Some must-have features for an air purifier

Keeping the air around you healthy is important as it goes inside your body. We can contribute to making the outside air clean but it will take a lot of time. But, it is possible to keep the air inside your home clean and healthy. It can be done by taking some precautionary measures and by using an air purifier. Air purifiers absorb the contaminants present in the air and improve the air quality. An air purifier comes in numerous models and with numerous features. To get the best results, it is necessary to get the best air purifier for your home. To get the best, you should know the must-have features for an air purifier. Knowing what you need, helps in making a better decision. So, let us know about some features that should look for while buying an indoor air purifier.

How does an air purifier work?

The fan in the air purifier absorbs the outside air and then pushes it towards the filter installed inside the purifier. The filter purifies the air and releases it out to make the air inside your home clean. These filters are made of fiberglass, fiber, paper, or mesh. The filter used in a good air purifier has multiple layers, making it ideal for catching minute contaminants present in the air. The filters can be cleaned at a regular interval and reused. 

You can choose an air purifier from the following recommendations:

The must-have features for an air purifier

Technological advancements bring new and better features that can be added to the air purifier. This also means that there are numerous types of purifiers available in the market now. But, not every purifier will be suitable for you. The answer to which air purifier is best for you depends on your preferences. There are some must-have features for an air purifier and, the following are the ones that you must look for:

1. Protection from bacteria and viruses

Getting rid of harmful bacteria and viruses from the air inside your house is one of the main purposes of an air purifier. It has become even more important due to the current Covid-19 pandemic. Based on the type of filtration system used, some air purifiers can reduce the virus particles and protect you from Covid and other infections and flu. An air purifier with a HEPA filter and/or ultraviolet light can reduce the bacteria and viruses in the air around you. 

2. Allergen removal

There are numerous allergens present in the outside air and can be the cause of many infections. Some common allergens are mold spores, dust mites, pollens, smoke, pet dander, cockroaches, etc. These allergens can enter your house with the air and affect your health. In the absence of an air purifier, the dust and allergens get stuck in the vents and HVAC system. These are then spread throughout your house with the air that comes from them. Therefore, it is important to have an air purifier that removes these allergens from the air. An air purification system with a HEPA filter is best for protecting yourself against allergens. 

3. Safety from VOCs

VOCs or Volatile Organic Compounds are gasses that are produced by household products. Some of the household products that can be a source of VOCs are paints and lacquers, aerosol products, pesticides, cleaning products, furnishings, printers, building materials, etc. Many times the concentration of VOCs is higher inside the house than the outside. When exposed to these compounds, the effect can range from headaches, skin issues, eye and throat irritation, fatigue, shortness of breath, etc. to cancer, organ damage, and disruption of the central nervous system. The air purifiers that use ionization and/or carbon filtration technique are very capable of removing VOCs from the air. 

4. Mold and odor removal

Although mold falls under the allergen category, it requires special attention. Mold can be a cause of some serious health issues by affecting the immune system. A mold allergy can lead to coughing, sneezing, itching, skin issues, congestion, etc. In case of severe allergy, breathing in mold can cause lung inflammation, sinus inflammation, and severe asthma attacks. Mold can grow inside a house due to excess moisture in the air, lack of ventilation, exposure to mold somewhere else that is carried to home, etc. Get an air purifier that can destroy the mold on a molecular level and decontaminate your home from it. 

One other thing that air purifiers help you to get rid of is bad odor. Though odor doesn’t have such a bad effect on your health, it is unpleasant. Also, even if the odor itself is not dangerous, the source of the odor can be harmful to your health. Odor can emanate from allergens, pets, VOCs, and chemicals. Air purifiers can protect your house from odor by removing small microns and droplets that have gasses, particulate matter, etc. 

5. HEPA filter

HEPA filters are the best ones when it comes to air filters, be it for air conditioners or air purifiers. These filters can remove almost 99% of the particulate matter in the air. This, in turn, helps in removing the VOCs, viruses, allergens, and mold. While getting an air purifier, make sure to get the one that uses a HEPA filter along with the other technologies used in the air purification systems. Double-check that the filter is HEPA and not just “HEPA Type” or “HEPA Like”.

Some recommended filters for air purifiers:

  1. LEVOIT Air Purifier Replacement Filter
  2. Germ Guardian FLT4825 HEPA GENUINE Air Purifier Replacement Filter
  3. Philips AC1215 1000 Series Activated Carbon Filter
  4. Mi Air Purifier HEPA Filter

6. Design and ease of use

Design and ease of use are other things that are important to make sure the air purifier is best for you. An air purifier that mixes well with your inside decoration and fulfills your needs will be best suitable for you. Consider the ease of set-up and use, portability, wi-fi accessibility, and aesthetics when buying an air purifier for your house and prevent yourself from the harmful effects of air pollution. 

7. Noise level

Image Credit: Trusted Reviews

An air purifier is an appliance that is required to be used for a longer duration throughout the day and night. But, if it makes too much noise, you will refrain from using it as much as is required. Though the noise levels of the air purifier vary as per the fan settings, there is a standard noise level for each setting. At the lowest fan setting, the noise level should be between 20 to 40 dB and at the highest fan level, the loudest noise an air purifier should produce is between 50 to 70 dB. These levels are silent enough to give you a peaceful environment in your house while giving you clean air to breathe as well. 

8. Replaceable parts availability

It often happens with appliances that it is difficult to find the replacement parts in case of any maintenance issue. Most of the appliances are produced with a limited artificial useful life. After the end of this useful life, the appliances are mostly unusable if there is any damage to any part of it. So, when getting an air purifier make sure that its replaceable parts are available in the market if you need them in the future.  

9. Energy consumption

Taking care of the energy consumption of your appliances is one of the most important things. This is because if you are not careful enough, your electricity bills can be sky-high. So, to control your energy consumption costs, look for units that don’t use more than 100 watts even on their highest setting. 

10. Maintenance cost

The lifespan of an air purifier can range from a few months to years. The life of the air purifier depends on the filtration technology used and the contamination in the air. When buying an air purifier, consider the cost of the purifier and the cost of maintenance you might have to incur in the future. Also, add the annual cost of filter replacement while considering whether the cost of the air purifier will be justifiable as per your needs or not. Make sure to take note of the warranty and return policy of the air purifier as well. 


Having an air purifier in your home is kind of a necessity these days. But, before getting an air purifier, make sure to consider all the features that it has and the features that you need. Remember to look for the above-mentioned must-have features for an air purifier. The right air purifier will keep your indoor air clean without putting too much strain on your budget.

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