Once you discover this trick, you’ll definitely want to give it a go.

During hot weather, an air conditioner not only helps cool the room and bring comfort but also protects health by reducing the risks caused by extreme heat.

Most people, however, only focus on how quickly the air conditioner cools the room or how to save electricity. In fact, there are many simple tricks that can make your air conditioner work more efficiently and provide even more benefits.

One surprisingly useful hack is placing Urgo patches on the air conditioner. Normally, Urgo—an adhesive bandage—is used to protect small wounds. But with a little creativity, it can serve a whole new purpose in daily life.

Why Put Urgo on the Air Conditioner?

This easy method requires just two Urgo patches. Peel off the backing to reveal the soft white cotton pad inside. Then, add a few drops of menthol oil or your favorite essential oil directly onto the cotton (but avoid the adhesive so it stays sticky).

Finally, stick the patches to the front of the air conditioner’s fan.

As the cool air blows out, it will spread the scent of the essential oil throughout the room, creating a refreshing, relaxing atmosphere. This trick works especially well if the room has lingering odors. Even better, many essential oils—such as peppermint, lavender, or lemongrass—help keep mosquitoes and insects away.

With just a couple of Urgo patches, your air-conditioned room becomes cooler, fresher, and far more comfortable.

Extra Tips for Healthier, Smarter AC Use

1. Set the temperature wisely.

Keep your air conditioner between 23–27°C. Setting it too low may cause thermal shock and harm your health. It also consumes more energy and shortens the lifespan of the unit.

2. Don’t rush into the cold.

If you’ve just come in from the hot sun, give your body a few minutes to cool down naturally before entering an air-conditioned room. Avoid sitting directly under the airflow.

3. Clean it regularly.

Dust and bacteria build up over time, so cleaning the unit regularly is essential for both efficiency and health.

4. Avoid running it nonstop.

Even on very hot days, resist the urge to keep the air conditioner on 24/7. With windows closed, stale air and bacteria can accumulate. Instead, switch it off at night when it’s cooler, open windows to let in fresh air, or use a fan to keep the air circulating.

Next time summer heat sets in, try sticking Urgo patches infused with essential oils onto your air conditioner. It’s a simple, inexpensive way to make your room cooler, fresher, and healthier—while following a few basic rules for safe and efficient air conditioning.