Humidifier vs Diffuser: What Are the Differences?

Did you know that 8% of people in the US get the flu each season? To protect your family from the flu, you may be looking into devices that safely increase moisture in the air, like a humidifier.

Most people aren’t aware of the many benefits that a good humidifier can provide. The difference between a humidifier vs diffuser is often unclear, as many people think these devices are the same. Don’t let this be a question in your mind, as their differences are significant and will have significant implications depending on your preferences and needs.

This article will shed light on the answer to those questions. Keep reading to discover them today!

Differences Between a Humidifier and a Diffuser

If you’re like most people, you probably think that a humidifier and a diffuser are the same things. There are actually some significant differences between these two devices, and knowing what they are can help you choose the right one for your needs. Here are the differences between a humidifier and a diffuser:


A humidifier is a device that emits water vapor into the air to increase the humidity of a room. A diffuser is a device that emits essential oils into the air to create an aromatherapeutic atmosphere. Both devices serve different purposes, but both can be used to improve the air quality in a room.


Capacity is one of the most important factors to consider. A humidifier is able to hold more water, making it ideal for large rooms or homes. On the other hand, a diffuser is smaller and more portable, making it better suited for small spaces.  

Run time

One key factor to consider when choosing between a humidifier and a diffuser is the run time. A humidifier typically has a longer run time than a diffuser, so it can run for several hours without needing to be refilled. A diffuser, on the other hand, typically needs to be refilled after just a few hours of use.


Both devices vary in price online and in stores. It really depends on your budget and what features you are looking for in a device. Some humidifiers can be quite expensive, while others are more affordable. The same goes for diffusers. Ultimately, it is up to the consumer to decide which one is worth the investment.

Which is Right for You? 

If you are looking to add moisture to the air, then a humidifier is the way to go. This can be especially beneficial in the winter months when the air is dry and can cause problems for those with respiratory issues.

On the other hand, if you are looking to add a bit of scent to your home, then a diffuser is the device for you.  For example, a white tea diffuser oil can help to create a relaxing atmosphere and can be used with a variety of different essential oils.


There are a few key differences between a humidifier vs diffuser, mostly concerning how they operate and what they are used for. Humidifiers add moisture to the air, while diffusers release essential oils into the air.

Both can improve air quality, but humidifiers are typically better for treating respiratory infections and diffusers are better for relaxation and mood enhancement. So, depending on your needs, either a humidifier or diffuser could be a great addition to your home.