Air Purifier vs Humidifier: Which Is Better?

There’s been a lot of talk about air purifiers and humidifiers lately. People wonder if they need one and, if so, which is better for them: an air purifier or a humidifier?

This blog post will differentiate between air purifiers and humidifiers and explain their benefits. We will also answer some frequently asked questions about these two products.

Air Purifier: What Is It?

An air purifier is a device that cleans the air in your home or office. It does this by trapping pollutants and allergens in the air, such as dust, pollen, smoke and pet dander. There are many different types of air purifiers on the market, but they can broadly be divided into two categories:

  • Mechanical filters are the most prevalent type of air purifier. They work by using a fan to force air through a mesh or HEPA (high-efficiency particulate air) filter. The clean air is then released back into the room.

  • Activated carbon filters are less common than mechanical filters but growing in popularity. These filters adsorb contaminants onto a bed of activated carbon. Activated carbon is a type of charcoal that has been treated with oxygen to create a porous surface. This surface has many nooks and crannies that trap contaminants like smoke, chemicals and odours.

An air purifier can help to improve the overall indoor air quality. This is especially beneficial if you have allergies or respiratory problems like asthma. By removing allergens and other pollutants from the air, an air purifier can help to reduce your symptoms. Additionally, an air purifier can help reduce the dust in your home.

Humidifier: What Is It?

Humidifiers can help improve the quality of the air you breathe by adding moisture to dry air. This is useful if you have allergies or asthma. Humidifiers can help reduce symptoms. They can prevent static electricity and static cling.


The two main types of humidifiers are:

  • Warm mist humidifiers heat water to create steam. The steam is released into the air and adds moisture to the room. Warm mist humidifiers are often used in cold weather because they can help increase the room’s temperature.

  • Cool mist humidifiers release a fine spray of water into the air. This spray of water evaporates and adds moisture to the room. Cool mist humidifiers are often used in hot weather because they can help decrease the room’s temperature.

Humidifiers are beneficial in dry conditions, such as during winter when heaters are running, or in places with low humidity, such as deserts. They come in many different shapes and sizes, but these are the commonly used ones:

  • Ultrasonic humidifiers use high-frequency vibrations to create a fine mist of water. This mist is then released into the air and evaporates, adding moisture to the room.

Evaporative humidifiers work by passing air over a wet wick or filter. The air absorbs the water from the wick and then evaporates, adding moisture to the room.

The FAQs

We have narrowed down the following frequently asked questions when it comes to air purifiers and humidifiers:

Q: What Is the Difference Between an Air Purifier and a Humidifier?

A: In a nutshell, an air purifier is a device that helps to clean the air in your home by removing harmful contaminants and particles, such as allergens and viruses. A humidifier, on the other hand, increases the air’s humidity level.

Q: How Do Air Purifiers and Humidifiers Impact Your Health?

A: Both air purifiers and humidifiers can have an impact on your health. Air purifiers can help remove harmful contaminants, improving your respiratory health. Humidifiers increase the level of moisture in the air.

Q: Which Is More Effective Under Various Circumstances?

A: There is no definitive answer as to whether an air purifier or humidifier is more effective. It depends on your specific needs and circumstances. Humidifiers are better suited in dry climate areas. Air purifiers help ease breathing in polluted indoor air, especially the immunocompromised ones who have lung ailments and are prone to allergies.

Q: Can I Use Them Together?

A: Yes, you can use an air purifier and humidifier together. However, you should consult with a doctor or allergist first to ensure that this is the best action for your specific needs.

Which Is Better Between a Humidifier and an Air Purifier

When deciding whether to purchase an air purifier or a humidifier, it’s essential to understand your needs and circumstances. 

A humidifier may be more beneficial if you live in a dry climate or have respiratory problems. However, if you’re looking for a device to help remove harmful contaminants from the air, an air purifier is the better choice.

Additionally, air purifiers are more effective at reducing the spread of viruses, such as the flu, in enclosed spaces. Therefore, an air purifier is the better option if you’re looking for a device to help protect your family from illness.

Rensair: The World’s Best Air Purifier

If you’re looking for the best air purifier in Australia, Rensair is the definite answer. This premium air purifier features a HEPA filter that kills pathogens and an airborne UVC lamp that eliminates viruses. The unit has an indicator to inform you when the HEPA filter and UVC lamp need to be switched out.

Rensair can remove 99.97% of all airborne particles, and it can purify your air to such an extent that even dangerous ultrafine particles will be eliminated. Moreover, Rensair is one of the quietest air purifiers on the market. This means you can be sure your air will be clean and fresh without any annoying noise.

Have questions about HEPA air purifiers? Our experts are here to help. Call us at (03) 9460 5655 today.