Why is there a musty smell in my unused guest bedroom?« Back to Previous Page

After the heavy rains we had last month, I noticed a persistent musty smell in the guest bedroom closet. It’s only used when guests stay with us, so it’s been closed up for months now. The clothes inside look clean but the musty odor is concerning. What could be causing this and how can I ensure my hotel rooms are properly cleaned to avoid such issues?
Posted by Smita Kumar
Asked on December 18, 2025 12:09 am
0
The musty smell in your unused guest bedroom could be due to moisture build-up. In the UAE, especially during our humid seasons and after heavy rains as you've experienced recently, such odors can develop even if rooms are not frequently used. The humidity might have caused condensation on surfaces inside the closet, creating a perfect environment for mold growth.

In Dubai and across the UAE, regulations like EN 15808:2019 specify that buildings must maintain relative humidity levels below 60% to prevent moisture-related issues. Since your closet has been unused and sealed up for months, there may not have been enough air circulation allowing conditions ideal for mold development.

To ensure your hotel rooms are properly cleaned and maintained:

1. Regular Inspections: Conduct thorough inspections of all guestrooms at least twice a year. Look out for signs of moisture or dampness in corners, under furniture, or near windows. This is crucial especially after rainfall events.
2. Ventilation: Ensure proper ventilation systems are functioning correctly to prevent moisture accumulation. In areas prone to humidity like Dubai, keeping vents clear and unobstructed can be key.
3. Air Drying: After heavy rains or when you notice unusual dampness, use dehumidifiers in affected rooms to absorb excess moisture before it leads to mold growth.
4. Professional Cleaning: Engage a professional service for regular deep cleaning of hard-to-reach areas like closets and behind furniture where mold can thrive undetected.

If the smell persists despite these measures, it might be time to call in experts. We recommend contacting Saniservice at 800-MOLDS or sending them an email at hello@saniservice.com. They have experience dealing with such issues and can provide a thorough inspection and remediation if necessary.

Remember, keeping your hotel rooms free from mold not only improves air quality but also ensures the health of both your guests and staff.
Posted by Sani Admin
Answered on December 22, 2025 3:12 pm