What are the different types of Air Purifier?

Different types of Air Purifier

Did you know that the air we breathe indoors can be up to 5 times more polluted than outside air? With increasing concerns about air quality and its impact on our health, it is no wonder that air purifiers have gained popularity in recent years.

These devices, commonly known as air filters, are designed to remove harmful particles and pollutants, making breathing cleaner and healthier. This blog post will explore the different types of air purifiers available and their unique features. Whether you want to improve the air quality in your home or office, this blog post aims to provide valuable information and help you make an informed decision when choosing an air purifier that best suits your needs.

So, let's dive in and explore the world of air purifiers!

Different Types of Air Purifiers

Air purifiers have become an essential appliance in many homes today, thanks to the growing concerns about indoor air quality. With the increasing levels of air pollution, dust, and allergens in our surroundings, it's no wonder that people are looking for ways to keep the air in their homes clean and pure. Different types of air purifiers are available in the market today, each with its unique way of functioning.

Mechanical filter

One common type of air purifier is the Mechanical filter. This purifier uses a filter to trap particles and contaminants in the air. The air is drawn into the purifier, and as it passes through the filter, the particles get trapped, and clean air is released back into the environment.

The advantage of mechanical filters is that they are highly effective at removing a wide range of particles, including dust, pollen, pet dander, and mold spores. However, one disadvantage of this purifier is that the filters must be replaced regularly to maintain their effectiveness.


Another type of air purifier is the ionizer. Ionizers emit ions into the air, which attach themselves to particles, making them too heavy to stay airborne. These heavier particles then fall to the ground or onto surfaces where they can be easily cleaned.

The advantage of ionizers is that they can effectively remove particles too small to be trapped by mechanical filters. They are also typically more energy-efficient than other types of purifiers. However, one disadvantage of ionizers is that they can produce ozone as a by-product, which can be harmful in high concentrations.

Activated Carbon filters

Activated carbon filters are another type of air purifier that uses a porous material to trap and absorb odours, chemicals, and gases. The activated carbon has a large surface area, allowing it to capture these contaminants effectively. 

The advantage of activated carbon filters is that they can remove a wide range of odours and chemicals, making the air fresher and cleaner. However, one disadvantage is that they are less effective at removing particles like dust and pollen.


UV germicidal irradiation (UVGI) purifiers use ultraviolet light to kill bacteria, viruses, and other microorganisms in the air. These purifiers work by exposing the air to UV light, which damages the DNA of these organisms and prevents them from reproducing.

The advantage of UVGI purifiers is that they can effectively kill pathogens in the air, helping to prevent the spread of illnesses. However, one disadvantage is that they are less effective at removing particles or odours.

Different air purifiers are available, each with its unique way of functioning. Mechanical filters trap particles in a filter, ionizers emit ions to make particles heavier, activated carbon filters absorb odours and chemicals, and UVGI purifiers use ultraviolet light to kill microorganisms. Each type has advantages and disadvantages, but all aim to improve indoor air quality for a healthier living environment.

Types of Air Purifier filters

How do air purifiers work? The answer lies in the filters that they use. filters are the core component of any air purifier, as they capture and eliminate unwanted particles in the air. There are different types of air purifier filters, each with its advantages and disadvantages. In this section, we will discuss the most common air purifier filter types and how they affect the performance and maintenance of your air purifier.

Types of filters:

  1. High-Efficiency Particulate Air (HEPA) filters: HEPA filters are considered the most effective type of air purifier filters used. They are designed to capture 99.97% of particles as small as 0.3 microns, including dust, pollen, smoke, and pet dander. HEPA filters are made of pleated material, which increases their surface area, allowing them to catch more pollutants. HEPA filters are also the best air filters for people with allergies and asthma, as they can remove most of the common allergens and irritants from the air.
  2. Activated Carbon filters: Activated carbon filters are commonly used in conjunction with HEPA filters. They are designed to absorb gases, odors, and chemicals from the air, such as volatile organic compounds (VOCs). Activated carbon filters, also known as carbon filters are made from coconut shells, coal, or wood, and are treated to increase their surface area and adsorption capacity.
  3. Ultraviolet (UV) Light filters: UV light filters use ultraviolet light to kill germs, bacteria, and viruses in the air. They are often used in hospitals, clinics, and other healthcare settings where germs are a concern. UV light filters can also help reduce mold spores and fungi in the air. UV light filters are also called air purifier pre filters, as they are usually placed before the main filter to sanitize the air.
  4. Ionizers: Ionizers use negative ions to attract positive ions, such as dust and pollen, in the air. Once the particles are charged, they stick to surfaces or fall to the ground, reducing the amount of airborne pollutants. Ionizers are less common than HEPA filters but can effectively add to an air purifier filter system. Ionizers are also considered a type of air purifier, as they do not use any filter to clean the air.

Importance of Regular filter Replacement

Regular filter replacement is crucial to ensure your air purifier continues to remove pollutants from the air effectively. Over time, filters become clogged with particles and lose their efficiency. This reduces the air purifier's effectiveness and means the device may need to work harder to circulate air, leading to increased energy consumption.

How often to Replace filters?

The frequency of filter replacement depends on several factors, including the type of filter, usage, and manufacturer recommendations. Generally, HEPA filters must be replaced every 6-12 months, while activated carbon filters can last anywhere from 3-6 months. UV light filters typically require replacement every 12-18 months. It's essential to refer to the manufacturer's guidelines for specific replacement schedules, as some models may have different requirements. You can also check the air purifier filter price in stores to find the best deal for your filter replacement.

Understanding the different types of filters used in air purifiers and replacing them regularly is critical to maintaining good indoor air quality. By selecting the appropriate filter type for your needs and following the recommended replacement schedule, you can enjoy the benefits of clean air and a healthier living environment.

Remember, a well-maintained air purifier can significantly reduce allergy symptoms, respiratory issues, and the spread of illnesses, making it a valuable investment for any home or office. If you are looking for the best type of air purifier for your home, you can compare the features and prices of different models online or consult an expert before purchasing.

Air Purifiers In India

India is one of the most polluted countries in the world, with 22 of the 30 most polluted cities in the world located in India. The air quality in India is often hazardous, especially during the winter months when the levels of particulate matter (PM), nitrogen dioxide (NO2), and ozone (O3) exceed the safe limits set by the World Health Organization (WHO).

India's main sources of air pollution are vehicular emissions, industrial emissions, crop burning, construction activities, and household cooking and heating. Air pollution can have serious health consequences, such as respiratory infections, asthma, chronic obstructive pulmonary disease (COPD), lung cancer, cardiovascular diseases, and premature death. According to a study by the Health Effects Institute, air pollution was responsible for 1.67 million deaths in India in 2019, accounting for 18% of the total deaths in the country.

Given the alarming state of air pollution in India, it is no wonder that many people are looking for ways to protect themselves and their families from the harmful effects of polluted air. An air purifier is one of the most effective ways to do so. An air purifier removes pollutants and contaminants, such as dust, smoke, pollen, pet dander, mold spores, and bacteria. They can help you breathe easier, reduce allergies, and prevent respiratory infections.

But how do you choose the right air purifier for your home? Different types of air purifiers are available in the market, each with its features and benefits. Some of the most popular types of air purifiers in India are:

HEPA Air Purifiers

HEPA stands for High-Efficiency Particulate Air, and these air purifiers use a mechanical filter to trap particles and contaminants in the air. HEPA air purifiers can remove 99.97% of particles that are 0.3 microns or larger, which includes most of the common allergens and pollutants in the air. HEPA air purifiers are also the best air purifier for home in India, as they can remove most of the common allergens and irritants from the air. Some of the top air purifiers in India that use HEPA filters are Voltas Verve 450, Voltas Crystal 280, Philips AC2887/20, Mi Air Purifier 3, and Coway AP-1009CH.

Activated Carbon Air Purifiers

Activated carbon air purifiers use a filter made from coconut shells, coal, or wood and are treated to increase their surface area and adsorption capacity. Activated carbon air purifiers can absorb gases, odors, and chemicals from the air, such as volatile organic compounds (VOCs). Activated carbon air purifiers, also known as charcoal filter air purifiers, can help reduce the smells and fumes from cooking, smoking, and pets. Some of the top 10 air purifiers in India that use activated carbon filters are Voltas Aura 2800, Voltas Crystal 470, Dyson Pure Cool Link Tower, Honeywell Air Touch i8, and Blue Star BS-AP490LAN.

UV Light Air Purifiers

UV light air purifiers use ultraviolet light to kill germs, bacteria, and viruses in the air. They are often used in hospitals, clinics, and other healthcare settings where germs are a concern. UV light air purifiers can also help reduce mold spores and fungi in the air. Some of the best air purifiers in India that use UV light are Voltas Aura 2400, Voltas Crystal 480, Kent Aura, Eureka forbes Aeroguard AP 700 DX, and Sharp fP-f40E-W. 

Ionizer Air Purifiers

Ionizer air purifiers use negative ions to attract positive ions, such as dust and pollen, into the air. Once the particles are charged, they stick to surfaces or fall to the ground, reducing the amount of airborne pollutants. Ionizer air purifiers are less common than HEPA air purifiers but can be an effective addition to an air purification system. Ionizer air purifiers are also considered as a type of air purifier, as they do not use any filter to clean the air. Some of the best air purifiers for home in India that use ionizers are Voltas Aura 3400, Panasonic f-PXJ30AHD, Havells freshia AP-40, and Breathefresh Vayu Natural.

Depending on your needs and preferences, these are some of the common types of air purifiers that you can choose from. However, there is no definitive answer to which type of air purifier is the best, as different types have different pros and cons. The best type of air purifier for you may depend on factors such as the size of your room, the level of air pollution, the type of contaminants, and your budget. You can compare the features and prices of different models online or consult an expert before purchasing.

One of the most important factors to consider when buying an air purifier is the air purifier price in India. The price of an air purifier can vary depending on the device's type, size, brand, and features. Generally, the price of an air purifier can range from Rs. 5,000 to Rs. 50,000, depending on the model and quality. You can check the air purifier for room price in India online or in stores to find the best deal for your air purifier.

Another important factor to consider when buying an air purifier is the air filter price. The filter is the core component of any air purifier, as it captures and eliminates unwanted particles in the air. Therefore, you should always check the filter's condition and replace it when it is visibly dirty or damaged. The frequency of filter replacement depends on the type and usage of the filter as well as the level of air pollution in your area. Generally, you should follow the manufacturer’s instructions for more specific guidelines on filter replacement.

If you are looking for an air purifier with low cost filters, you can opt for an ionizer or a UV light air purifier, as they do not require any filter replacement. However, you should be careful about ozone emissions and UV exposure, as they can harm your health. You can also look for an air purifier filter 3m, a brand that offers high-quality filters at affordable prices.

Regarding air filters, Voltas stands out as the best place to buy air filters, offering a blend of quality and reliability that ensures your respiratory well-being.

One of the most common questions that people have when buying an air purifier is how to clean air purifier filter. Cleaning the air purifier filter is essential to maintain the efficiency and performance of the device, as well as to prevent the growth of bacteria and mold on the filter.

The method of cleaning the air purifier filter depends on the filter type and the manufacturer’s instructions.


In conclusion, air purifiers are an effective way to protect yourself and your family from the harmful effects of air pollution. With various air purifiers in the Indian market, choosing the right one can be overwhelming. Considering room size, level of air pollution, type of contaminants, and budget can help you decide which air purifier suits your needs.

Additionally, it is essential to consider the air purifier price in India and the cost of replacing filters. Always follow the manufacturer's filter replacement and maintenance instructions to ensure optimal performance. Lastly, if you're looking for a reliable brand for an air filter home, Voltas is a great option.

By investing in an air purifier, you're not just improving your home's air quality but also safeguarding your health and well-being. No longer will you have to worry about breathing in harmful pollutants or feeling suffocated by the heavy smog outside. Instead, you'll be able to breathe easily and freely, knowing that the air around you is clean and pure. One of the benefits of using an air purifier is that it can remove odours and gases from the air, such as smoke, cooking smells, and volatile organic compounds (VOCs). A charcoal filter air purifier can be especially effective for this purpose, as it can trap and neutralize these substances.

But don't just take our word for it – the science speaks for itself. Studies have shown that air purifiers can significantly reduce the concentration of air pollutants in homes, schools, and offices. And with the wide range of options available, there's never been a better time to invest in an air purifier. Whether you’re looking for the best air purifier in India or the top 10 air purifier in India, you can find a model that meets your specific needs and preferences. Some of the factors that you can consider are the type of filter, the coverage area, the noise level, the energy consumption, and the warranty.

So why wait? Don't let air pollution hold you hostage any longer. Make the smart choice today and start breathing easy with a purifier filter. Your lungs – and your health – will thank you!

For more comprehensive guide on Air Purifier, checkout this blog - Air Purifiers Comprehensive Guide: Types, Benefits & Selection