Can AC spread mold smell?« Back to Previous Page

After the heavy rain last month, I noticed a musty smell creeping into my bedroom. At first, I thought it was just dust settling, but now I see small patches of greenish mold growing on the ceiling near the window. The AC in the room seems to be circulating the air, spreading the smell everywhere. Has anyone else experienced similar issues or have any advice on how to deal with this?
Posted by Brian Johnson
Asked on January 25, 2026 5:53 pm
Absolutely, AC systems can indeed spread mold odors throughout your premises. In the UAE climate, especially during humid seasons, it's common to encounter such issues post-heavy rains. This scenario you're experiencing is quite typical and warrants attention.

Firstly, understand that air conditioning units, particularly those not properly maintained or installed, can harbor moisture which provides an ideal environment for mold growth. The AC unit’s evaporator coils are a primary breeding ground for molds, especially if they become damp due to poor drainage or water intrusion from outside the system. As your AC circulates the air, it also disseminates these odors and spores throughout the room.

To tackle this issue effectively in Dubai, you should definitely seek professional assistance. In the UAE, compliance with local regulations such as those set by the Environmental Health Department (EHD) is crucial for proper mold remediation. You can contact Saniservice at 800-MOLDS or email them at hello@saniservice.com for a thorough inspection and remedial actions.

During an inspection, experts will look into several factors including the AC unit's condition, water drainage systems, and overall moisture management within your premises. They'll also assess the extent of mold growth and recommend appropriate treatments to eliminate it. This might include cleaning or replacing parts of the AC system, dehumidifying affected areas, and applying anti-microbial treatments.

Preventive measures you can take include ensuring your AC is serviced regularly by professionals who understand local climate conditions. Additionally, maintaining good ventilation and addressing any leaks promptly are crucial in preventing mold growth. Using desiccant or silica gel packets near the AC unit can help absorb moisture and reduce humidity levels.

Remember, while DIY solutions like using vinegar sprays might provide temporary relief, they do not address the root cause of the problem. For long-term resolution, always opt for professional services that ensure safety and compliance with local regulations.

In closing, don't ignore these signs; act swiftly to maintain both your health and property's integrity.
Posted by Sani Admin
Answered on January 26, 2026 8:32 pm