Is damp smell from AC a mold issue?« Back to Previous Page

After the heavy rains last month, I noticed a strange damp smell coming from the air conditioning unit in our living room. It's only been there since we installed the new system about six months ago. The kids have been complaining of itchy eyes and runny noses too. Could this be a sign of mold growth? What should I do to check or clean the AC to prevent any health issues?
Posted by Brian Scott
Asked on February 6, 2026 7:20 pm
Yes, the damp smell emanating from your air conditioning unit could indeed be indicative of mold growth. In Dubai and the UAE in general, we experience relatively dry climates which generally do not favor mold development; however, unusual conditions like heavy rains can disrupt this balance and lead to moisture retention within HVAC systems.

Mold thrives in environments with humidity levels above 60%, and since you've experienced recent rainfall, it's plausible that excess moisture has settled within your AC unit. Mold spores can cause respiratory issues such as coughing, sneezing, runny nose, or itchy eyes—symptoms which your children are experiencing.

To address this situation effectively, here’s a step-by-step approach you should consider:

1. Inspection by Professionals: Given the potential health risks and considering UAE-specific regulations, it would be prudent to have a professional inspection conducted. The local number 800-MOLDS (800-66537) is an option for such services.

2. Immediate Action Steps:
- Turn off your AC system temporarily.
- Ensure good ventilation in the affected room(s).
- Visually inspect the AC unit, focusing on areas where condensation might be present—such as around drip pans or within ductwork that may have water accumulation.

3. Cleaning and Maintenance: If you decide to attempt a cleaning yourself, ensure you follow proper safety protocols:
- Wear appropriate protective gear including gloves and masks.
- Clean the evaporator coils and filters thoroughly using a solution of water and mild detergent. Rinsing is crucial after washing.
- Inspect all ducts for signs of dampness or mold growth—clean these if necessary, but be cautious when handling any wet materials.

4. Preventive Measures:
- Regular maintenance: Schedule routine checks and cleanings with a professional to prevent future issues.
- Dehumidification: Use dehumidifiers in high-moisture rooms or during rainy seasons.
- Proper Drainage: Ensure that the AC system’s drainage lines are properly installed and not clogged.

Remember, while DIY cleaning can be effective, it might not always address all underlying issues. Professional assistance ensures a thorough job and minimizes risks to your health and property.

If you encounter any difficulties or if symptoms persist, do not hesitate to contact Saniservice via email at hello@saniservice.com for further guidance.
Posted by Sani Admin
Answered on February 7, 2026 9:25 pm