Why is my AC not drying out dampness?« Back to Previous Page

After the rain last month, I noticed a persistent dampness in my bedroom, even though the windows were closed tightly. The AC unit seemed to be running fine but wasn’t drying out the air as efficiently as it should. Is there something specific I can do to prevent this issue from recurring or is there a way to check if there's a bigger problem with the system?
Posted by Julia Becker
Asked on December 8, 2025 8:50 am
The issue of persistent dampness in your bedroom despite the AC unit running can be quite perplexing. In the UAE, especially during rainy seasons, humidity levels can soar, making it challenging for AC systems to maintain desired indoor air quality and comfort. Let's break down what might be contributing factors and practical steps you could consider.

Firstly, it’s essential to ensure that your AC system is properly maintained. Regular servicing in Dubai/UAE should include checking the filter, which often gets clogged with dust and debris leading to reduced efficiency. Additionally, inspecting the condensate drainage lines for blockages or leaks is crucial; a blocked line can cause moisture accumulation.

Another aspect to consider is the actual capacity of your AC unit. In high-humidity conditions like those in Dubai, a system that’s undersized might not be able to handle the load effectively. A certified HVAC technician could help determine if upgrading or replacing the unit would be beneficial.

Ventilation also plays a significant role. Even with closed windows, cross-ventilation through open balcony doors or using exhaust fans can lower indoor humidity levels significantly. It's important to monitor these ventilation methods during rainy seasons to ensure they are not contributing to higher humidity inside your home.

Moreover, check the insulation in areas where there’s a significant temperature difference between indoors and outdoors, such as near windows and doors. Poor insulation can lead to condensation forming on cold surfaces, which could be exacerbating the dampness issue.

Given that you're experiencing these issues during rain, it's also worth considering whether water intrusion is an underlying factor. Check for any signs of water leakage from the AC unit itself or from external sources like pipes or gutters. Leaks can introduce moisture into your home and are a significant concern in terms of mold growth and other health risks.

In cases where the above steps do not resolve the issue, it may be prudent to seek professional inspection. Companies like Saniservice offer comprehensive services that include air quality assessments, which could reveal deeper issues such as leaks or inadequately sealed gaps that allow outside moisture to enter your home.

Remember, in Dubai/UAE, maintaining proper indoor air quality is paramount for health and comfort during the humid months. If you're unsure about any of these steps or if the issue persists despite your efforts, reaching out to a professional service provider can be a wise move.
Posted by Sani Admin
Answered on December 10, 2025 3:26 pm