Dangers of “Air Conditioners” if they are dirty and not cleaned for too long

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In our climate, especially in cities with concrete structures, few trees and crowded living areas, we cannot live in a house without an air conditioners, which has become an indispensable electrical appliance. However, the air conditioner that blows cool air to us must be kept clean and in good condition at all times. Because if the air conditioner is too dirty, it can be the cause of dangerous diseases to the body.

The dangers of dirty air conditioners that have not been cleaned for too long

สมัคร ufabet of the Department of Health, stated that there is a lot of humidity inside the air conditioner, which may be the cause of germs growing, especially Legionella pneumophila bacteria. If you inhale water droplets contaminated with this germ, it will affect your health .

Legionella pneumophila infection symptoms

Symptoms if the body is infected with Legionella pneumophila are of 2 types:

  1. Legionnaires’ disease is a severe pneumonia that causes high fever, cough, and chills.
  2. Pontiac fever or Pontiac fever is similar to influenza.

How to clean your air conditioner to be safe for your body

There are two common air conditioner systems:

  1. When the central air conditioner is not in use, the water from the cooling tower should be drained and then cleaned. A solution containing chlorine with a concentration of 10 ppm should be used into the cooling pipes throughout the system for at least 3-6 hours. The chlorine level should be maintained at a concentration of not less than 0.2 ppm by cleaning the cooling tower at least 1-2 times per month.
  2. The air conditioner in the room should have its tray cleaned every 1-2 weeks to prevent algae from growing. When the air conditioner is turned on, observe whether the air coming out of the air conditioner has a foul or musty smell. If there is an odor, initially the air filter in the air conditioner should be washed with soapy water or disinfectant. If the smell does not go away after washing, a technician should be called to clean the entire system.


A full air conditioner system should be cleaned at least once a year, but if used regularly, it should be cleaned at least once every 6 months because in addition to reducing germs, it also helps save electricity.