How to permanently remove mold from AC wall in humid Dubai?« Back to Previous Page

The AC in my apartment in Jumeirah Village Circle seems to be leaking a little, and now I’ve found black spots spreading on the wall behind the bedroom curtain. The room has started to feel damp, especially at night. What’s the most effective way to kill this mold for good and stop it from coming back, considering our humidity?
Posted by Sultan Hussein
Asked on March 28, 2026 4:50 am
The most effective way to permanently remove mold from an AC wall in Dubai requires addressing both the visible growth and its hidden moisture source. The humidity here means mold will return unless the root cause is fixed.

Start by having a professional inspect the AC unit. The leak is likely causing constant dampness inside the wall cavity, which you cannot see. They will identify if the drain line is clogged, the drip pan is cracked, or if insufficient insulation is causing excessive condensation. Repairing this leak is the non-negotiable first step to stop the moisture.

For the wall itself, simply wiping the surface is insufficient. The mold has likely penetrated the porous materials. Effective remediation involves isolating the area, removing contaminated drywall or plaster if necessary, and using professional-grade antimicrobial agents to treat the remaining structure. In many villas and apartments, this is a job for certified remediators to prevent spreading spores.

After removal, ensure the wall is completely dry using dehumidifiers before repainting. Use a mold-resistant primer and paint specifically designed for high-humidity environments. To prevent recurrence, maintain indoor humidity below 60% with a dehumidifier, ensure your AC is serviced quarterly to keep drain lines clear, and improve air circulation in the room by occasionally opening windows when the external humidity is lower.
Posted by Sani Admin
Answered on March 28, 2026 4:59 pm