Could stale air from AC cause my symptoms?« Back to Previous Page

The AC in my bedroom has been blowing out this weird, stale air for about a month now, and I've started waking up with a scratchy throat and headaches. I'm in Dubai Marina, and it’s been quite humid lately, so I keep it running almost all night. I’ve also noticed some dust accumulating on the furniture more than usual. Could this be causing my symptoms, or is there something else I should be concerned about?
Posted by Neha Tiwari
Asked on December 13, 2025 12:34 pm
Yes, the stale air being emitted from your air conditioning (AC) unit could indeed be contributing to your symptoms, such as a scratchy throat and headaches. In Dubai's humid environment, particularly in areas like Dubai Marina, AC systems work continuously to cool indoor spaces, which can lead to several indoor air quality issues if not properly maintained.

Firstly, it's essential to recognize that stale air often indicates a lack of adequate ventilation or the presence of contaminants within the AC system itself. Common issues include the accumulation of dust, mold, and other allergens in the ductwork or the air handler. Given your observation of increased dust on your furniture, it is possible that your AC system is circulating dust and other particulates throughout your bedroom, which can aggravate respiratory symptoms.

Furthermore, running your AC system over long periods without proper maintenance can lead to moisture buildup, which is a breeding ground for mold and bacteria. In humid climates like Dubai, this is a particular concern, as mold spores can become airborne and contribute to respiratory issues, headaches, and other symptoms you’re experiencing.

In terms of regulations, the UAE has specific guidelines for indoor air quality, emphasizing regular maintenance of HVAC systems to ensure they operate efficiently and do not compromise occupant health. The Dubai Green Building Regulations encourage the use of proper filtration systems and recommend regular inspections and cleaning of AC units to minimize health risks associated with poor indoor air quality.

To address your concerns, here are some actionable steps you can take:

1. Immediate Inspection: Consider scheduling a professional inspection of your AC unit. A certified technician can thoroughly clean the ducts, check for mold growth, and ensure that the system is functioning correctly.

2. Regular Maintenance: Implement a regular maintenance schedule for your AC system, including filter changes and duct cleaning every 6-12 months. This will help maintain good air quality and prevent the buildup of dust and allergens.

3. Use of Air Purifiers: In addition to maintaining your AC system, consider using HEPA air purifiers in your bedroom to help filter out dust, allergens, and any potential mold spores.

4. Monitor Humidity Levels: Use a hygrometer to monitor the humidity levels in your home. Keeping indoor humidity below 50% can help prevent mold growth. If necessary, consider using a dehumidifier.

If your symptoms persist after taking these steps, it is crucial to consult with a healthcare professional.

For an immediate inspection or assistance from a certified environmental service, you can call 800-MOLDS (800-66537) or email hello@saniservice.com. Taking these steps will help ensure that your indoor environment is safe and healthy.
Posted by Sani Admin
Answered on December 15, 2025 1:59 am