What is the difference between diffuser and humidifier? Diffuser vs humidifier – which to buy

Are humidifiers the same as essential oil diffusers? Many people are still confused between humidifiers and diffusers. They mistaking them to be the same thing. There are many different types, which all work a little differently. Let’s clarify everything together! We will find out how they both work and which one you should get!

Diffuser. What is this

  Mostly, a diffuser is used to freshen up a room’s aroma. They are usually paired with essential oils for aromatherapy. Depending on what oils you use, the mist absorbed by your skin can have a thousand effects. Diffusers can also reduce the amount of bacteria and fungus in the room. That is why they are helpful for preventing any health issues. One important thing: you’ll only benefit from diffusers if you use the right essential oil according to your needs. If you have ever googled “how to relax”, or “ways to improve your sleep”, you might have seen some advice to buy an essential oil aroma diffuser.

How does a diffuser work

  There are four types of essential oil diffusers with some specific instructions for use.

Evaporative and heat diffusers

  For evaporative diffusers, all you need to do is to add oil drops to the  filter or pad. Then, the diffuser fan blows air through the filter or pad. It helps the oil evaporate quicker and spread the aroma into the room. The heat diffuser works same. But the only difference is the use of heat instead of a fan.

Nebulizer diffusers

  A nebulizer diffuser comes with a tube, where oil is added. An air-jet blows followed by a vacuum effect. It sucks oil to the top of the tube. Then, tiny oil droplets are diffused throughout the room.

Ultrasonic diffusers

  This type is also known as humidifying diffusers. Essential oils are added into the water and stay on the surface. A disk, which is placed inside the device, vibrates and agitates the water. It breaks the oil into tiny particles. After that, oil is dispersed into a fine mist while simultaneously humidifying the air.


  Particularly during the autumn and winter, people trying to keep warm at home often have to deal with very dry air caused by low humidity levels. This causes a variety of troubles. They can ranging from cracked lips to more serious problems such as headaches and nose bleeds. Dry air can also worsen asthma and raise our risk of sinus troubles. The common cold. Flu. Of course, humidifiers can increase the moisture in the air. They help protect against these problems in any indoor environment.
  There are two types of humidifiers: warm mist and cool mist. Warm mist humidifiers work best in smaller areas like bedrooms and offices.  But, many parents choose cool mist humidifiers to avoid hot water accidents in children’s nurseries, bedrooms, or other common areas. It is safer for children.

Humidifier vs Diffuser: What is the difference

  1. Different purposes

  Humidifiers increase the humidity and moisture of a room. On the other hand, the purpose of diffuser is to spread essential oils throughout a room.

  1. Dissimilar effects

  Thanks to its relaxing abilities, a diffuser is helpful in fighting depression and promoting calm and relaxation.

  What about the humidifier? There are a number of benefits of humidifiers for individuals who suffer from asthma. Humidifiers can help with such common problems as dry sinuses, bloody noses, and cracked lips caused by dry indoor air. Humidifiers can also help ease symptoms of a cold or other respiratory condition. With humidifiers, more comfortable breathing may be possible for those with chronic breathing issues.

  1. Not only one reason

  If you live in a dry climate or the winter is coming, the dry air can cause a lot of serious problems. Dry skin, nose bleeds, chapped lips, and more. Humidifiers require bigger water tanks to use enough water to effectively raise the humidity level across an entire room or home. Meanwhile a lot of diffusers don’t use water at all! The type of essential oil diffuser that uses water is called an ultrasonic diffuser and it is not so helpful as a humidifier.

  If your favorite part about being home is getting to wind down and relax with a little aromatherapy, an essential oil diffuser is definitely for you. However if you want to protect your health and increase the humidity level , a humidifier is your best choice.  If you’re living with kids or have pets, a humidifier is also better. Why? So as not to trigger any allergies that could be caused by essential oils.