Dangerous health threat when using homemade cold fans

Handy, low cost, homemade cold fans have many potential risks for users such as respiratory diseases, creating an environment for bacteria to grow.

To cope with the heat, many HCMC residents thought of using homemade air conditioner. To do this air conditioner, they just need to prepare a foam box, mini electric fan, and a piece of L-shaped water pipe. Every time you use it, just put the stone in the foam box, close the lid and turn on the fan. , cold air will radiate.

These handmade fans are popularly sold for VND 200,000-450,000 / piece. They are favored by many people, especially students and workers.

Risk of respiratory disease

Regarding this anti-heat measure, Dr. Truong Huu Khanh, Head of Infection - Neurology, Children's Hospital 1 (HCMC), commented on the principle of homemade air conditioning with a mechanism similar to the steam fan, Mist spray fans are in common use. They have a cooling effect on people who do not have the condition to use air conditioning.

However, when using homemade air conditioning, we will not be able to take the initiative in cold temperatures. That can be dangerous to health if left too cold.

The homemade cold fans are favored by many people because of their low cost.(Photo: NVCC).

Besides, the cooling area of ​​homemade air conditioner is quite narrow, forcing users to sit close to feel the cool wind. This is easy to cause respiratory diseases, especially for young children such as coughing, sore throat, even pneumonia if sitting for too long.

Facilitate mold and bacteria growth

According to Dr. Truong Huu Khanh, homemade air conditioner with steam fan should increase the humidity in the room, which can create conditions for mold and other harmful bacteria to have a chance to develop. . In particular, children or people with low resistance are very susceptible to ear, nose and throat diseases due to humid air.

Adults, when exposed to cold air from homemade air conditioning also makes the skin become dry, uncomfortable.

If using dirty rock to run the air conditioner is also dangerous to health. They exist pathogenic bacteria, when blown out into the air, bacteria also spread along and easily penetrate into the body.

In particular, ice tanks that are not cleaned daily will become dirty water, enabling viruses, bacteria to grow and cause disease.

Note when using

Experts recommend, when using homemade air conditioner, pay attention to the following:

1. Use clean materials to cool.
2. Daily cleaning of iceboxes.
3. Do not directly chill cold air into the body, especially the face and neck area.
4. Use only 2-3 hours, then go out to normal temperature once.
5. Pay attention to periodic air conditioning cleaning, avoid mold and germs that stay in the machine.
6. Room use regular air conditioner must be cleaned clean.