AC leak causing black spots: DIY or call a professional?« Back to Previous Page

The black spots indicate active mold growth, and vinegar is often insufficient in Dubai's humid climate. The recurring dampness and smell confirm the mold colony is established within the carpet fibres and likely the underlying pad.

This situation requires a professional assessment. The primary issue is the AC leak; until that is repaired by a licensed HVAC technician, any cleaning is temporary. Constant condensation from AC units is a common source of moisture in UAE homes. The mold growth on porous materials like carpet and padding is difficult to fully address DIY, as spores penetrate deep where cleaning solutions cannot reach.

For a small, surface-level area, a thorough cleaning with a solution like diluted vinegar or a dedicated mold cleaner can be attempted, but you must first fix the water source and ensure the area is completely dried with fans and dehumidifiers. However, since the dampness and odour returned quickly, the moisture problem persists and the root system is intact.

Professionals use moisture meters and thermal cameras to find hidden dampness, then remove and dispose of contaminated porous materials like carpet padding properly. They also employ HEPA vacuuming and antimicrobial treatments to address airborne spores. In many cases, the carpet pad must be replaced. Given the health risks of persistent mold, especially for those with allergies or asthma, and the complexity of ensuring it's fully eradicated, calling a certified mold inspector or remediation company is the most reliable course of action. They can provide a verified, science-based solution and post-remediation testing to confirm the environment is safe.