Can high humidity cause a musty smell?« Back to Previous Page

After the rain last month, I noticed a musty smell lingering in my bedroom closet. Even with the air conditioning on high, it doesn’t seem to help much, especially during the night when the humidity spikes. Is there anything specific I can do to manage it myself, or should I consider professional help?
Posted by Amanda Jones
Asked on December 21, 2025 12:57 am
High humidity can indeed lead to the development of musty smells. This phenomenon is primarily due to the ideal conditions that high moisture levels create for microbial growth such as molds and mildews. In the UAE, especially during the rainy seasons or when air conditioning systems are not functioning optimally, humidity levels can rise significantly. In Dubai, where we often experience extreme temperature fluctuations between day and night, this condition is exacerbated.

The musty smell in your bedroom closet suggests that moisture might be present within the walls or within the materials of the closet itself. This could be due to poor ventilation or condensation forming on cooler surfaces like metal hangers or wooden furniture during nights when the air conditioning cools the space below dew point.

To address this issue, one can start by enhancing indoor air quality and reducing moisture levels through practical measures. Regularly using a dehumidifier in your bedroom might help, but it's crucial to ensure proper maintenance of the device to prevent bacterial growth within its components. Additionally, you could consider installing an air purifier equipped with activated carbon filters which can capture volatile organic compounds (VOCs) and odors.

Practical steps include:
• Ensuring good airflow in your home by opening windows during appropriate weather conditions
• Utilizing exhaust fans in bathrooms and kitchens to vent out excess moisture
• Drying clothes outdoors when possible or using a dryer instead of hanging them inside the house
• Placing silica gel packets near sources of high humidity like wet shoes, damp towels etc.

However, if these methods fail to alleviate the musty smell, it is advisable to seek professional assistance. A certified environmental inspector can conduct a thorough inspection of your property and identify any underlying issues such as hidden water leaks or structural damages that may be contributing to the problem. In Dubai, companies like Saniservice are equipped with the expertise to address these concerns.

Remember, in UAE, indoor environments must comply with local regulations and standards for health and safety. If you're concerned about mold growth, it's important to act promptly as molds can pose serious health risks if they proliferate unchecked.

Should you need further assistance or have any more questions regarding indoor environmental quality, please don't hesitate to call 800-MOLDS or email hello@saniservice.com.
Posted by Sani Admin
Answered on December 23, 2025 10:00 am