An essential oil diffuser

An essential oil diffuser (Photo by Tron Le on Unsplash)

Creating a spa-like environment at home is very trendy. Essential oil diffusers have emerged as a popular tool for enhancing mental well-being, promoting relaxation, and purifying indoor air. These devices disperse the therapeutic scents of essential oils into the air, transforming any space into a tranquil oasis. Whether you’re looking to unwind after a long day, boost your focus while working from home, or infuse your living space with natural fragrances, finding the best essential oil diffuser can significantly elevate your daily routine. With options ranging from sleek, modern designs to feature-rich models that offer mood lighting and automatic shut-off, there’s a perfect diffuser for every preference and need.

While many people swear by the use of essential oils to treat everything from headaches to anxiety, aromatherapy remains controversial. Due to the lack of U.S. Food and Drug Administration (FDA) approval, many doctors hesitate to suggest these treatments. However, many studies show these oils have a positive impact on health. A recent study found that peppermint oil alleviates pain and improves sleep for heart surgery patients. Another survey done during the height of COVID-19 found patients who sniffed essential oils were more likely to regain their sense of smell.

Essential oil diffusers fall into one of four categories:

  • Ultrasonic Use water and ultrasonic waves to disperse oils as a fine mist.
  • Nebulizing – Use a nebulizer to convert oils into a fine mist. No water is used.
  • Heat – Use heat to evaporate the oil and release its aroma.
  • Evaporative – Use a fan to evaporate the oil and blow it into the air.

Before purchasing a diffuser, consider the size of your space, noise level, water capacity, ease of cleaning, and safety features. Heat diffusers tend to be the quietest, while nebulizers are louder. Which ones are the best? We’ve done the research online and found the top six best essential oil diffusers most recommended by experts. Is there one we missed? Let us know below.

➡️ How Our “Best Of The Best” Lists Are Created

StudyFinds’ “Best of the Best” articles are put together with the idea of taking the work out of common consumer research. Ever find yourself searching for a product or service on Google and reading multiple reviews to find items listed across many of them? Our Best of the Best lists are created with that process in mind, with each item ranked by how frequently it appears on expert reviews or lists. With Best of the Best, you are getting consensus picks — making them truly the best of the best!

Dropper with a bottle of essential oils
Essential oil bottle (Photo by CRYSTALWEED cannabis on Unsplash)

The List: Top 6 Essential Oil Diffusers, Ranked

1. Asakuki Essential Diffuser

Asakuki Essential Diffuser
Asakuki Essential Diffuser

This compact ultrasonic diffuser, which comes in many colors and finishes has one of the largest water tanks on the market, so you won’t be refilling it constantly. The Spruce loves this model because it has multiple settings, is customizable, easy to use, and has an automatic shutoff. It’s also full of bells and whistles such as a remote control and built-in mood lighting!

It’s hard to argue with the more than 47,000 positive reviews for this diffuser on Amazon. Good Housekeeping reports it’s great if you need to infuse a large area and you can control it using voice commands through Alexa.

This workhorse will run for 16 hours and has seven different LED light options. According to reviews on Women’s Wear Daily, testers love the non-obtrusive lights and call the light sound of the water “soothing.”

2. InnoGear Upgraded 150ml Diffuser

InnoGear Upgraded 150ml Diffuser
InnoGear Upgraded 150ml Diffuser
This diffuser has a much smaller water tank than the Asakuki but still has some cool features that make it a good buy, including a locking feature that makes it easier to move the device from room to room without spilling the water and oil. USA Today says other big plusses include the measuring line, built-in measuring cup, and built-in LED lights.

The 100ml version of this diffuser is affordable. Women’s Wear Daily says while it’s inexpensive it still has plenty of bells and whistles including two misting modes, eight different switching hues, and an automatic shutoff when the water runs out. Testers love it because it’s easy to use and fills the rooms with a scent in seconds.

The InnoGear is very versatile because you can use the light and mist separately. BHG writes this may not be as stylish as some other diffusers, but it gets the job done.

3. Vitruvi Stone Diffuser

Vitruvi Stone Diffuser
Vitruvi Stone Diffuser

This is a ceramic diffuser that is large enough to send your scent through multiple rooms. It gets the “best overall” award from Good Housekeeping which says it’s “stylish, yet efficient.” It won’t take up too much room and many testers likened its sleek design to a piece of art.

Experts say this diffuser is well worth the price, thanks to its lifetime warranty and quality features. While it doesn’t have colored lights, Better Homes & Gardens says it has four relaxing mood light settings and it will easily fill 500 square feet of space with a beautiful aroma.

If you want your device to blend into your decor, this is the diffuser to buy. Home and Gardens writes, “It’s so beautiful that it’s easy to forget that it’s functional, too.”

4. Urpower 500ml

Urpower 500ml
Urpower 500ml

Just like the number one choice on our list, the Urpower 500ml holds a lot of water. The New York Times places it on a pedestal, saying it has a strong stream of mist and a better design than other diffusers in its price point.

USA Today and Good Housekeeping both agree the 100ml version of the Urpower is also top-notch if you need a small, but mighty device. Made out of faux wood, it shuts off when it’s out of water and it has continuous and interval mist settings.

5. Pura Smart Home Fragrance Device Starter Set

Pura Smart Home Fragrance Device Starter Set
Pura Smart Home Fragrance Device Starter Set

This is a plug-in smart diffuser, that gets high marks, but also comes with a high price tag. According to Good Housekeeping, it’s controlled by an app and lets you switch between two different scents. It also will work on areas as large as 1,000 square feet.

If you’re looking for a customized experience, this is the diffuser you should investigate. Women’s Wear Daily says you can the device offers multiple scents that are adjustable. The fragrances are paraben and phthalate-free.

Since many essential oils are toxic to pets, this is a great choice if you have cats or dogs. Better Homes & Gardens writes “The Pura Smart Fragrance Diffuser is a pet-safe choice.”

6. Homeweeks Aromatherapy Essential Oil Diffuser

Homeweeks Aromatherapy Essential Oil Diffuser
Homeweeks Aromatherapy Essential Oil Diffuser

On a budget? The Spruce says this is the best bang for your buck. It’s powerful enough for a large room, yet small enough to sit on your desk. It’s also easy to use and very quiet.

This diffuser has a lot of features for the money, including automatic shutoff when the water runs out. Better Homes & Gardens loves that it also functions as a humidifier to help keep the air moist.

It’s so small you can pack this diffuser easily in a suitcase when you travel. Real Simple also loves that it’s easy to clean.

You may also be interested in:


Note: This article was not paid for nor sponsored. StudyFinds is not connected to nor partnered with any of the brands mentioned and receives no compensation for its recommendations. This article may contain affiliate links in which we receive a commission if you make a purchase.

About Amy Chodroff

Amy Chodroff is a recovering Morning Radio Show Host and award-winning broadcaster who recently retired from DFW’s Morning News on KLIF in Dallas. Fondly known as the “Chief Googler” by her friends, it was a seamless transition for StudyFinds to enlist her expertise for their “Best of the Best” franchise. Amy has an innate curiosity and a penchant for thorough research before any purchase and she’s constantly on the hunt for top-notch products. Outside of her digital explorations, Amy loves to explore the world with her husband and is the proud mother of two adult daughters. You can also find Amy on the pickleball court, perfecting her dink and drop shots.

Our Editorial Process

StudyFinds publishes digestible, agenda-free, transparent research summaries that are intended to inform the reader as well as stir civil, educated debate. We do not agree nor disagree with any of the studies we post, rather, we encourage our readers to debate the veracity of the findings themselves. All articles published on StudyFinds are vetted by our editors prior to publication and include links back to the source or corresponding journal article, if possible.

Our Editorial Team

Steve Fink


Chris Melore


Sophia Naughton

Associate Editor


  1. Kathi says:

    Don’t forget the Belgian malinois. One of the cleanest dogs around!

  2. Jacqueline says: