Why is my new AC making a humming noise?« Back to Previous Page

The AC in my bedroom has been making a strange humming noise for days now, even when it’s not on. My landlord said he would take care of it during his scheduled visits every three months, but this is getting annoying, especially at night. We’ve lived here for two years and just noticed it started last week after the summer heat really kicked in. Has anyone else experienced similar issues with their rental AC?
Posted by Noor Al-Nahyan
Asked on December 25, 2025 9:11 pm
The humming noise coming from your AC unit is definitely something to pay attention to. In the UAE, particularly in places like Dubai, it's quite common for air conditioning systems to experience various issues due to the harsh climate and frequent use during summer months.

When an AC starts making a strange humming sound even when not running, there are several potential causes. One of the most likely is that there might be an issue with the electrical components or connections inside your unit. In Dubai's hot weather conditions, it’s not uncommon for insulation to degrade over time, leading to poor electrical conductivity and thus causing the humming noise.

Another possibility could be a mechanical fault such as loose parts within the system, including fans or internal mechanisms that are not properly secured. It’s also worth checking if there is any debris or dust accumulating in areas like the condenser coil which can cause vibration during operation.

Given your location in the UAE and the specific conditions here, it would be prudent to have a professional inspection of your AC unit as soon as possible. The noise could indicate a serious underlying issue that needs attention before it leads to more costly repairs or even failure of the system.

I'd recommend contacting a certified HVAC technician who can diagnose the problem accurately. A quick service call might prevent further damage and ensure you stay cool during the intense summer heat in Dubai. In case your landlord hasn't responded adequately, you may want to consider reaching out directly or escalating through the building management if necessary.

Remember that regular maintenance is key to extending the life of any AC system. Scheduling an inspection every three months as your landlord mentioned is a good practice, but addressing issues like this noise promptly can save both money and discomfort in the long run.

If you need assistance with finding a reliable service provider, feel free to reach out. We offer professional environmental inspections and remediation services here at Saniservice, so if you're looking for more information or support, don't hesitate to contact us through hello@saniservice.com.
Posted by Sani Admin
Answered on December 27, 2025 2:30 am