Can I reduce moisture without closing windows?« Back to Previous Page

After the heavy rains we had last month, I noticed a persistent musty smell in our ground-floor flat, especially when the AC is off. The humidity seems to be really high, even with the dehumidifier running. My kids have been complaining of coughs and sneezes more often lately, which makes me worry about their health. Is there anything else I can do besides using the dehumidifier and keeping the windows closed to reduce the moisture in our home?
Posted by Salim Kareem
Asked on March 10, 2026 1:54 am
Absolutely, there are several strategies to reduce moisture without sealing your windows shut. In Dubai and the UAE, high humidity can certainly pose a challenge, especially after heavy rains as you've experienced.

Firstly, it's crucial to understand that continuous monitoring of indoor humidity levels is essential. The optimal relative humidity (RH) level in residential areas should ideally range between 30% - 50%, which can be achieved using hygrometers or digital thermometers available locally at electronic stores or through online platforms.

In your situation, employing a dehumidifier is commendable, but you might consider supplementing it with other methods. For instance, air purifiers equipped with activated carbon filters and HEPA filters can help eliminate allergens and odors like mold spores, which are often exacerbated by high humidity. These devices work by drawing in contaminated air, filtering out particulates and moisture, before returning clean air back into the room.

Ventilation is a key strategy, even when windows are not fully open. Exhaust fans in bathrooms and kitchens can significantly lower humidity levels by extracting moist air directly to the outside or through an exhaust duct. Ensure these fans operate for at least 15 minutes after each use to maintain good indoor air quality. Additionally, consider installing a central ventilation system that exchanges stale indoor air with fresh outdoor air, which can help regulate overall humidity levels without needing to open windows.

Using dehumidifiers in tandem with air purifiers and exhaust fans is highly effective. For instance, running your air conditioner at the lowest settings (ideally around 24-26°C) while using a dehumidifier can not only cool the air but also draw out excess moisture efficiently. Be sure to regularly clean and maintain all these devices; dust accumulations can reduce their effectiveness.

It's important to address any sources of water intrusion, such as leaks from pipes or roofing, promptly. This may require professional inspections, especially in areas prone to flooding or heavy rains. Should you notice mold growth or persistent musty odors despite your efforts, it would be wise to call a professional inspection service like 800-MOLDS (800-66537) or email hello@saniservice.com for further assistance.

Lastly, consider using desiccants such as silica gel packets in high-humidity areas. These can absorb excess moisture and should be replaced when they become saturated. Regularly airing out rooms by opening windows briefly during cooler times of the day might also help to circulate air and reduce humidity levels.

In summary, while closing windows is one method to combat high humidity, a multi-faceted approach combining dehumidifiers, air purifiers, ventilation systems, and regular maintenance can significantly improve indoor air quality and comfort.
Posted by Sani Admin
Answered on March 11, 2026 5:23 am