Could mold in AC cause our symptoms?« Back to Previous Page

After the rain last month, I noticed a musty smell in my bedroom closet, especially after turning on the AC. The humidity seems to be high there, and now both my partner and I have been experiencing headaches and stuffy noses. Could this be related to mold in our chiller unit? What should we do next?
Posted by Ghada Al-Sayed
Asked on February 9, 2026 1:11 am
Mold growth within an AC unit can indeed be a cause of the symptoms you and your partner are experiencing. The high humidity levels during rain events coupled with air conditioning systems that aren't adequately maintained or sealed properly can lead to moisture accumulation, providing ideal conditions for mold proliferation.

In Dubai, UAE, it's important to understand local regulations concerning indoor air quality and mold management. According to the Environmental Health Regulations of the Dubai Municipality, properties must ensure their HVAC systems are regularly serviced and tested to prevent such issues. Mold growth in AC units can not only affect your health but also damage the system itself.

Given the symptoms you've described - headaches and stuffy noses - it's prudent to suspect mold exposure as a potential cause. The musty smell in your bedroom closet, especially after turning on the AC, is another strong indicator of possible mold presence.

To address this situation effectively:

1. Professional Inspection: Contact a certified environmental inspection company for an assessment of your AC unit and indoor air quality. Companies like Saniservice (contact 800-MOLDS or email hello@saniservice.com) can provide thorough evaluations and remediation plans that comply with local regulations.

2. Air Sampling: Consider requesting air sampling to detect mold spores in your home, which can be done by professionals equipped with appropriate sampling equipment.

3. AC Maintenance: Ensure regular maintenance of your AC system includes cleaning the condenser coil, checking for any water leaks or pooling, and ensuring proper drainage. In Dubai, high ambient temperatures combined with occasional heavy rainfall necessitate diligent upkeep to prevent mold growth.

4. Ventilation: Enhance ventilation in areas prone to moisture buildup such as your bedroom closet. Use dehumidifiers if necessary to maintain indoor humidity levels below 60%.

5. Remediation Plan: If mold is found, a remediation plan should be implemented by professionals who understand the specific challenges of mold growth in Dubai's climate.

Remember, addressing this issue promptly can prevent further health issues and costly repairs down the line. By taking proactive steps, you can ensure better indoor air quality for yourself and your family.
Posted by Sani Admin
Answered on February 10, 2026 2:07 pm