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If you’re in a hurry and just want to know what the best essential oil diffuser is, then we recommend COOSA Moon Essential Oil Diffuser as the best choice.

At a Glance: Our Picks for the Best Essential Oil Diffusers

Looking for the best essential oil diffusers? Want to disperse your essential oils quickly, easily and safely around a large volume of space? Not sure which diffusers are the best? Look no further.

In this comprehensive review of the best essential oil diffusers we give you the important properties to consider when buying any aromatherapy diffuser, then break down the top eleven models in different categories before crowning our BEST essential oil diffuser. Enjoy!

Essential oils have been known to have a variety of beneficial properties, including helping you to relax, improving your mood, and boosting your immune system. One increasingly popular method for taking advantage of essential oils is to use a diffuser to disperse them into the air.

Our Picks for Best Essential Oil Diffusers

Don’t have time to read the entire review? Then check out this table for a quick look at our favorite essential oil diffusers.

Types of Essential Oil Diffusers

There are a number of essential oil diffusers available, and they range from ones that you can carry in your pocket to fan-based ones that diffuse essential oils to a few square feet of space.

A variety of diffusers are described in the video “choosing essential oil diffusers”, (see it here) but the best and most effective diffusers are ones that use ultrasonic vibrations. These versions are simply safer and less mess than other (often heat-related) styles of diffusers.

There are several advantages to ultrasonic essential oil diffusers. To begin with, they allow you to absorb essential oils over the longest period of time, and they tend to use oils the most efficiently.

Ultrasonic units use 2.4 million vibrations per second to turn oil and water into a mist. Heat can break down the properties of essential oils, which makes them less effective, so ultrasonic vibrations are the best way to disperse oils.

The Benefits of Essential Oil Diffusers

Using an essential oil diffuser can also be a very safe way to make your home smell good. While children and pets can knock over or burn themselves on candles or incense, diffusers only use oil and water. The worst thing that may happen if someone bumps into a diffuser is that something will be spilled.

Although one of the most common uses of an essential oil diffuser is to provide fragrance for an area of your home, there is a wide range of other benefits to using an essential oil diffuser. Essential oils have a number of properties that could improve your health, put you in a better mood, and make it easier for you to sleep. For example, many people find that an essential oil diffuser with chamomile or lavender oils helps them sleep better.

If you struggle with respiratory issues, diffusers may also be helpful. Essential oils like tea tree oil have antimicrobial properties, and oils like peppermint and eucalyptus might be able to make it easier for you to breathe and clear out your airways. The antimicrobial properties of oils could enable you to avoid getting sick or help to speed up your recovery.

Diffusers can even be used to repel insects. Many flying and stinging insects dislike cedarwood and clove, and using a diffuser near a window may help keep pests away from your home.

What to Look for In an Essential Oil Diffuser

Essential oils can be expensive, so you want to be sure that you’re getting the maximum benefit from them. When shopping for an essential oil diffuser, you should look for units that have large enough water reservoirs to allow them to run for hours without being refilled.

Reservoir

A large reservoir will also allow the diffuser to create enough mist to provide fragrance for the area the diffuser is placed in. Additionally, it’s important that diffusers automatically shut off when they run out of water so they don’t waste electricity or burn out.

Mist

A good diffuser will allow you to determine just how much mist you want. Depending on where you’re keeping your diffuser, you may want more or less fragrance. There are a variety of diffusers that will enable you to change how often they release mist or how much mist they produce.

Timer

Another feature that you may want to look for is a timer that allows you to set how long your diffuser will run. You may not want your diffuser to run all night if you use it to help you sleep. Besides, running all the time may also result in the diffuser going through oils faster than you’d like.

Noise

Other factors you may want to take into account are how quiet a unit is and if it is easy to use and clean. If you’re using your diffuser to relax or help you concentrate, the last thing you want is an annoying noise distracting you. Additionally, if your diffuser is difficult to use, tends to leak, or needs to be cleaned more than once a week, you may end up using it less because you consider the process a hassle.

Night Light

Finally, a number of electric diffusers also have the ability to act as night lights. Many people find dim lights to be soothing, and if you have children, you may also find a lighted diffuser to be beneficial. Diffusers with lights should allow you to adjust the brightness of the lights or to turn them off entirely.

Best Essential Oil Diffusers for 2022

1. Best Overall Choice: COOSA Moon Essential Oil Diffuser

The COOSA Moon Essential Oil Diffuser is a great example of a product that delivers both style and function. This diffuser is your best overall option for diffusing fragrance, eliminating odor, improving air quality, and promoting relaxation at home.

The combination of glass and faux wood design makes it a stylish addition to the interior decor of your home, office, or yoga studio. This is a great gift item, especially for those who could benefit from better quality indoor air.

This diffuser has a 250 ml water capacity, giving it up to nine hours of working time. It has an automatic shut-off feature for when it runs out of water. It also comes with a timer setting, allowing for auto and one, three, or six hours of operation.

The diffuser has two light modes: warm yellow and cold white. You can use this as a combination diffuser and night light, simply as a night light, or as a room humidifier.

The product is BPA-free, and the manufacturer guarantees that each unit goes through stringent quality tests for safety and durability.

This diffuser measures 7.3″x7.3″x7.6″ and weighs 2.19 lbs. The purchase of this humidifier is backed by a 45-day, money-back guarantee and a six-month warranty.

PROS

  • Stylish design.
  • Large-capacity water tank.
  • Automatic shut-off feature.
  • Comes with four modes of timer setting.
  • BPA-free.
  • Money-back guarantee and warranty.

CONS

  • Only has two light modes available.
  • Requires constant cleaning.

2. Best High-End Oil Diffuser: AromaTech AroMini

Best Essential Oil Diffuser | Best High-End Oil Diffuser | Aroma Tech AroMini

AromaTech specializes in scent marketing: developing fragrances for commercial spaces that make people feel more comfortable and make experiences more memorable. Headquartered in Vancouver, British Columbia, AromaTech creates custom and unique brand fragrances, and innovative fragrance delivery systems. Their scents are made from the highest quality ingredients from around the world, working with the International Fragrance Association to make sure that their products are safe and sustainable, derived from renewable resources and never tested on animals. Their diffusers are designed for aesthetics as well as function and use cold-air diffusion technology to release a micro-mist that disperses efficiently and at the desired intensity. AromaTech is committed to responsibility, quality, and sustainability, and makes some of the very best high-end essential oil diffusers available.

The AromaTech AroMini is a sleek, streamlined design that looks elegant and stylish, and uses cold-air diffusion technology for energy-efficient, whisper-quiet operation. The fragrance nanoparticles are released into the air intact, without dilution or solvents, for incredibly consistent scents that linger in the air for hours, without settling on surfaces. This technology also allows you to precisely control the fragrance intensity and can fill a room from 100 to 1,000 square feet.

The AromaTech AroMini measures 12 x 2 inches. The AroMini is designed to diffuse AromaTech scents, requiring their specific bottle shape to fit inside the diffuser, but an empty bottle is included so you can use your own fragrances instead if you choose.

When used with AromaTech essential oil scents, a bottle lasts for 1-3 months depending on your intensity levels. You can also add an optional Bluetooth module that allows you to use your smartphone to control the timing and intensity of the AroMini fragrances, which costs an additional $30.

PROS

  • Sleek and stylish diffuser
  • Advanced technology to precisely deliver consistent, long-lasting fragrances
  • Can fill a room up to 1000 feet
  • Precise and customizable fragrance intensity
  • Energy efficient
  • Whisper quiet
  • Comes with an empty bottle
  • Optional Bluetooth module

CONS

  • Expensive, particularly if you choose to invest in AromaTech essential oils (which are incredible) on an ongoing basis

3. Best Value for the Money: URPOWER Aromatherapy Essential Oil Diffuser Humidifier (500ml)

The URPOWER Aromatherapy Essential Oil Diffuser Humidifier is an all-in-one unit that diffuses essential oils and works as a humidifier, ionizer, and night light. It can provide up to 10 hours of continuous mist, which covers up to 430 square feet of space.

If you are looking for a diffuser that is able to improve the air quality in your home in a variety of ways and can also provide extensive coverage, this could be a great option. Along with offering you the benefits of moisturized air and essential oils, this unit may also be able to remove particles like dust and allergens from the air because it releases negative ions, which attract and eliminate debris from the air.

The diffuser features a timer that allows you to set the unit to run for one, two, or three hours, as well as continuously. Additionally, you can set the mist to a fine or strong spray. This diffuser only needs to be cleaned once a week, and automatically shuts off when it runs out of water.

PROS

  • A large water capacity of 500 milliliters allows you to run the unit for 10 hours, and the larger reservoir allows it to quickly fill up large spaces with scent.
  • Multiple light settings allow you to use the unit as a night light or to create a soothing dim illumination.
  • This diffuser operates quietly, which lets you run it while you sleep.
    Its lid lifts off easily, so it is easy to refill the unit without spilling water or oils.
  • The unit can be used just as a humidifier.

CONS

  • Some people find it annoying that the unit beeps every time you press a button.
  • There is a beeping noise when the unit turns off, which can be frustrating if you’re using it while you sleep.
  • The buttons are located at the bottom of the unit, and it can be hard to see them depending on where you place the diffuser.
  • If you are not using water-soluble essential oils, the scent may only last for the first hour or two.

4. Most Budget-Friendly: InnoGear Aromatherapy Essential Oil Diffuser

If you’re looking for a portable diffuser that you can use in smaller areas, the InnoGear 100 milliliter Aromatherapy Essential Oil Diffuser could be an excellent choice. The diffuser is incredibly quiet, and it’s small enough to fit just about anywhere.

Along with providing the benefits of essential oils, this diffuser also functions as a night light. You can choose from one of seven colors or allow the unit to cycle through them like a rainbow. If you have children, this may help them sleep at night by improving their breathing and providing some dim illumination. The diffuser may also be a good option if you need additional moisture while you sleep since it also works as a humidifier.

The InnoGear essential oil diffusers can provide about three hours of mist in continuous mode and about six hours when it is set up to mist on for 30 seconds and then mist off for another 30 seconds. It holds about 100 milliliters of water, and all you need to do to use it is to fill it with water and put in a few drops of essential oils. Buttons on the front allow you to adjust the settings for lights and mist.

The unit is small, and it is quite portable. This might make it a good choice for an office, a small room, or the nightstand by your bed.

PROS

  • On the intermittent setting, you can get six or more hours of use.
  • You can change the color and brightness of the lights, and it makes an excellent night light.
  • The diffuser only produces 35 dB of noise, which is just louder than the ticking of a clock.
  • It automatically shuts off when the water basin is empty, so you can run the diffuser while you sleep without worrying about it burning out.
  • The diffuser is small and portable enough that you can take it with you.

CONS

  • It appears that many of these diffusers are lemons and will break within a few uses, but InnoGear will replace a faulty unit for no charge.
  • The lid can be very difficult to get off, and if you don’t put it on correctly, it can get stuck.
  • Some people find the light to be too bright to use in a bedroom even on the dimmer setting.
  • The plug is on the bottom of the unit, so it can be difficult to plug the diffuser into the power adapter without spilling water.

5. Best Nebulizing Diffuser for a Strong Smell: Raindrop Nebulizing Diffuser

Essential Oil Diffusers | Best Nebulizing Diffuser for a Strong Smell | Raindrop Nebulizing Diffuser

The team at Organic Aromas have worked with technologists, designers, and artisans to make diffusers that don’t waste, dilute, or contaminate oils, so that their customers can experience the most pure aromas and powerful health benefits of essential oils. They are proud of their customer service and satisfaction and have an A+ BBB rating. The Raindrop diffuser silently and powerfully nebulizes pure essential oils and can fill a room with scent at your preferred intensity.

The Raindrop Nebulizing Diffuser uses the Bernoulis Principle to silently nebulize essential oils, with excellent atomizing performance that allows you to get the most fragrance from every drop of oil.

It has a distinctive custom-blown glass diffuser and a hand-made wood base that look beautiful in any setting, and a gentle LED mood lighting with a touch sensitive switch so you can turn the lights on and off with just a touch. The two-minutes on, one-minute off cycle repeats for 2 hours and then shuts off automatically, and it can fill a room up to 800 square feet. It has intensity controls so you can adjust how much scent you want it to produce.

The Raindrop Nebulizing Diffuser measures 9 inches x 4 inches and comes in your choice of light wood or black wood base.

PROS

  • Beautiful organic design with hand-made wood base and custom-blown glass
  • Efficient atomizing without degrading or compromising scent quality
  • Silent, energy efficient operation
  • Optional LED colored mood lighting with touch sensor switch
  • Can fill a room up to 800 square feet
  • Adjustable intensity
  • Produces a lot of scent from a small quantity of oil

CONS

  • May leave a film of oil on surfaces
  • May have inconsistent quality and performance

6. Best Small, Stylish Diffuser: Vitruvi Stone Diffuser

Essential Oil Diffusers | Best Small, Stylish Diffuser | Vitruvi Stone Diffuser

The appealing little Vitruvi Stone Diffuser is available in five soothing colors, with a beautiful matte stone finish that has great style for any room of the house. Vitruvi considers every detail in their products, from the ease of operation to the quality of the packaging, on a mission to make home scenting beautiful, safe, and effortless.

Vitruvi proudly supports One Girl Can, a charity that supports women and girls in Kenya and Uganda. The quality of Vitruvi and the minimalist, elegant design and clean, simple operation make this a lovely small diffuser.

The Vitruvi Stone Diffuser has a BPA-free water reservoir, and a porcelain cover. It has two settings: it will run constantly for 3 hours, or intermittently for 7.5 hours. It can scent a room up to 538 square feet and has an automatic shut off when the reservoir is empty. It also has an optional independent glowing nightlight feature.

The Vitruvi Stone Diffuser measures 18 cm x 8.7 cm, and is available in terracotta, white, black, grey, or pink matte colors. It is backed by a 1-year warranty.

PROS

  • Small, minimalist design
  • Available in a choice of calming colors
  • Quiet operation
  • Scents a 538 square foot room
  • Automatic shutoff when reservoir is empty
  • Optional glowing nightlight
  • Two diffusion settings
  • 1-year warranty

CONS

  • Porcelain surface can scratch, mar, or break easily

7. Best Shower Diffuser for a Spa-Like Experience: BodyRestore Relief Shower Steamers

BodyRestore Shower Steamers is the product of choice for a spa-like experience in the shower. Made with natural essential oils imported from the UK, this next-level product for self-care is an alternative to bath bombs and promotes deep relaxation and rejuvenation without the need for a shower diffuser.

Each resealable pack contains 15 individually wrapped shower tablets. There are different scents to choose from. The eucalyptus variant is ideal for relieving nasal congestion caused by sinusitis or the common cold.

This product is cruelty-free, vegan, and paraben-free. The shower streamers have a shelf life of six months.

To activate the shower tablet, place it on the shower stall floor where a light stream of water can get at it. Hot water works best to release the fragrance and other wonderful benefits of the shower steamer.

The scent lasts for a long time and is buildable. To make the aroma more intense, you can use two shower tablets. One shower tablet takes over 10 minutes to dissolve under a light stream of water. Unlike bath bombs, these shower steamers don’t leave a mess in the shower.

PROS

  • Convenient and easy to use.
  • Provides the benefits of aromatherapy without any diffusers.
  • Vegan.
  • Paraben-free.
  • Long shelf life.

CONS

8. Best Car Vent Diffuser: ttstar Car Diffuser Vent Clip

With the ttstar Car Diffuser Vent Clip, it’s easy to keep your car interior smelling fresh. Attach the diffuser clip to your car’s vent and enjoy fragrance while on the go.

The vent clip comes in a set of three metal clips, plus 36 reusable refill pads. Just replace the old pad and you’re good to go. It is also a good value for money, considering that you don’t need to buy a new diffuser each time you want to change the fragrance of your car freshener.

The clip itself is made from 316L stainless steel, which prevents corrosion. The product has a lotus flower design on the surface, giving the set a subtle elegance. They are versatile and can be used in places other than your car’s interior.

When you use good-quality essential oils with these clips, they’re guaranteed to keep your car fragrant and fresh for a long time.

PROS

  • Very easy to use.
  • Elegant design.
  • Reusable felts.
  • Great value for money.

CON

  • Tends to use up oil quickly when vent is blowing heated air.

9. Best Diffuser Bundle Deal: URPOWER Essential Oil Diffusers (2 Diffusers with 120ml Capacity)

Designed for small to medium-sized rooms, the URPOWER Essential Oil Diffuser holds 120 milliliters of water and can be used as a night light, humidifier, and diffuser. The system is easy to use and only needs to be cleaned once a week.

To use the diffuser, you simply need to fill the reservoir with water up to the fill line and put in a few drops of your favorite essential oil. Buttons on the front of the unit allow you to adjust the light settings and to choose your mist setting.

Since the unit lights up, you may find that it works as an excellent night light for you or your children. A combination of soothing lights, essential oils, and humidified air could help you fall asleep faster and wake up more refreshed.

This URPOWER diffuser will turn off automatically when it runs out of water. It can provide around three hours of steady mist or about six hours of mist when it turns on and off every 30 seconds.

If you’re looking for an affordable and simple-to-use diffuser, this might be a good choice. It is easy to clean and can be used just about anywhere you need to fragrance or moisturize the air.

PROS

  • The URPOWER diffuser is both a humidifier and a diffuser, so you are able to benefit from moisturized air as well as essential oils.
  • This unit fills an area up to 215 square feet with mist.
  • You have the ability to set the diffuser to have the lights on or off, and there are two levels of brightness if you choose to have them on.
  • It is very quiet, so it won’t keep you awake if you run it while you sleep.
  • You can choose between two mist settings, which allows you to determine how much fragrance you want in the air.
  • The lights will work even if the unit is not producing mist, so you can just use it as a night light.
  • You can turn off the lights and just use the unit as a diffuser.

CONS

  • Some units seem to die fairly quickly, and others appear to produce a very low mist output.
  • The lid for the unit can easily become stuck, and it can be nearly impossible to get off again if this happens.
  • It is easy to spill water once the reservoir is filled, and this is especially true when you are trying to plug the diffuser into the power adapter.

10. Best for Medium-Sized Rooms: InnoGear Diffuser for Essential Oils (300ml)

This diffuser is capable of producing rapid humidification with zero noise. It operates through ultrasonic frequency to deliver a fine fragrant mist. With its 300 ml capacity and upgraded mist feature, it is one of the most powerful diffusers for rapidly distributing fragrance and eliminating dry air in any room, even while working on its lowest setting.

The diffuser is capable of running for up to 10 hours, with a safety feature that automatically shuts it off when it runs out of water. You can also set the diffuser to turn off after one, two, or three hours of continuous use.

As with other self-illuminated diffusers, this unit can function as a nightlight, with a color-changing mode, dimmer, and fixed-light mode.

However, unlike most diffusers that have their input plugs located under the base, the InnoGear has its plug located on the side, providing easier and safer access. Its base is available in light or dark wood finish.

Users appreciate this top-fill diffuser, which minimizes spill incidents when filling with water.

PROS

  • Quickly diffuses fragrance, even in low setting.
  • Automatically shuts off when water runs out.
  • Dimmer is a good option for those sensitive to light.
  • Input power cord can easily be plugged/unplugged through its side.

CONS

  • May run out of water more quickly than stated.

11. Best for Large-Capacity Diffuser: Botanical Essential Oil Diffuser

Essential Oil Diffusers | Best for Large-Capacity Diffuser | Botanical Essential Oil Diffuser

The Botanical Essential Oil Diffuser has a large, 250ml water reservoir that enables it to run for up to 24 hours on the intermittent setting, so you can enjoy your favorite scents all day and all night. It has a beautiful botanical scroll pattern on the ceramic cover, and optional LED colored lights to enhance your ambience. It’s a great choice for a large capacity diffuser that will provide hours of fragrance.

The Botanical Essential Oil Diffuser has a large 250ml BPA-free reservoir but comes with a measuring cup that makes refilling easy, since you don’t have to take the diffuser to the sink. In intermittent mode, it can diffuse scents for up to 24 hours, and in continuous mode it diffuses for up to 10 hours. The diffuser automatically shuts off when the tank is empty.

Ultrasonic diffusion is incredibly quiet, and this unit can double as a night light. It has 8 LED colored lights, and you can gently cycle through the colors, choose your favorite, or turn the light off altogether while it continues to diffuse scent.

The Botanical Essential Oil Diffuser measures 9.9 x 6.4 inches.

PROS

  • Beautiful botanical design
  • Large 250ml tank capacity
  • Runs for up to 24 hours
  • Automatically shuts off
  • Colorful LED night light feature
  • Quiet operation

CONS

Conclusion

If you’re interested in the best essential oil diffusers, your goal is probably to improve your health and sleep. On this basis, the COOSA Moon Essential Oil Diffuser is the top choice. This unit is able to offer great coverage for large spaces, and it features a variety of options that allow you to control how long it runs and how much mist it puts out.

One of the biggest selling points is that it can produce mist for an area more than double any other diffuser we looked at. You could produce enough mist to fill the space in an apartment or a small home with just two or three of these units.

Further, the humidifier and ionizer may help to boost the air quality in your home. This unit may make it easier for you to breathe and sleep at night, and if you struggle with respiratory issues, this could be especially beneficial.

While there are a few issues with the unit, there’s nothing that keeps it from doing its job well, and many of the drawbacks are based on people’s personal preferences.

It features everything you’d want in a diffuser, including a large water reservoir, the ability to select how long you want it to run, and the ability to choose the level of mist you want.

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Here are the best essential oil diffusers to spread the scents and health benefits around a room.

11 Best Rated Essential Oil Diffusers (2022 Review)

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