• Top 10 Best Oil Diffusers in 2021 1
  • Top 10 Best Oil Diffusers in 2021 2
  • Top 10 Best Oil Diffusers in 2021 3
  • Top 10 Best Oil Diffusers in 2021 4
  • Top 10 Best Oil Diffusers in 2021 5

Top 10 Best Oil Diffusers in 2021

Because many essential oils are not consumable, it's much safer to have them diffused through an oil diffuser. These devices disseminate essential oils into your surroundings, facilitating easy inhalation of the oil's essence to influence your emotions, cognitive function, and immune system.


We would like you to have a look at our list of best oil diffusers that you can find online, along with a guide that can assist you in making the right choice. 

  • Last updated: 01-13-2021
  • 674 views
Table of Contents

What are Oil Diffusers for?

What are Oil Diffusers for?

Essential oil diffusers work by releasing a mist of essential oils into the air surrounding you. When you inhale the released mist, the oil particles are absorbed into the body. 


This can improve your cognitive function, reduce stress levels, and help you to relax. They're often used to accompany yoga or meditation, but you can reap the benefits of aromatherapy anywhere you want by using a diffuser.


Besides, regular inhalation of certain essential oils can boost your immune system; the pleasant fragrance that is dispersed into the air through the diffuser purifies the air by killing the bacteria and germs that can cause illnesses. Regular diffusing of oils like rosemary and lemongrass can keep insects such as mosquitoes, houseflies, moths, etc. at bay.

Top 10 Best Oil Diffusers

We have carefully assessed the needs of owning an oil diffuser and scoured through the top-rated products on sites like Amazon, Walmart, and more. Here are our findings.

1

URPOWERUltrasonic Essential Oil Diffuser

$22.99

Diffuser typeUltrasonic
MaterialPP hard plastic
Tank capacity100 ml
Auto shut-off?Yes
Mist control?Yes (high/low setting)
Programmable timer?Yes
2

Pure Daily CareUltimate Aromatherapy Diffuser & Essential Oil Set

$38.95

Diffuser typeUltrasonic
Material BPA-free plastic
Tank capacity 300 ml
Auto shut-off? Yes
Mist control? Yes (high/low setting)
Programmable timer?Yes
3

Sierra Modern HomeSmart Wifi Essential Oil Diffuser

$81.99

Diffuser type Ultrasonic
Material Not specified
Tank capacity 400 ml
Auto shut-off? Yes
Mist control? Yes (intermittent and continuous Setting)
Programmable timer?Yes
4

AromisNebulizing Essential Oil Diffuser

$89.99

Diffuser typeNebulizer
MaterialNatural glass bottle and wood base
Tank capacityN/A
Auto shut-off?Yes
Mist control?Yes
Programmable timer?Yes
5

InnoGearReal Bamboo Essential Oil Diffuser

$23.99

Diffuser typeUltrasonic
Material Real Bamboo
Tank capacity 160 ml
Auto shut-off? Yes
Mist control?Yes (continuous and intermittent settings)
Programmable timer?Yes
6

AromaAllureWaterless Portable Mini Oil Diffuser

$21.99

Diffuser type Evaporative (fan-based)
Material ABS/Wood
Tank capacity N/A
Auto shut-off?No
Mist control?No
Programmable timer?No
7

Organic AromasNebulizing Diffuser for Aromatherapy

$99.00

Diffuser type Nebulizer
Material Glass diffuser
Tank capacityN/A
Auto shut-off?Yes
Mist control? No
Programmable timer?No
8

Old FactoryLemongrass Reed Oil Diffuser

$24.23

Diffuser typeEvaporative (reed diffuser)
Material Glass diffuser
Tank capacity 100 ml
Auto shut-off? No
Mist control?No
Programmable timer?No
9

SingeekCeramic and Wood Aroma Diffuser

$13.99

Diffuser type Heat
Material Ceramic and wood
Tank capacity 100 ml
Auto shut-off? No
Mist control? No
Programmable timer?No
10

Gifts & DecorEarth-Tone Dollop Oil Warmer

$9.94

Diffuser type Heat
Material Porcelain bowl and metal frame
Tank capacity 100 ml
Auto shut-off? No
Mist control? No
Programmable timer?No

Compare the Best Oil Diffusers

Image
1
URPOWER Ultrasonic Essential Oil Diffuser 1

URPOWER

2
Pure Daily Care Ultimate Aromatherapy Diffuser & Essential Oil Set  1

Pure Daily Care

3
Sierra Modern Home Smart Wifi Essential Oil Diffuser 1

Sierra Modern Home

4
Aromis Nebulizing Essential Oil Diffuser  1

Aromis

5
InnoGear Real Bamboo Essential Oil Diffuser 1

InnoGear

6
 AromaAllure Waterless Portable Mini Oil Diffuser 1

AromaAllure

7
Organic Aromas Nebulizing Diffuser for Aromatherapy 1

Organic Aromas

8
Old Factory Lemongrass Reed Oil Diffuser 1

Old Factory

9
Singeek Ceramic and Wood Aroma Diffuser 1

Singeek

10
Gifts & Decor Earth-Tone Dollop Oil Warmer 1

Gifts & Decor

Name

Ultrasonic Essential Oil Diffuser

Ultimate Aromatherapy Diffuser & Essential Oil Set

Smart Wifi Essential Oil Diffuser

Nebulizing Essential Oil Diffuser

Real Bamboo Essential Oil Diffuser

Waterless Portable Mini Oil Diffuser

Nebulizing Diffuser for Aromatherapy

Lemongrass Reed Oil Diffuser

Ceramic and Wood Aroma Diffuser

Earth-Tone Dollop Oil Warmer

Features

Small Yet Powerful Diffuser That Tops Amazon's Bestseller List

The Ultimate Wellness Bundle for Aromatherapy

Intelligent Aromatherapy through Alexa and Google Home

A Plastic-free Nebulizing Diffuser Experience

A Visually Appealing Bamboo Diffuser

Water-free Diffuser for Aromatherapy on the Go

Nebulizing Diffuser with Touch Sensor Light

Clog-Resistant Reed Sticks for Ultimate Fragrance and Aesthetic

A Heat Diffuser with a Relaxing Aesthetic and Scent

An Aesthetically Pleasing Heat Diffuser with a Mild Scent

Price$22.99$38.95$81.99$89.99$23.99$21.99$99.00$24.23$13.99$9.94
Diffuser typeUltrasonic Ultrasonic UltrasonicNebulizerUltrasonic Evaporative (fan-based)NebulizerEvaporative (reed diffuser)HeatHeat
Material PP hard plasticBPA-free plastic Not specifiedNatural glass bottle and wood baseReal BambooABS/WoodGlass diffuserGlass diffuserCeramic and woodPorcelain bowl and metal frame
Tank capacity 100 ml300 ml400 mlN/A160 mlN/AN/A100 ml100 ml100 ml
Auto shut-off? YesYesYesYesYesNoYesNoNoNo
Mist control? Yes (high/low setting)Yes (high/low setting)Yes (intermittent and continuous Setting)YesYes (continuous and intermittent settings)NoNoNoNoNo
Programmable timer?YesYesYesYesYesNoNoNoNoNo
Link

How to Choose the Best Oil Diffuser - Buying Guide

The use of infused oils that constitute plant extracts goes back to the prehistoric era, perhaps more than 4000 years; the exploration of Egyptian tombs also reveals faint scents of essential oils that date back to thousands of years!


They may look a bit different now and come in a ton of different shapes and types, so that's why we put together a guide to help you pick your perfect diffuser.

Choose a Type of Diffuser Depending on Your Needs

With a range of oil diffusers to choose from, understanding the difference between each and what each can do differently than the rest can help you decide which diffuser suits you. 

Ultrasonic Diffusers Create a Mist for Quiet and Relaxing Operation

Ultrasonic Diffusers Create a Mist for Quiet and Relaxing Operation

Ultrasonic diffusers use ultrasonic vibration to diffuse essential oils into the surroundings as negative ions. The vibration the oil is subject to breaks it down into minute particles, thereby dispersing these particles as a very fine mist of healing essential oils


They work quietly and are great for meditating, relaxing, working, and sleeping. With no heat involved in the process, they are great at diffusing oils at their full potential. Some also have various lighting options, so they can also function as mood lighting.

If You Prefer a Stronger Scent, Go for a Nebulizing Diffuser

Nebulizer diffusers require no heat or water to disperse the oils into the surroundings. These devices are equipped with a motor or an air pump and a reservoir. The air pump work to sends a stream of compressed air through a tube that is placed in the glass reservoir that holds the essential oil. 


Microtubes attached to this tubing take up the oil and dispense it through a pressurized flow of air that comes out as mist through the glass tube. With no water added involved in the process, these types of diffusers are the most preferred for aromatherapy, since they tend to give off stronger scents.

Evaporative Diffusers Don't Need Heat but Can Make Noise

Evaporative Diffusers Don't Need Heat but Can Make Noise

Many electronic evaporative diffusers use a fan disperse a mist of air into the surroundings. An absorbent material such as a pad or a wick or a filter is used to hold the oil. The wind generated by the fan facilitates the evaporation of oil in a controlled way.


However, the therapeutic effect of this type of diffuser is comparatively less; lighter oils like citrus oils diffuse faster than heavier oils. It can be a bit noisy as the fan runs as long as the diffuser is on.

Evaporative Diffusers Don't Need Heat but Can Make Noise

Another type of evaporative diffuser is a reed diffuser that uses channeled sticks placed in an oil diffuser bottle. The oil travels up the stick and is released through the channels and to the room; like electric diffusers, lighter oils diffuse faster than heavier ones. If you want a quiet diffuser, you can't get any quieter than this!

Heat Diffusers are Quiet but Will Not Give You the Full Benefits of Essential Oils

Heat Diffusers are Quiet but Will Not Give You the Full Benefits of Essential Oils

Heat diffusers operate in a way similar to evaporative diffusers. However, instead of the fan, the heat diffusers use heat (often from a candle) to evaporate the oil. You only need a few drops of oil, so it can save you money! When the candle is lit, its flame will heat the oil that evaporates and releases a mist of oil and water into the air.


Heat diffusers are not recommended, however, if you are looking for therapeutic benefits. This is because heat alters the composition of the oil. This can interfere with the properties of the oil, making them less effective. Ultimately, you end up using more oil to get the desired results. These are better for dispersing scent.

Consider Size, Mist Control, and Timer Settings

Not all oil diffusers come with the same features and properties. As discussed above, ultrasonic diffusers work differently than the nebulizing types. While thinking of buying an oil diffuser, its features can also be great determinants in helping you with the right selection. 

Nebulizer Diffusers for Large Spaces; Ultrasonic or Evaporative for Small

Nebulizer Diffusers for Large Spaces; Ultrasonic or Evaporative for Small

High-capacity diffusers can cover large rooms of up to 700 square feet. Medium ones can cover average bedrooms of up to 350 square feet. Small diffusers like ceramic diffusers are ideal for smaller rooms of up to 150 square feet. For an average room, you can get a diffuser meant to cover an area of up to 250 square feet.


You can also decide by type; nebulizing diffusers produce a stronger aroma, so they would be ideal for larger spaces. You may not reap many benefits with an evaporative diffuser in a big room, however.

Programmable Timers Can Give You Ultimate Control

Programmable Timers Can Give You Ultimate Control

Good quality diffusers come with adjustable timers to control the oil diffusing time. Heat diffusers generally do not contain timers. Some timers have an auto shut-off setting, which is a good feature to prevent any chances of a fire hazard in case the reservoir runs out of oil or water. This also eliminates the need to manually turn off the diffuser.


You can also find diffusers running on USB; they can run for up to 20 hours without stopping. These diffusers dispense oil at regular intervals measured in seconds or hours.

Mist Control Allows You to Adjust the Oil's Intensity

Mist Control Allows You to Adjust the Oil's Intensity

Diffusers that come with adjustable mist settings can help control the amount of mist that is dispensed. This feature enables setting the mist level to a high or low - a great feature to prevent your device from using a lot of oil


The adjustable settings facilitate operating the diffuser intermittently or continuously; intermittent setting allows you to set the mist to dispense for a certain interval--say, 30 seconds--and then turn off. If your diffuser has no mist control and you want to lessen the concentration of oil in the mist, try diluting the oil-water solution.

Diffusers with Low Noise Level for Better Sleep

Diffusers with Low Noise Level for Better Sleep

Fan-based diffusers can let out some noise while operating, and some large diffusers can have a noise level of up to 54 decibels. So if you are particular about noise levels or want to use it while you sleep, go for a quiet diffuser that only gives out a hum. Those with a noise output level of 23 decibels or lower are ideal.

Taking Care of Your Oil Diffuser

Like any device that you use, oil diffusers also need regular cleaning and maintenance. If not, the debris left over by oils can stick to the diffuser and interfere with its performance. The build up of debris and dirt can minimize the effects of the oils that you are using. 

Always Use High Quality Essential Oils for the Best Benefits

Always Use High Quality Essential Oils for the Best Benefits

Ideally, essential oils should be stored in dark bottles or away from light as this prevents the oils from breaking down. If you do not know which oil to use in your diffuser, try using a premade oil blend; they're beneficial for meditation, relaxation, and sleep induction. 


Adhere to the recommended diffuse time of the oil that you are using, which you can figure out by reading the bottle. Some oils are stronger than others and only need to be diffused for 20 to 30 minutes. Those with lighter concentrations can be diffused for an hour or longer.

Regularly Clean the Oil Diffuser to Make it Last

Regularly Clean the Oil Diffuser to Make it Last

Most diffusers can be cleaned using mild dishwashing soap and warm water. You can also use a cotton swab soaked in vinegar to clean the corners and unreachable spots. 


We also recommend disinfecting the diffuser occasionally using white vinegar, alcohol, or peroxide; this prevents bacteria and mold buildup. You can add any of these to clean water and let the diffuser run for a few minutes, draining well when finished. Once done, rinse with clean water and wipe with a clean and dry cloth.

Understand What Essential Oils are Safe to Use if You Have Children or Pets at Home

Understand What Essential Oils are Safe to Use if You Have Children or Pets at Home

Some oils like peppermint and eucalyptus can negatively affect infants and children since they have a respiratory system that isn't fully developed, so you should consider avoiding those. 


For use with pets at home, it might be a good idea to check with your veterinarian before purchasing oils. Peppermint, clove, cinnamon, pine, and wintergreen can irritate the sensitive noses of some pets. 

Warm up Your Rooms Even More with Some Great Home Interior Products

Warm up Your Rooms Even More with Some Great Home Interior Products

While you take care of how your rooms and the air around you smells, here are a few articles that recommend some other great products to improve the overall appearance of your home. 

Summary

Essential oils gained prominence in the early 1900s owing to the popularity of the holistic healing treatment, aromatherapy. Now that you know the best way to use them for your well being is through an oil diffuser, you should get one for yourself keeping in mind the points discussed in our buying guide. 


Author: Biji Bella Ravindran

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