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What is the difference between an air purifier and a humidifier?

Both an air purifier and a humidifier help improve indoor air, but how they work is different. An air purifier removes allergens, mold spores, bacteria, smoke, dust, pet dander and smell, and other harmful particles, whereas a humidifier adds moisture to the air. So, an air purifier cleans the air around it, and a humidifier, as its name suggests, humidifies it.

Air purifiers are beneficial, especially for people with asthma and allergies, while humidifiers are helpful when some acute conditions such as common cold, sinusitis, coughing, dry skin, etc.

A humidifier needs water to properly work, while an air purifier does not require such maintenance.

What is a dehumidifier?

Other than air purifiers and humidifiers, there are also dehumidifiers that dry the moist air in contrast to a humidifier. Dehumidifiers do not clean the air, but reduce the development of mold, dust mites, and certain bacteria that flourish in moist environments by drying the air. Dehumidifiers are recommended mostly in warm seasons with higher than 50% humidity.

Do air purifiers help with smell?

Air purifiers with carbon filters are very effective in eliminating odors and smells.

Do air purifiers help with dust and allergens?

Air purifiers with HEPA filters are very helpful in getting rid of dust, allergens, and all other particles in the air.

Breathing clean air is essential for good health. Unfortunately, nowadays, we spend most of our time indoors, sometimes without direct access to fresh air from outside, and other times without being able to open the window due to cold weather. Here come air purifiers on the scene to provide clean indoor air to breathe healthily.

However, choosing the right air purifier for your needs can be daunting, with a wide range of options available on the market. In this buying guide, we will provide you with the information you need to make an informed decision on your buy. Whether you are looking to alleviate allergies or asthma symptoms, remove smoke or pet odors, or simply improve the air quality in your home or office, this guide will help you decide on the best option for your budget and needs.

What is an air purifier?

An air purifier is a device that removes pollutants, allergens, and other airborne contaminants from the air indoors. It works by drawing in air, filtering out impurities, and then releasing clean air back into the room. Air purifiers are commonly used in homes and businesses to improve indoor air quality and reduce the risk of respiratory problems and other health issues caused by airborne pollutants. They are useful for people with allergies, asthma, or other respiratory conditions. Air purifiers also benefit people living in areas with high levels of air pollution.

What factors are important when choosing an air purifier?

Below are the factors that need to be considered when choosing an air purifier:

1. Room size:

The size of the room you will use your air purifier is an important factor when making a buying decision because air purifiers are designed to handle certain square footage. So, the capacity of the air purifier you choose should match your needs.

2. Filter type:

Different types of filters are used in air purifiers, such as HEPA, activated carbon, or UV-C light. HEPA filters are the most effective at removing airborne particles, while activated carbon filters are better at removing odors and chemicals.

Some air purifiers have multi-filtration systems, such as a 3-stage Air Filtration System that includes a True HEPA Filter, Activated Carbon Filter, and Pre-filter. This 3-stage filter is able to neutralize up to 99.97% of airborne allergens, pollen, smoke, dust, dander, smog, and mold, which is quite an innovation to manage asthma or allergies.

So, you should consider if the filter system in the air purifier you choose matches your real needs.

3. Noise level:

Some air purifiers can be noisy, distracting and even disruptive to sleep. Make sure to check the noise level of the air purifier you are considering and look for one with a quiet operation if that is important to you. If you buy an air purifier whose noise level is less than 50 dB, you can safely put it in even your child’s bedroom without worrying about the noise.

4. Energy efficiency:

Energy efficiency is another factor to consider when deciding on an air purifier. You should look for energy efficiency ratings of the air purifiers on the market to save money on your energy bills and contribute to environmental protection.

5. The portability:

The weight and size of the air purifier should also be considered when buying one. It would be easier to move air purifiers as their weight and size become smaller.

6. Maintenance and replacement costs:

Filters and some other parts of air purifiers need to be replaced over time. So, you should also consider how frequently you need to replace them and their availability and replacement costs.

7. Brand reputation and customer reviews:

Buying an air purifier from a brand with a good reputation is important, too, because you may need them after you purchase your air purifier, not only for maintenance but also for replacement needs, as mentioned above. So, you should look for the reviews of other customers and the brand’s dedication to customer satisfaction.

What are the different types of air purifiers?

Out of many purification and filtration systems used in air purifiers, these two below dominate the air purifier world:

  • Air purifiers with ionic generator
  • Air purifiers with filter

An air purifier with an ionic generator cleans the air by giving out ions that clamp to the undesired particles, making them so heavy that they can no longer float in the air. These particles eventually fall to the ground leaving the air we breathe clean. The downside of this type of air purifier is that you have to vacuum the floor after you use the air purifier.

On the other hand, air purifiers with a filter work quite simply. They pull the air into their filter, capture the harmful particles inside, and return the cleaned air into the room. So, there is no additional work after using this type of air purifier. Air purifiers with a filter are especially recommended for people with asthma or allergies. HEPA filters are the most effective ones that can even hold the smallest particles. If your HEPA filter comes with a carbon filter, it collects all bad smells, too, providing the best air purifier option in the market.


You need an air purifier if the air quality in your home is low or you have certain health issues, like allergies or asthma. There are always pollutants and allergens floating in the air. Air purifiers help remove these particles from the air we inhale, and they also help with the odor, dust, musty smell, mold, and any other airborne complaints you might have.

HEPA filters are best at holding the particles, and so are carbon filters to help with odors. So, especially if you have a pet at home, you should consider buying an air purifier with a HEPA and carbon filter combined to prevent any respiratory diseases and to eliminate bad smell.

Go and get an air purifier and start inhaling a healthy breadth!