Should strange noises mean AC needs repair?« Back to Previous Page

The AC in my living room has been making this strange noise for a few days now, almost like a grinding sound. It started about two weeks ago after we got a heavy thunderstorm. The kids have mentioned that they can feel a draft around the vents too, and it seems less effective at cooling the space than before. Is there something I should check or is it just time to call in an HVAC professional?
Posted by Sarah Moore
Asked on January 17, 2026 5:40 pm
Strange noises coming from your AC unit can indeed indicate an underlying issue that may need to be addressed. In the UAE and specifically in Dubai, where climatic conditions demand efficient cooling systems, it’s prudent to investigate such symptoms closely.

Firstly, the grinding noise you're hearing could signify a few potential issues. One common cause is worn-out compressor bearings or pulleys. These components can wear out over time due to frequent usage or even because of the recent thunderstorm that might have caused some vibration-related stress on your AC system. Another possibility is a loose fan blade, which might be causing friction against other parts as it spins.

Regarding the effectiveness of cooling and the draft issue, these symptoms point towards poor air circulation or blockages in the airflow pathways within your system. This could be due to debris from the storm getting stuck in filters or ductwork, or even issues with air handlers that may have been compromised during the weather event.

In Dubai, where temperatures can soar, it’s crucial to maintain optimal indoor environmental quality (IEQ). Given the conditions you've described and considering local regulations such as those concerning energy efficiency, it would be wise to schedule a professional inspection. Saniservice, based in Dubai, offers reliable HVAC services that could help diagnose these issues.

Here are some practical steps you can take:
1. Check your filters - replace them if they're dirty or clogged.
2. Inspect the exterior unit for any visible damage from the storm and ensure all components are properly secured.
3. Verify that there’s no blockage in the air ducts; sometimes, debris can get stuck here too.

If these steps don’t resolve your issues, it would be best to call Saniservice at 800-MOLDS or email hello@saniservice.com for a professional assessment. Remember, HVAC systems are complex and maintaining them properly is essential for energy efficiency as well as indoor comfort in the UAE climate.

In conclusion, while some minor adjustments might resolve your issue, given the unusual nature of the noise coupled with reduced cooling performance, it’s wise to seek expert advice promptly.
Posted by Sani Admin
Answered on January 19, 2026 6:13 am