Is dirty AC related to damp smell?« Back to Previous Page

After the rain last month, I noticed a persistent damp smell lingering in my bedroom, especially during the night. The AC filters get pretty dirty quickly, but I’m not sure if it’s my responsibility to clean them or if the landlord should handle that. Given how often we use the air conditioning here in Dubai, could this be related to duct cleaning issues?
Posted by Emi Huang
Asked on February 1, 2026 6:41 pm
0
Dirty AC can indeed be related to damp smell. In dubai and the UAE, it's not uncommon for air conditioning systems to accumulate dirt, dust, and moisture over time, especially during the rainy season or when there are fluctuations in humidity levels. This buildup can lead to a lingering damp odor, particularly noticeable at night.

In your case, the persistent damp smell in your bedroom could be linked to the quick dirtying of AC filters. While it is generally the responsibility of tenants to clean and maintain their own air conditioning filters, it's crucial for the overall system efficiency and indoor environmental quality. Neglected filters can restrict airflow, leading to a higher load on your AC unit, which may cause water to condense within the ducts and systems. This moisture can then breed bacteria, mold, or other microorganisms, contributing to that unpleasant odor.

However, this smell could also be indicative of more serious issues within the HVAC (Heating, Ventilation, and Air Conditioning) system itself, such as dirty or contaminated ductwork. In Dubai's climate, where AC systems are used year-round for cooling purposes, it’s important to ensure your ducts are regularly inspected and cleaned by a professional.

I’d recommend scheduling an inspection with a reputable company like Saniservice (call 800-MOLDS or email hello@saniservice.com). They can assess the overall condition of your HVAC system, including the ductwork, and provide necessary cleaning services. Regular maintenance is key to ensuring both comfort and safety in your home.

Remember, maintaining indoor environmental quality is not only about immediate discomfort but also long-term health benefits. Clean air is crucial for all residents, especially those with respiratory issues or allergies. Keep an eye on any unusual odors and consult professionals when needed.
Posted by Sani Admin
Answered on February 5, 2026 9:06 pm