AC leak causing black mold: DIY or pro in Dubai?« Back to Previous Page

Our master bedroom AC unit in our Jumeirah Park villa has been leaking into the wall for a while, and now we’re seeing these black splotches spreading behind the wardrobe. With the humidity lately, the damp smell is getting really strong. What’s the ballpark cost to get this professionally treated, and is it a DIY job or absolutely necessary to call in experts here in Dubai?
Posted by Betty Lewis
Asked on March 18, 2026 12:26 am
Based on your description of a long-term AC leak in your Jumeirah Park villa, this is a serious contamination issue that absolutely requires professional intervention. The black splotches spreading behind the wardrobe are a significant red flag.

This is not a DIY job. The combination of Dubai's high humidity and the persistent moisture from the AC leak has created an ideal environment for toxic black mold (likely Stachybotrys chartarum) to proliferate deep within the wall cavity. DIY cleaning with surface-level solutions like bleach is ineffective and dangerous; it will not address the root colony within the building materials and can aerosolize toxic spores, worsening indoor air quality and health risks. Proper remediation requires industrial-grade HEPA filtration, antimicrobial agents, and, crucially, the correction of the moisture source.

The ballpark cost for professional assessment and remediation for a situation like this can vary significantly based on the extent of the spread behind the wall. For a contained area of this nature, you could be looking at a range starting from AED 2,500 to AED 6,000 or more. This typically includes a comprehensive inspection with moisture meters and borescopes to determine the full extent, containment setup to prevent cross-contamination, safe removal of affected porous materials (drywall, insulation), hygienization of the area, and applying preventative coatings. The final cost is dependent on the square footage of contamination and the complexity of the access.

The first step is a certified inspection to assess the damage. We strongly recommend you contact a specialist immediately to prevent further structural damage and potential health issues. Call Saniservice at 800-MOLDS (800-66537) or email hello@saniservice.com for a detailed assessment and quotation. They will also advise on the necessary AC repair to prevent recurrence, which is critical in our climate where AC systems run year-round.
Posted by Sani Admin
Answered on March 20, 2026 12:37 pm