Is poor AC causing indoor air quality issues?« Back to Previous Page

After the intense heat wave last week, I noticed a strange noise coming from the air conditioning unit in my living room. It sounds like it might be struggling to cool the space, even with all the windows closed. The kids have been complaining of being stuffy and have had some minor coughs lately, which has me worried about indoor air quality. Is this something common or could there be an issue that needs addressing?
Posted by Margaret Jackson
Asked on December 29, 2025 4:19 am
Is Poor AC Causing Indoor Air Quality Issues?

The short answer is yes. A poorly functioning air conditioning system can indeed impact indoor air quality (IAQ) in your home, particularly during the intense heat waves that are common in Dubai and the UAE. When an AC unit isn't operating efficiently or correctly, it may not adequately filter out airborne pollutants, maintain proper humidity levels, or circulate clean air throughout your living space.

In recent days, you've noticed a strange noise from your AC and observed kids feeling stuffy with minor coughs. These symptoms can be linked to poor indoor air quality which could result from the AC struggling to cool effectively. In Dubai's climate, it’s crucial that your AC system is running optimally, especially as we move into more extreme temperatures.

AC units are not just about cooling; they're essential for maintaining a healthy environment by filtering out dust and other particles, removing excess moisture (which can lead to mold growth), and even neutralizing harmful chemicals. A malfunctioning unit may fail to provide these benefits properly, leading to stuffiness, discomfort, and potentially worsening respiratory issues.

In the UAE, there are specific guidelines that HVAC systems must adhere to for optimal performance and IAQ. The UAE Building Code (UAE Standard EN 13779) outlines standards for ventilation rates and air change rates in buildings, ensuring a balance between energy efficiency and indoor comfort. Your AC system should be designed with these regulations in mind.

If your AC is making strange noises or isn't cooling effectively, it’s advisable to have a professional inspection. Issues like this can indicate more serious underlying problems such as refrigerant leaks, compressor failure, or inadequate air filtration. These issues could not only affect the air quality but also lead to higher energy bills and increased wear on your system.

Call 800-MOLDS or email hello@saniservice.com for a professional inspection. Early intervention can prevent costly repairs down the line and ensure that you're breathing clean, healthy air in your home. Remember, maintaining good indoor air quality is key to avoiding health issues during heat waves like the one we just had.

Always ensure that your AC system undergoes regular maintenance checks by certified HVAC technicians. This not only keeps it running smoothly but also helps identify any potential issues early on before they become major problems.
Posted by Sani Admin
Answered on December 30, 2025 11:59 am