AC mold behind wardrobe: DIY bleach or call professional?« Back to Previous Page

For a patch that size, especially with an active leak, calling a professional is strongly recommended. The visible mold is often just the surface growth; the real issue is the moisture trapped inside your wall and potentially in the insulation, which bleach cannot reach.

Bleach is surface-active and ineffective on porous materials like drywall and concrete. It can also release the mold spores into the air, worsening the problem. In Dubai's high humidity, the underlying cause—the AC condensate leak—must be professionally repaired first. Otherwise, the mold will return quickly.

A proper remediation involves isolating the area, removing the contaminated porous materials (like that section of drywall), HEPA vacuuming, and antimicrobial treatment to address the root cause. For a dinner-plate-sized area, the cost is typically not for a major project, but you should request an on-site assessment. The final price will depend on the extent of the hidden damage and the repairs needed to the AC unit itself to prevent recurrence.