Could mold from chiller unit cause kids' symptoms?« Back to Previous Page

After the heavy rains last month, I noticed a musty smell in my bedroom closet. My kids have been complaining of headaches and runny noses, which worries me as it’s right above our bathroom. Could this be related to mold growth from the chiller unit? What signs should I look for or what steps can I take to ensure we’re safe?
Posted by Minji Tran
Asked on February 1, 2026 1:04 pm
Yes, it's quite plausible that mold from your chiller unit could be contributing to the symptoms your kids are experiencing. Chiller units can indeed become breeding grounds for mold if they're not properly maintained or if there's an issue with the condensate drainage system leading to moisture accumulation.

In the UAE, particularly in Dubai, humidity levels often rise during the summer months, creating a prime environment for mold growth. Given your recent encounter with heavy rains, it’s not surprising that this might have exacerbated any existing issues or introduced new ones into your chiller unit and surrounding areas like the bedroom closet above the bathroom.

The symptoms you've described - headaches and runny noses - are commonly associated with mold exposure. The musty smell in the closet is a clear indicator of potential mold growth, as molds produce volatile organic compounds (VOCs) that can cause these types of respiratory issues.

To properly address this concern, it's advisable to undertake several steps:

1. Professional Inspection: Contact a professional environmental inspection company like Saniservice for a thorough examination of your chiller unit and the surrounding areas. They will be able to identify any mold growth, assess its extent, and determine if remediation is necessary.

2. Hygienization Measures: If mold is detected, hygienization processes may be required. This involves cleaning the affected areas with appropriate antifungal agents and ensuring all surfaces are properly disinfected. Professional companies will use EPA-approved biocides that are suitable for indoor environments in the UAE.

3. Maintenance Check-Up: Have your chiller unit inspected by a licensed HVAC contractor to ensure it's functioning correctly without any moisture-related issues. This includes checking the condensate drainage system and ensuring there’s no leakage or improper venting causing excess humidity.

4. Air Filtration Systems: Consider installing an air filtration system in your home, especially if mold has been identified as a significant issue. High-efficiency particulate absorbing (HEPA) filters can help remove airborne spores from the air.

5. Ventilation Improvement: Ensure adequate ventilation throughout your home to reduce moisture levels and discourage mold growth. This is particularly important in areas like bathrooms where humidity naturally accumulates.

6. Regular Maintenance Routine: Once any issues are resolved, establish a regular maintenance schedule for your chiller unit and other HVAC systems. Regular cleaning and inspection can prevent future problems before they become serious.

Remember, the health of you and your family should be a top priority. If you suspect mold or if symptoms persist despite initial actions, it's important to seek professional advice immediately. For assistance in Dubai, consider contacting Saniservice at 800-MOLDS (800-66537) or email them at hello@saniservice.com.

By taking these steps, you can help ensure a healthier indoor environment for your family and prevent further issues related to mold exposure.
Posted by Sani Admin
Answered on February 2, 2026 11:59 pm