8 Best Essential Oil Diffusers to Buy in 2021

With a top-quality essential oil diffuser like the Ultimate Aromatherapy Diffuser with an essential oil set, you can add a pleasant, relaxing, and beneficial scent and freshness to the air in your home.

Essential oils are safe and have multiple health and other benefits, which is why aromatherapy has become one of the top preferred ways to treat mental and physical health problems, relieve stress, and for improving health.

With an efficient essential oil diffuser, you can take advantage of all of these benefits in the comfort of your home whenever you feel like it. You can pick among the tens and hundreds of the different essential oils available on the market and choose the perfect one to set the mood in your home or office.

Essential oil diffusers also help fight off unpleasant odors and have antibacterial, antiviral, and antimicrobial functions.

Many of them function as lights, nightlights, and dehumidifiers so you will have a versatile and affordable device at home if you choose to buy one.

Best Essential Oil Diffuser

We have picked the greatest essential oil diffusers for 2021 for you, so read on to find out more about these beneficial, healthy and pleasant scenting devices.

Best overall

URPOWER 2nd Version Essential Oil Diffuser and Cool Mist Humidifier

This ultrasonic essential oil diffuser is an elegant and easy to use device which will add a Japanese style charm to your home, as well as fill the air with relaxing and beneficial essential oil aroma and will add refreshing moisture.

The diffuser can keep the air in the room smelling better and humidified for six hours of continuous use.

It is perfect for bedrooms, offices, hotel rooms and for any other room or area you decide to use it in.

If the air in your home becomes very dry when the heating is on, you will start feeling skin itching and discomfort and can suffer from dry and cracked lips. Thanks to this reasonably priced 2-in-1 essential oil diffuser you will eliminate the dryness, and make the air more comfortable to breathe and live in, and will also get all of the health, physical and mental benefits of breathing in the essential oils of your choice.

It works completely silently, so you can leave it on when you go to sleep. Many essential oil aromas like lavender actually help promote healthier and deeper sleep.

It works with normal tap water and all you need to do is add a few drops of the essential oil to it and get it started.

The device can also be used as a nightlight or to add a special mood via the seven color-changing light options.

You can program the timer of the Urpower oil diffuser to turn itself on and of periodically, and you don’t need to worry about it running out of water because it has an auto shut off function which will switch the unit off if the water level gets too low.

The water capacity of this premium quality essential oil diffuser is 100ml, and it is made of hard PP plastic which is completely safe for people of all ages.

You can set the mist settings to continuous or intermittent.

It is 3.1 x 3.1 x 5.5 inches in size and weighs 10.9-oz and comes with a charger adaptor and a user’s manual.

With a nifty device like this, you can eliminate any unpleasant odors from your home, and make it much more comfortable and relaxing to live in.

The runner-up

Ultimate Aromatherapy Diffuser & 10 Essential Oil Set

This beautiful aromatherapy essential oil diffuser has a capacity of 300 ml and uses wave diffusion to atomize the essential oils and spread them through the air of the room.

It is made of BPA free save and sturdy plastic with a great looking wood grain design for an authentic look and feel.

The diffuser has seven different ambient light modes you can choose from as well as two different intensity settings for the 14 various light combinations.

The top-quality essential oil diffuser also has a useful timer with four settings, so you can set it to switch on and off at certain hours of the day and night automatically.

It has an auto shut off feature which will stop the diffusor if a low water level is detected.

The diffuser is suitable for rooms and areas of 10-13 square meters. It also works as a humidifier and will help moisten the air in areas for easier breathing, and for better skin health.

Best of all, the excellent essential oil diffuser comes with a set of all-natural, 100% pure essential oils in 10 ml jars. The ten essential oils which you will receive in the package are among the most commonly used ones for aromatherapy as well as for relaxation – clove, eucalyptus, jasmine, lavender, lemongrass, nutmeg, orange, peppermint, spearmint, and tea tree.

Clove oil has stress-relieving and immune-boosting functions. Eucalyptus oil will help reduce fatigue and is an excellent air freshener. Jasmine has an uplifting effect on the mood and spirit and is a powerful aphrodisiac.

Lavender oil helps reduce stress and promotes a good night’s sleep. Lemongrass oil acts as an antidepressant, pain relief, and mood-boosting properties. Nutmeg oil helps relieve pain and menstrual cramps.

Orange oil helps relieve depression, muscle pain and improve the overall physical and mental health. Peppermint oil helps boost cognitive function, helps relieve stress, and promotes better digestion. Spearmint oil will help reduce and relieve muscle spasms, cramps and promotes calmness and relaxation. And tea tree oil has antibacterial and antifungal properties.

All of the essential oils in the set are in amber jars, and have been extracted naturally through cold pressing or steam distillation, and have zero fillers and additives.

The essential oil diffuser is sold with a 1-year warranty and comes with useful US-based customer support for any questions or issues you may have.

Top budget-friendly option

URPOWER Ultrasonic Essential Oil Diffuser 150ml

The affordable Urpower essential oil diffuser has a 150 ml capacity for the water and works in rooms which are up to 215 square feet.

It has an adjustable LED light option with 7 different colors to choose from for setting the mood in the room, including blue, pink, red, purple, yellow, orange, green, or a combination of several or all of them.

The elegant and inexpensive essential oil diffuser is made of sturdy and safe plastic, coated with a beautiful wood grain pattern for a more traditional and stylish look.

It is available in brown yellow and black and grey color options and will be a beautiful accent in any room.

You can set up the oil diffuser to work for 6 hours continuously, or for 3 to 4 hours intermittently with 30 seconds on and 30 seconds off.

The misting options can be set to green for intermittent misting, and red for continuous mist, so your air will not only smell fresher and better but will be moister and much more comfortable on the skin and on your respiratory system.

The size of the reasonably priced essential oil diffuser is 4.1 x 4.1 x 6.1 inches, and it weighs 7.5-oz.

The device is sold with a 90 day 100% money back guarantee, and a 1-year warranty.

It is a very affordable and compact appliance to have in any home which makes it a perfect gift for any occasion. Just pick the essential oils of your choice, add some water and a few drops of the natural oils, and you can start enjoying the multiple benefits of having a device for aromatherapy in your own home.

The rest of the best

InnoGear Upgraded Aromatherapy Essential Oil Diffuser

The InnoGear is another excellent quality, easy to use and affordable aromatherapy essential oil diffuser suitable for any room, office or other space.

Key features:

  • It helps remove unpleasant odors from cigarette smoke, pets, and others
  • It provides whisper-quiet operation so you can leave it on while you are sleeping
  • It also helps humidify the air, which is especially helpful in dry climates or in the winter when the heating is on
  • The diffuser has a water capacity of 100 ml and a capacity of covering an area of up to 100-150 square feet
  • There are 7 different lighting options to choose from so you can entertain your guests, kids, or set a special mood in the room
  • The available light colors are green, red, yellow, pink, light blue, dark blue, and white
  • You can set it at a bright or dimmed lighting mode
  • It can be used as a nightlight for young and old and can be used as a light only
  • The device offers continuous or intermittent misting and humidifying of the air
  • It can work for 6 hours in continuous misting mode, and 3-4 hours in recurrent mode which switches it on and off every 30 seconds
  • The unit has a safety auto shut off function for when the water level is low
  • No heat is used which makes it safe for kids, pets, and everyone
  • It is available in dark, yellow or white color
  • It costs less than $15

URPOWER OD-501 500ml Aromatherapy Essential Oil Diffuser

If you want an essential oil diffuser with a large capacity which can run for longer hours without the need for refilling, you should check out the Urpower 500 ml diffuser.

Key features:

  • A 500 ml water tank which allows for the diffuser to be used continuously for up to 10 hours
  • Suitable for rooms and areas of up to 430 square feet as an aromatherapy diffuser, and up to 269 square feet as a humidifier
  • 3-in-1 unit – it works as an aromatherapy diffuser, a nightlight and a humidifier for the air
  • Uses ultrasonic diffusing to spread the essential oil into the air without the use of heat which can destroy the beneficial properties of the oils
  • A shut off function which switches the unit off as soon as the water ends
  • It will help soothe your dry skin and cracked lips by adding moisture to the dry air
  • Whisper-quiet operation suitable for use in bedrooms
  • A timer to set up the misting cycles to 60, 120 and 180 minutes
  • A LED light which can be set in bright or dimmed mode, and in 7 different colors
  • It is sold with a measuring cup, a charger adapter and a user’s manual
  • The size of the diffuser is 4.8 x 6.6 x 6.6 inches, and it weighs 1.2 lbs.
  • Sold with a 45-day money back guarantee and a 1-year warranty

Aromatherapy Diffuser – Professional Grade Wood and Glass

This high-end professional grade essential oil diffuser is not only gorgeous looking but also works perfectly for diffusing beneficial essential oils in the room by preserving all their natural and beneficial qualities.

Key features:

  • A gorgeous wood and glass design which is available in over 15 different shapes and variants
  • Made of natural pine wood and beautiful hand blown glass
  • A high quality, long-lasting, pro range aromatherapy essential oil diffuser
  • It uses heat-free cold vapor without the use of water or heat and preserving all of the natural qualities of the essential oils
  • The intensity of the aroma can be adjusted to fill a small room or an area of up to 30 square feet
  • An integrated 10 on and 10 off timer and an auto shut off after 4 hours of use
  • The unit is very easy to maintain
  • The size of the premium essential oil diffuser is 4 x 4 x 8 inches, and it weighs 1.1 lbs.

SpaRoom AromaHarmony Ultrasonic Essential Oil Diffusing Mister

With this superb essential oil diffuser by SpaRoom, you will feel like you are in an actual Spa every time you power it on.

Key features:

  • It combines misting, aroma, sound, lighting, and color for setting the perfect mood every time
  • It is Bluetooth compatible
  • You can use it to create a beautiful ambient atmosphere which is produced by rotating colors
  • It can work as a diffuser without the light on
  • The water capacity of the device is 115 ml
  • It will shut off automatically when the water level is low, so you can fall asleep safely with it in the bedroom
  • It is suitable for rooms and areas of up to 200 square feet
  • It can work continuously for 3 hours and intermittently with 15-second intervals for up to 6 hours
  • UL certified
  • A size of 6.5 x 6.5 x 5.6 inches, and a weight of 12.8-oz

DIFFUSER WORLD Aroma-Ace Essential Oil Atomizing Diffuser

This state-of-the-art essential oil diffuser uses a patented atomizer for the finest aromatherapy delivery and results.

Key features:

  • Uses a technology which preserves all of the therapeutic and health benefits of the essential oils
  • Uses cold diffusion which turns the natural essence into a micro-fine airborne vapor without the use of water or heat
  • The emitted micro particles remain intact in the air for hours and help fight and prevent viruses, molds, bacteria, pests, and odors in the air
  • Perfect for aromatherapy, for relaxation and for air purification
  • Easy to set and use timing controls
  • It comes in black, green, blue, lavender, bronze and gray options
  • Excellent for people with allergies, respiratory problems and for improved breathing
  • Sold with a 5-year warranty

Benefits of using an essential oil diffuser

Essential oil diffusers have become increasingly popular in the latest years as people are looking for ways to improve their physical and mental health and wellbeing naturally.

There are multiple advantages of using an essential oil diffuser in your home or office which include:

  • They help cleanse the air, and many of them work as humidifiers as well
  • Aromatherapy promotes good and uninterrupted sleep – especially sandalwood, lavender,and bergamot essential oil
  • They can make breathing easier and can help deal with respiratory inflammations, colds and coughs – namely lemongrass, eucalyptus, tea tree, lavender, and palo santo essential oil
  • They eliminate the unpleasant odors from the air, especially when you use orange, lemongrass, grapefruit or similar essential oils
  • They help improve the mood and fight off depression particularly natural oils like lavender, chamomile, neroli, and frankincense
  • They can help repel insects especially lavender, peppermint, cedar wood, and cinnamon or geranium essential oils
  • They can boost the immune system especially oils from lemon, peppermint, tea tree, camphor or clove
  • They can help suppress appetite and promote weight loss – namely essential oils like lavender, orange, grapefruit, ylang-ylang, or patchouli
  • They help promote a healthier environment at home by fighting off viruses and bacteria – the most recommended oils for this are tea tree, oregano, cinnamon and lemon
  • They help boost the cognitive function and the memory – especially spearmint, rosemary, basil, tangerine, and lemongrass
  • They can help alleviate pain and relax muscles
  • They can help you save money for medicine and doctors, and reduce the number of sick days

How to choose an essential oil diffuser

Here are the main features to look for when choosing the perfect essential oil diffuser for your needs:

  • The capacity – it can vary from 100 ml up to 500 ml, and some don’t even use water so you will never run out
  • The timers and the run time – this one depends on the water tank capacity, as well as on the built-in timers and shut off functions
  • An auto shut off function – this is important to protect the device from overheating or getting damaged if the water happens to run out
  • The area coverage – naturally, you should look for a diffuser which can cover the room or area you need it to cover
  • Other features – many of the essential oil diffusers on our list have additional features such as lighting, air misting and humidifying, different types of misting settings, Bluetooth and other options


Last update on 2021-06-18 at 03:33 / Affiliate links / Images from Amazon Product Advertising API

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