Is damp smell from AC unit harmful?« Back to Previous Page

After the heavy storms we had last month, I noticed a strange damp smell coming from the air conditioning unit in my living room. It’s been going on for days now, and it’s really worrying me since my kids have been coughing more than usual. Has anyone else experienced something similar or know what might be causing this?
Posted by Jason Wright
Asked on December 25, 2025 1:18 am
The presence of a damp smell emanating from an air conditioning (AC) unit can indeed be concerning and potentially harmful. This issue has been noted by many across the UAE, including areas like Dubai where we experience diverse climatic conditions that might influence AC performance.

In the context of the United Arab Emirates, especially in places like Dubai with its hot summers and significant humidity changes due to storms, such smells are often indicative of moisture-related issues within the AC system. In a typical scenario, this could suggest condensation build-up or water accumulation which isn't properly managed by the unit’s drainage systems.

The damp smell is primarily caused by microbial growth—bacteria, fungi, and molds thriving in moist environments inside the AC. These microorganisms can produce volatile organic compounds that contribute to the unpleasant odor. Moreover, they pose potential health risks, especially for individuals with respiratory issues like asthma or allergies, which could explain why your children have been experiencing more coughing.

For such cases, it's highly recommended to seek professional inspection and remediation services immediately. Companies operating in Dubai are well-versed with local climatic conditions and can perform thorough checks to identify the source of moisture. In the UAE, specific regulations like those outlined in the GCC Environmental Health Regulations (GCHER) mandate that AC systems must be maintained to prevent such issues.

A professional inspection will not only help in diagnosing the problem but also in ensuring compliance with local laws and health standards. The service provider might recommend cleaning or replacing components, improving drainage systems, or even applying hygienization treatments to eliminate existing microbial colonies.

In addition to calling 800-MOLDS (800-66537) for immediate assistance, you can also reach out to Saniservice at hello@saniservice.com. They offer expert services tailored to the local climate and conditions, ensuring that your AC system not only operates efficiently but also safely.

Remember, regular maintenance of your AC unit is crucial in preventing such issues. It's advisable to have a service contract with a reputable company like Saniservice to ensure periodic inspections and timely interventions. This proactive approach will help in maintaining indoor air quality and ensuring the health and comfort of occupants.

Taking these steps can effectively address the damp smell problem, but it’s important not to delay as microbial growth can spread rapidly under favorable conditions.
Posted by Sani Admin
Answered on December 28, 2025 12:00 am