Urgent to clean AC mold causing health issues?« Back to Previous Page

Our AC unit in the bedroom has been leaking a bit for the last few weeks, and now I've spotted a patch of black, fuzzy mold growing on the wall behind the curtain. My wife has started waking up with a stuffy nose and a sore throat every morning. How urgent is it that we get this professionally cleaned, and can I handle it myself with bleach in the meantime or is that a bad idea?
Posted by Matthew Harris
Asked on April 6, 2026 4:45 am
Given your wife's symptoms and the visible growth, this situation is urgent. The persistent AC leak creates constant dampness, and Dubai's high humidity provides the ideal environment for mold to thrive. Her morning congestion and sore throat are common reactions to mold exposure.

Do not use bleach. It's ineffective on porous surfaces like drywall, as it only bleaches the surface mold without killing the roots. More critically, improper cleaning can aerosolize spores, potentially worsening your wife's respiratory issues.

Immediate steps: 1) Stop the leak at its source. Turn off the AC unit's breaker to prevent further electrical risk and water damage. 2) Do not disturb the mold patch. Avoid touching it or spraying anything on it. 3) Increase ventilation in the room by opening windows if outdoor humidity is low.

Professional remediation is strongly advised here. The mold is on a building material, not just the AC unit, indicating a deeper moisture issue. A proper inspection will identify the exact species and the full extent of contamination behind the wall. Reputable companies follow DM and DHA guidelines for containment and removal, using HEPA filtration to prevent cross-contamination, which is impossible to achieve yourself. They can also rectify the AC leak's cause to prevent recurrence.
Posted by Sani Admin
Answered on April 6, 2026 11:14 pm