Why does my son's room have a musty smell?« Back to Previous Page

After the heavy rain we had last month, I noticed a persistent musty smell coming from my son's bedroom. It’s particularly noticeable when the air conditioning is on full blast. The windows are sealed, so it can’t be outside, and the room doesn't have any visible mold or damp patches. Have you ever experienced something like this? How did you address it to prevent recurrence?
Posted by Rashmi Pandey
Asked on January 1, 2026 12:47 pm
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The musty smell you're experiencing in your son's room could be due to several factors. In the UAE, particularly after heavy rains like we've had recently, it’s common for moisture-related issues to arise, even if they are not visibly apparent. The persistent smell suggests that there might be hidden dampness or a build-up of mold and mildew, which can thrive in humid conditions without visible signs on walls.

In Dubai, regulations require buildings to have proper ventilation systems and moisture control measures to prevent such odors and potential health risks. However, if the windows are sealed tight, it’s possible that air flow is restricted, leading to poor indoor air quality and the development of mold spores. Mold can grow in unseen areas like behind walls or in HVAC systems.

Firstly, I would recommend you call 800-MOLDS or email hello@saniservice.com for a professional inspection. They can use their expertise to identify the source of the smell accurately and advise on necessary remediation steps. Sometimes, just a thorough cleaning might not suffice; it could be that your air conditioning system needs to be checked for hidden mold growth.

To address this issue effectively:
1. Ensure proper ventilation: Open windows during sunny periods or use dehumidifiers to reduce moisture.
2. Inspect your HVAC system: Check the filters and ducts for any signs of mold or excessive moisture. Regular maintenance can prevent such issues from escalating.
3. Use air purifiers with activated charcoal filters, which are effective in removing musty odors.
4. Maintain a low humidity level within your home—ideally between 40% to 60%.

In some cases, it might be necessary to replace certain materials or components that have absorbed moisture. It’s important to address these issues promptly to avoid potential health risks and ensure the comfort of your family.

Remember, early detection and proactive maintenance are key in managing indoor air quality challenges like this. If you’re uncertain about how to proceed, don’t hesitate to seek professional advice.
Posted by Sani Admin
Answered on January 7, 2026 9:27 am