Is fixing the AC leak the key to stopping mold?« Back to Previous Page
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The AC unit in our master bedroom in Jumeirah Park has been leaking a bit, and now we’ve found black spots of mold starting to form on the back of the wardrobe that’s against the wall. We had a company come to clean it last week, but the damp smell is already coming back. What’s the most important step we’re probably missing to stop this from coming back again after the next cleanup?
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Yes, fixing the AC leak is the single most critical step. The recurring damp smell confirms the moisture source is still active. In Dubai's climate, any continuous moisture from an AC unit, combined with our high humidity, will cause mold to return within days, no matter how thoroughly you clean the visible growth.
The cleanup likely only addressed the symptom—the mold on the wardrobe surface. The real problem is hidden moisture within your wall cavity or the AC system itself. The leak is saturating the wall, creating an ideal environment for mold to regrow from the inside out. Your priority is a two-part action: repair and verify. First, a certified AC technician must locate and permanently fix the leak, which is often a blocked condensate drain line—a very common issue here due to dust and high usage. Second, a mold assessment is needed to confirm the moisture has not spread behind the wall. This often requires a professional inspection with a borescope and moisture meters to check the cavity's condition. Until the leak is resolved, no cleaning product will provide a lasting solution. After the repair, the affected section of the wall and wardrobe must be properly remediated to remove all microbial growth; simply wiping the surface is insufficient. For a case with recurring issues, a post-remediation verification test from an independent lab is the only way to confirm the environment is truly dry and the mold has been adequately addressed. |
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