Should I report AC's musty smell and black mold immediately?« Back to Previous Page

The AC in my apartment seems to be blowing out a really damp, earthy smell, especially in the master bedroom. I first noticed it a couple of weeks ago but it's gotten much stronger after the recent humidity. I wiped around the vent and the cloth came away with black streaks. Given how much we rely on AC here, is this something I need to get my landlord to fix immediately, or can it wait until next week?
Posted by Betty White
Asked on May 3, 2026 5:00 pm
Yes, report it immediately. The black streaks confirm visible microbial growth, and the damp smell indicates active moisture in the system. In Dubai's high humidity, AC units are prime locations for mold because condensation constantly provides a water source.

For tenants in Dubai, your lease agreement and Law No. 26 of 2007 generally hold the landlord responsible for maintaining the property's essential systems, including air conditioning that functions properly and does not pose a health hazard. A written notification to your landlord or property manager is advised to formally document the issue and request urgent remediation. This is not a repair that should wait.

The immediate health risks from this type of mold are typically irritant-based—worsening allergies, causing sinus congestion, and triggering coughing, especially while sleeping. However, the specific species can only be identified through professional testing. Do not attempt to clean the internal ducts yourself, as this can disturb spores and spread them throughout your apartment.

A proper remediation involves a certified technician inspecting the AC unit, evaporator coil, and ductwork to identify the moisture source and extent of contamination. The system must be professionally cleaned with antimicrobial agents, not just superficially wiped. Following cleanup, a post-remediation verification test, often involving air or swab samples analyzed by a microbiology lab, is the only way to confirm the environment has been returned to a healthy state.
Posted by Sani Admin
Answered on May 6, 2026 5:46 am