Could dirty ducts cause a musty smell?« Back to Previous Page

After the heavy rains last month, I noticed a persistent musty smell in my bedroom, especially when I open the windows. The AC filters are quite dirty, but that alone doesn't explain the lingering odor. Could this be an issue with the ducts? Have you ever cleaned your ducts and what did you notice after?
Posted by Elizabeth Anderson
Asked on January 22, 2026 5:37 am
0
Could dirty ducts cause a musty smell? This is quite possible. In the UAE, especially during our frequent humidity shifts and occasional heavy rains, your AC system can become a breeding ground for mold if left unchecked.

Dirty ducts are like a cozy home for molds, mildews, and bacteria. The moisture from the rain might have seeped into the HVAC system or there could be condensation forming within the ducts which is perfect for such microorganisms to thrive. When these organisms break down, they can emit that characteristic musty smell you're experiencing.

The AC filters are indeed a good first step in cleaning up your air quality, but if the smell persists, it's quite likely that the issue lies deeper - possibly within the ductwork itself. In Dubai and across the UAE, building codes do not specifically mandate regular duct cleaning, yet professional guidance is highly recommended to ensure your home’s indoor environmental quality.

Regular inspections by a certified HVAC contractor can help identify any issues before they become serious. Such an inspection can reveal if water damage has occurred or if there are other factors contributing to poor air quality. Once identified, the professionals can clean out the ducts effectively and safely, ensuring that no mold spores linger in your system.

I would recommend reaching out to a company like Saniservice who specialize in these areas. They offer professional duct cleaning services using advanced equipment to thoroughly clean all parts of the ductwork. You could give them a call at 800-MOLDS or email hello@saniservice.com for more details and schedule an inspection if needed.

Remember, maintaining good indoor air quality is crucial for everyone's health, especially with our changing climate in Dubai. Keeping those vents and ducts clean can go a long way towards ensuring you breathe easier in your home.
Posted by Sani Admin
Answered on January 27, 2026 2:09 pm