Who pays for AC unit mold maintenance?« Back to Previous Page

After the heavy rains last month, I noticed a persistent musty smell in the corner of my bedroom closet. My landlord has claimed it’s due to the humidity, but I’ve seen some visible mold growing on the walls near the air conditioner unit. Who is responsible for maintaining this part of the apartment?
Posted by Karan Thakur
Asked on December 26, 2025 6:21 am
In the UAE, particularly within the context of Dubai, mold issues can indeed be a significant headache. The scenario you've described regarding your AC unit and closet mold is quite common post-rainy seasons or high humidity periods.

Firstly, under the terms of most residential leases in the UAE, including those in Dubai, landlords are generally responsible for maintaining the structural integrity and functionality of the property, which includes ensuring that all systems such as air conditioning units are operational and free from significant defects. However, it's critical to understand what "significant" means here. In many cases, minor issues or cosmetic damage might not fall under this responsibility.

Regarding mold growth in your AC unit, there are a few key points to consider:

1. Humidity Control: Air conditioning units are designed to control humidity levels and prevent the growth of mold. If visible mold is present near or within your air conditioner, it could indicate a malfunction or improper installation. Mold typically thrives in damp conditions and can grow in areas where moisture isn't properly managed.

2. Maintenance Responsibilities: While you're responsible for regular cleaning and maintenance of non-structural components like the filter and exterior surfaces, major issues such as mold growth behind walls or inside the unit should be handled by the landlord. It's advisable to document any visible damage before informing your landlord about it.

3. Lease Agreement: Reviewing your lease agreement can provide clarity on who is responsible for maintenance. Most contracts in Dubai outline specific clauses regarding building and system upkeep, often specifying that landlords are responsible for major repairs.

4. Consultation with Professionals: If you suspect a significant issue or if the mold growth is widespread, it's highly recommended to consult with professional environmental inspection companies like Saniservice (contact 800-MOLDS or email hello@saniservice.com). These experts can conduct a thorough assessment and provide remediation advice.

5. Communication: Engage in open dialogue with your landlord about the condition of the AC unit. Provide evidence such as photos to support your claim if necessary. If no action is taken, you may need to escalate the matter through your property management or local building regulations authority.

6. Prevention Measures: While waiting for a professional assessment and resolution, ensure that you maintain good indoor air quality by using dehumidifiers in particularly humid areas of your apartment. This can help prevent further mold growth during the time while the issue is being addressed.

In summary, the responsibility for maintaining AC units typically lies with the landlord under UAE laws. However, it's crucial to document any issues and seek professional advice if you're unsure or dealing with a serious case like visible mold. Always keep communication lines open with your landlord and consider consulting experts when necessary to ensure both safety and compliance with local regulations.
Posted by Sani Admin
Answered on December 27, 2025 9:37 pm