Top 5 Disadvantages of using a conventional Air Purifier

The World Health Organization (WHO) estimates more than seven million deaths worldwide every year are attributed to ambient and household air pollution. Air pollution also increases the risks for acute respiratory infections. As the intake of polluted air can have severe health effects such as asthma, COPD, or increased cardiovascular risks, most countries have strengthened laws to control the air quality and mainly focus on emissions from automobiles. Air purifiers remove smoke particles which pose a risk to health. Moreover, efficient air purifiers have the capacity to capture some bacteria, viruses, and DNA damaging particles. With increasing air pollution, air purifiers have become the fastest-growing product in the home appliances space. The global size of the air purifier market was estimated at $8.04 billion in 2019 and is expected to grow at a CAGR of 10.8% during the years 2020 – 2027. In the Indian context, the air purifiers market is projected to grow at a CAGR of more than 29% from the current level of USD 14.14 million to USD 38.99 million in 2023, according to an ASSOCHAM-TechSci Research joint study

The rising number of airborne diseases and rising pollution levels in urban areas in congruence with rapid urbanization, increasing purchasing power, expanding urban population and deteriorating air quality are the reasons behind this steep increase in demand. Although from the above data it seems that using an air purifier can have health benefits, there are also disadvantages of air purifiers that you must know about.

Disadvantages of using Air Purifiers

What seems to be a promising solution for air conditioning, is also a concerning subject for the environment. Indoor air purifiers are associated with Ammonia, Methyl Chloride, Sulfur dioxide, and Chlorofluorocarbons. This is another concern for the Ozone layer and global warming. Some other negative side effects of air purifiers that we need to watch out for are listed below.

1. Ozone Emissions

One of the most dangerous problems of air purifiers is ozone gas. Some types of air purifiers, specifically ozone generators, electrostatic precipitators, and ionizers, emit ozone into homes. Ozone gas occurs naturally in the upper atmosphere, but it is also a common component of man-made smog. Ozone generating air purifiers deliberately emit ozone gas as a strategy for eliminating bacteria and chemicals in the air. In contrast, some electrostatic precipitators and ionizers emit ozone unintentionally as a by-product of their function. These emissions may seem hard to spot. The disadvantages of air purifiers that emit ozone gas include shortness of breath, chest congestion, coughing, and other respiratory diseases. Patients with asthma or other pre-existing health conditions may experience intensified symptoms of those conditions as a result of ozone exposure

2. Under Performance

Apart from potentially worsening the quality of the air in your home, air purifiers can also underperform, and not provide all of the purifying effects that manufacturers claim. This worsens the negative side effects of air purifiers. There are several types of contaminants that impact air quality but most air purifiers are only effective against two or three. No air purifier can work with 100% efficiency. Purifiers that only use activated carbon air filters will remove smoke or odor and will fail at tackling microorganisms and allergens from your home. HEPA filtration purifiers can capture allergens but are ineffective against odors, chemicals, and gases, including smoke.

3. UV Rays

UV rays in a filter kill all the particulate matter that passes through it. UV technology is commonly combined with air filters to attain efficiency and maximum air quality. This is another one of the disadvantages of air purifiers for humans as the filter fixed with UV technology also tends to break the oxygen and water molecules into ozone and hydroxyl. The broken down elements will then react with other pollutants and turn even more harmful. UV air purifiers, thus, may not be an effective solution for particulate matter. Many UV air purifiers miss out on trapping microorganisms because of shielding provided by the particles.UV rays in a filter kill all the particulate matter that passes through it. UV technology is commonly combined with air filters to attain efficiency and maximum air quality. This is another one of the disadvantages of air purifiers for humans as the filter fixed with UV technology also tends to break the oxygen and water molecules into ozone and hydroxyl. The broken down elements will then react with other pollutants and turn even more harmful. UV air purifiers, thus, may not be an effective solution for particulate matter. Many UV air purifiers miss out on trapping microorganisms because of shielding provided by the particles.

4. Moulds and Bacteria

What happens when all the microorganisms are grouped in a trap inside HEPA filters over time and are left untreated? These filters can turn into a perfect breeding place for bacteria and microbes. Bacteria and microbes are also negative side effects of air purifiers. The grouped microscopic organisms can quickly multiply themselves swiftly to bounce back in your room. This makes many people dubious about whether to install an air purifier or go natural. To avoid such problems of air purifier it is recommended that the filters be changed on a regular basis.

5. Maintenance Overhead

Indoor air purifiers need maintenance, which can be very expensive. For as long as you have an air purifier installed in your home, you have to be careful with its maintenance as its efficiency majorly relies on how functional its parts and peripherals are. If the maintenance does not happen on a regular basis it just amplifies the disadvantages of air purifiers. Considering a replacement would not solve any problem as it would be an added expense. Cleaning and replacing the filters can turn out into a costly activity, and this has to be done timely.

Indoor air purifiers need maintenance, which can be very expensive. For as long as you have an air purifier installed in your home, you have to be careful with its maintenance as its efficiency majorly relies on how functional its parts and peripherals are. If the maintenance does not happen on a regular basis it just amplifies the disadvantages of air purifiers. Considering a replacement would not solve any problem as it would be an added expense. Cleaning and replacing the filters can turn out into a costly activity, and this has to be done timely.

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