Are heavy rains causing green growth and extra AC use?« Back to Previous Page

After the heavy rains last month, I noticed a greenish tinge on the walls of my balcony. The AC in my apartment seems to be running more than usual too, despite the cooler temperatures outside. Could this be due to some kind of mold or plant life growing? How can I check and address this issue without causing any damage?
Posted by Jing Le
Asked on February 9, 2026 11:01 pm
Heavy rains can indeed cause greenish growth and increased AC usage. The green tinge you noticed is most likely due to mold growth, which thrives in humid conditions and damp environments like your balcony after the recent rainfall. In the UAE, particularly Dubai, it's not uncommon for such issues to arise post-rain events.

The primary concern with mold is its potential impact on indoor air quality (IAQ) and occupant health. Mold spores can trigger allergies and respiratory problems, especially in individuals with asthma or other respiratory conditions. Additionally, excessive moisture can lead to structural damage over time, which would be costly for homeowners and property managers alike.

To address the issue effectively without causing further damage:

1. Immediate Action: Inspect the balcony thoroughly for any standing water or damp areas. Ensure that your AC is not directly exposed to this area as it could exacerbate moisture issues.

2. Professional Inspection: Given the importance of proper identification and remediation, a professional inspection by a certified environmental expert in Dubai would be prudent. They can assess whether the green growth is indeed mold and provide recommendations on the best course of action. Saniservice, for example, offers such services with their contact details at 800-MOLDS or via email at hello@saniservice.com.

3. Remediation Process: If mold is confirmed, remediation involves removing contaminated materials, treating affected areas, and ensuring proper ventilation to prevent future growth. Professional treatment might include applying appropriate biocides and sealing any moisture sources.

4. Preventative Measures: Once the immediate issue is addressed, consider long-term measures such as improving drainage around your balcony, using dehumidifiers if necessary, or adjusting air circulation patterns in your apartment to maintain a healthy indoor environment.

5. AC Optimization: Regarding increased AC usage, ensure that it's not due to poor insulation or other energy inefficiencies. Regular maintenance of your AC system can help reduce unnecessary power consumption and improve comfort levels.

By taking these steps, you'll be able to mitigate the issues caused by heavy rains and maintain a healthier indoor environment in Dubai.
Posted by Sani Admin
Answered on February 11, 2026 11:23 am