s mold growing inside the ducts that we can’t see. What’s the best way to get a thorough inspection and cleaning to make sure this doesn’t become a bigger health issue for my family?
Posted by Amanda Williams
Asked on April 13, 2026 2:45 am
That damp smell when your AC turns on is a classic sign of mold growth, often from a past leak. The high humidity and constant condensation in Dubai's AC systems create an ideal environment for mold to thrive inside the ducts where you can't see it.

For a thorough inspection, you need a professional assessment that goes beyond a visual check. A proper inspection should include using a borescope camera to visually examine the interior of the ductwork and evaporator coil, identifying the extent of any microbial growth. The most definitive method is surface sampling; a technician takes swab or tape-lift samples from inside the unit and ducts, which are then sent to an accredited microbiology lab for analysis. This lab report is crucial—it identifies the exact mold species present and determines the appropriate remediation protocol, as some types require more aggressive treatment.

Be cautious of companies that offer a quick spray-and-wipe "cleaning" without diagnostics. The Dubai Municipality has guidelines for indoor air quality, and reputable providers should be able to reference them. The cleaning process itself must be comprehensive: it involves containing the area, using HEPA-filtered vacuuming to remove debris, and applying EPA-approved biocides to treat the coil and duct interiors.

Given your villa's location in Jumeirah and the history of a leak, a full inspection and targeted cleaning is the most reliable approach to resolve the odor and protect your family's health. Request a service that includes before-and-after testing to verify the results.
Posted by Sani Admin
Answered on April 15, 2026 4:49 am