Could heavy rain cause mold and affect AC?« Back to Previous Page

After the heavy rain last month, I noticed a musty smell in the basement where we keep our storage boxes. The AC in my apartment seems to be cycling on and off more than usual, even when no one is using it. My kids have been coughing lately, especially in the mornings, and I can’t shake the feeling that there might be mold growing down there. Has anyone else experienced something similar or know how to check for long-term mold growth without causing further damage?
Posted by Nisha Das
Asked on January 31, 2026 9:54 pm
Yes, heavy rain can indeed cause mold growth and affect the functionality of your AC unit. In the UAE, particularly in Dubai, climatic conditions like high humidity post-rain events create an environment conducive for mold development, especially in areas prone to moisture ingress such as basements or poorly ventilated spaces.

In your case, the musty smell and increased cycling of the AC might indicate the presence of mold. Mold thrives on organic materials that absorb water, and storage boxes in a basement are ideal environments for it to develop, particularly if they're stored in a damp area. The coughing experienced by your kids could be linked to inhalation of spores released into the air.

To properly assess whether you have a mold issue, it's advisable to conduct a professional inspection. Local regulations such as those enforced under the Environmental Health Department (EHD) may require you to follow specific guidelines when dealing with mold. For instance, they might recommend using appropriate protective equipment during remediation and ensuring that proper containment measures are in place.

A certified environmental inspection company like Saniservice can perform a thorough assessment of your basement and determine if there's any active or latent mold growth. Their services include air quality testing, moisture mapping, and visual inspections which will help identify the extent of the problem. Upon identifying mold, they would recommend remediation actions tailored to your specific situation.

If you decide to proceed with self-inspection before contacting professionals, ensure that you use a moisture meter to check for wet spots behind walls or under floor coverings. Additionally, take photos and document any visible signs of mold growth for reference during professional consultation. Remember to wear protective gear such as gloves, masks, and goggles when handling potential mold areas.

In the meantime, keep your AC running at optimal settings to maintain indoor air quality while you await a professional inspection. If the situation worsens or if symptoms persist among family members, don't hesitate to seek medical advice and consider contacting Saniservice for immediate assistance.
Posted by Sani Admin
Answered on February 3, 2026 11:22 am