Blowing air conditioner = smog? Zhong Nanshan pointed out that air conditioning has become an "indoor killer"

After the summer, the temperature in many parts of the country has rebounded remarkably, and the air conditioner is about to enter the peak period of use. But people only greet the comfort brought by air conditioning, but few people realize the danger of air conditioning.

In fact, the high-temperature and high-humidity environment inside the air conditioner is very prone to bacteria, mold and other pollutants, which endangers the health of the family. Zhong Nanshan, academician of the Chinese Academy of Engineering and director of the National Center for Clinical Research of Respiratory Diseases, reminded:

“Now the weather is getting hot. Be sure to clean the filter before turning on the air conditioner.”

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The detection rate of molds and bacteria in air conditioners is as high as 100%, ranking first in pollution sources.

The results of the air-conditioner hygiene survey released by the Center for Disease Control and Prevention of China show that in the detection of air-drainage and dust-collecting bacteria in air-conditioning systems in more than 60 cities, air-conditioning ducts with serious pollution account for 47.11%, moderate pollution. 46.17%, only 6.12% qualified!

The "2018 Indoor Air Health White Paper" also pointed out that air conditioners topped the list of pollution sources with a 42% share.

Give 2 real-life examples that are more intuitive and more impactful on vision and appetite:

When Ms. Wang’s cabinet air conditioner, which lives in the Shanshui Mingyuan Community of Qingdao City, is evaporating the evaporator, the water flowing out is black like ink, and white foam emerges from the bucket from time to time.

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Use a clean white towel and put it on the unwashed hanging air conditioner for 3 nights. The color of the towel near the tuyere directly turns into black ink, and it also has flocculent dirt.

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Experts said: "Normal household air conditioners are not cleaned for 3 years, and the evaporator dust is piled up, which is 60 times more dirty than the toilet."

Dirty air conditioning causes indoor pollution, endangering human respiratory health

The data shows that 70% of household air-conditioning in China is more than 5 years old, but the number of households that have been professionally cleaned in the last one year is no more than 30%.

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The accumulation of dust on the air filter and evaporator will breed germs, fungi and mites, which can cause various pathogens such as flu, measles, meningitis, scarlet fever, and Legionnaires' disease, which seriously threaten the health of the human body.

There is a well-known formula for lung pollution index based on a large number of cases and data: air conditioning using unwashed evaporator for 0.5 hours = walking for 16 hours in heavy haze weather.

What does this mean?

According to the daily ventilation of 5 hours of dirty air conditioning at home, it is equivalent to bathing 160 hours under the heavy smog of Emperor. However, the actual situation is that we live in an air-conditioned environment almost every day of the summer. If the air conditioner is not cleaned in time, the harm can be imagined.

Air conditioning clean, breathing more healthy

The air-conditioning hazard is so great, but the hot summer is inseparable from air-conditioning. How can we defend the indoor air quality through effective measures?

The filter is the most frequently cleaned and most easily cleaned part of the pollution. However, the real source of air pollution is not the filter but the evaporator. Therefore, the old air conditioner in the home must be cleaned at least twice a year.

If you think that the air-conditioning cleaning costs are higher, then upgrading the old air conditioner to Haier self-cleaning air conditioner is a good choice.

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The self-cleaning air conditioner adopts the patented cold expansion technology, which can strongly strip the evaporator dirt and keep the air conditioner clean.

On this basis, the “empty net and one” net-boundary self-cleaning air conditioner is iterated, and the upgrade from air conditioner to clean air is achieved, completely eliminating indoor air pollution.

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