Is humming noise and stuffiness from new filters normal?« Back to Previous Page

The AC unit in our bedroom has been making a strange humming noise lately, especially when we turn it on at night. My kids have been complaining of a stuffy feeling even though the temperature is comfortably cool. We’ve only had this issue since last week after they installed new filters. Has anyone else experienced similar issues or could it be a sign of something more serious?
Posted by Mark Torres
Asked on January 29, 2026 8:10 pm
Humming noises and stuffiness from new filters in an air conditioning unit can indeed be concerning. In the UAE context, these symptoms might indicate a few different issues that could impact indoor environmental quality (IEQ). Given your specific situation where the noise started after installing new filters, it's important to explore possible causes.

Firstly, the humming sound could stem from improper installation of the filters or blockage due to dust and debris. New filters may be more efficient at capturing particles, but if not properly placed in the AC system, they can create resistance which results in unusual sounds. Check that the filters are securely fastened and positioned correctly. If you notice any signs of overcompaction or misalignment, consider adjusting them.

The stuffiness could be related to reduced airflow due to clogged filters. Even though the temperature is cool, inadequate air movement can make a room feel uncomfortable. Inspect the filter for excessive accumulation and clean it thoroughly according to the manufacturer’s guidelines or replace with new ones if necessary. Ensure that all other parts of your AC system are also clear of obstructions.

In the UAE climate, which experiences intense heat during summer months, it's critical to maintain optimal IEQ standards. Humidity levels can exacerbate stuffiness and discomfort. Consider using a dehumidifier in conjunction with your air conditioning unit if the humidity is high. The HVAC systems typically installed in Dubai homes are designed for specific conditions, so make sure that any adjustments or additions you make align with local regulations.

For serious cases where these issues persist despite maintenance efforts, it's recommended to call upon professional inspection services. In Dubai, companies like Saniservice (800-MOLDS) can provide comprehensive assessments and ensure your AC system operates efficiently without compromising on safety standards set by the UAE government. They offer expert advice and solutions tailored for local environments.

Remember, maintaining a healthy indoor environment is paramount, especially with the diverse climate conditions in Dubai. Regular servicing and monitoring of your air conditioning unit are key to preventing more serious issues down the line.
Posted by Sani Admin
Answered on January 31, 2026 6:51 pm