aC causing headaches and odor: mold issue and who fixes?« Back to Previous Page

The gurgling sound and damp odor strongly indicate stagnant water in the drain pan or a clogged condensate drain line, which creates ideal conditions for microbial growth. Your symptoms—morning headaches and congestion that resolve when you leave the room—are consistent with exposure to poor indoor air quality, often from biological contaminants like mold or bacteria in the AC system.

In Dubai’s climate, where AC runs year-round and high humidity promotes condensation, this is a common issue. The constant recirculation of air means any contaminants are distributed directly into your breathing space. For a definitive answer, a professional inspection with surface or air sampling can identify the specific type and concentration of microbial growth.

Responsibility for repair depends on your contract. If you own the apartment, the internal AC unit (fan coil) and its maintenance are typically your responsibility. If you are renting, review your tenancy contract; maintenance of installed appliances often falls to the tenant unless otherwise stated. For central building systems, the owner’s association or building management is responsible for the central chiller and main ducts, but not the individual fan coil units inside apartments. Your first step is to check your contract and then report the issue to your landlord or building management, specifying the symptoms and the suspected AC issue.