Is AC causing indoor allergies and musty smell?« Back to Previous Page

The AC in my apartment seems to be running more often than usual lately, especially at night when we try to sleep. The other day, I also noticed a slight musty smell coming from the bedroom where my children usually stay. It’s concerning because they’ve been coughing more frequently over the past few days and I’m worried it might be related. Have anyone else experienced similar issues in Dubai? Could it be the AC causing these symptoms or is there something else we should consider?
Posted by Brian Lewis
Asked on March 13, 2026 6:37 am
Absolutely, the scenario you're experiencing could be linked to your air conditioning system. In Dubai, where the climate can swing from extremely hot and dry during summer to cooler but potentially more humid at night, issues like increased AC usage and musty smells are not uncommon.

Firstly, the frequent operation of the AC suggests that it might be struggling to maintain the desired temperature or humidity levels in your apartment. This could result in the indoor environment becoming overly dry, which can exacerbate respiratory issues such as coughing. Alternatively, if the AC is not properly maintained, it may act as a breeding ground for mold and bacteria, leading to musty odors.

The musty smell you're noticing might be a sign of poor air quality or mold growth within your HVAC system. In Dubai, where humidity levels can rise unexpectedly, especially during summer monsoons, this is particularly concerning. Mold thrives in warm, humid conditions – which are common in many AC units if not cleaned regularly.

Moreover, the increased use of AC at night could be a symptom of poor insulation or air leakage in your apartment. This might lead to drafts and cold spots, forcing the AC to run more frequently to maintain comfortable temperatures throughout the night.

Given these circumstances, it is highly recommended that you arrange for an inspection by a professional environmental consultant familiar with local UAE regulations on indoor environmental quality. In Dubai, it's crucial to adhere to standards set forth in laws such as Federal Law No. 19 of 2005 concerning building construction and renovation, which mandates certain levels of air quality and occupant comfort.

To take proactive steps until you can schedule the inspection, here are some tips:
• Ensure your AC is properly maintained by a certified technician, paying special attention to cleaning and disinfecting the internal components.
• Check for any leaks or gaps in windows and doors that could be allowing outside air (and potential allergens) into your apartment.
• Use dehumidifiers if you suspect high humidity levels, especially during summer months.
• Regularly change HVAC filters as per manufacturer guidelines to prevent dust and mold accumulation.

Should the inspection confirm issues with air quality or mold growth, don't hesitate to reach out for remediation services. Our company, Saniservice, can provide expert assistance at 800-MOLDS (800-66537) or by emailing hello@saniservice.com. Early intervention is key in maintaining a healthy indoor environment.

Remember, addressing these issues promptly not only improves your living conditions but also protects the health of all residents, especially children who are more susceptible to respiratory illnesses.
Posted by Sani Admin
Answered on March 14, 2026 3:08 pm