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The Best Essential Oil Diffusers 2019 (Guaranteed Satisfaction)

When you are looking to purchase you obviously want to get one of the best essential oil diffusers possible. So where do you start?  As you know there are literally hundreds, thousands even, on the market.

The reality is, it all depends on what you wish to use it for!  You need to consider the running time per day, the size of the space you want to fill with aroma and the method of diffusion.

The main consideration, in my opinion, is to eliminate any diffusers that utilize a heat source. Remember, you are going to use your new diffuser with aromatherapy essential oils. So please choose one that does not rely on heat as a method of diffusion.

It may seem crazy because this means we eliminate a huge number of diffusers. However if you have invested money in high quality essential oils you want to make sure you look after them and harness their properties.

Heat has a negative impact on most essential oils. In fact the health giving and healing properties of essential oils are destroyed when heated. You will end up with beautiful aromas, but no holistic healing benefits.

Note: If your prime motivation is aroma and ambiance only, and you are not using your oils for healing – then by all means…heat away!)

The Best Essential Oil Diffusers Do Not Use Heat!

Even after removing heat source products, there are a huge variety to choose from. 

But by far the best are Ultrasonic diffusers.  Ultrasonic means they vaporize the essential oils and disperse them into the air through vibration.

Because ultrasonic diffusers generate vapor without heat, actually without anything other than high speed vibration, they preserve the integrity and attributes of our essential oils.

So here they are!  Perfect solutions for diffusing essential oils with ultrasonic technology. No heat!

The Best Essential Oil Diffusers For 2019

Number 1 – Homasy 500ml Essential Oil, Ultrasonic Diffuser.

Big Style, Big Capacity, Aromatherapy For The Whole Home Or Office!
Homasy Essential Oil Diffuser - The best essential oil diffusers 2019

Product Name: Homasy Essential Oil Ultrasonic Cool Mist Humidifier - 500ml

Product Description: 3 in 1 Essential Oil Diffuser. The Homasy is designed to be an Aroma Diffuser, a Humidifier and a Night Light. So simple to use. Just press the “mist” button after filling in the diffuser tank with water and essential oil. Brilliant, and safe, for the childrens rooms and works as a night light with 8 colored leds.

  • Ease of Use
  • Value For Money
  • Diffusion method
  • Quality of Product
  • Diffusion coverage - 480 square foot


The Homasy 500ml essential oil diffuser uses an atomizer plate which oscillates up to 3,000,000 times.  This is why this diffuser can produce such fine, cool mist with long lasting fragrance and no loss of oil quality. The coverage of diffusion reaches up to 480 ft². Safe for use in all areas of the home, even in kids bedrooms!  The diffuser is made of BPA free material, so is 100% healthy to use around the elderly and babies. Plus the Homasy oil diffuser automatically shuts off when it runs out of water. 


  1. 500ml Large Capacity Cover
  2. 480 ft² Space
  3. Improve Your Air Quality
  4. Atomizer plate diffusion



  1. Price is high compared to some  (but remember quality, diffusion methods and space covered makes this excellent value for money!)
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Number 2 – Secret Garden Essential Oil Diffuser for Ultrasonic Aromatherapy.

best essential oil diffusers - secret garden

Larger Capacity Longer Misting Time:

The Secret Garden has a large 500ml capacity water chamber. This large storage, teamed with ultrasonic diffusion allows the fragrance to fill large spaces. 

This is an awesome feature. But it gets better. The Secret Garden can run for 12 hours when set to low mist mode and 9 hours in high mist mode.

Ideal for home or office.  Set each morning, or each evening, and safely leave to run continuously.  This amazing essential oil diffuser will really help you reap the rewards and healing benefits of your chosen oils.

Full Spectrum Color or Low Light Modes:

You can match every moment and mood with the Secret gardens light settings.  Choose your favorite from the full color spectrum settings.

Match your mood, match the moment or switch the color light off and simply enjoy the fragrance!

Timer Settings – Set to run for 1 hour, 3 hours, 6 hours or continuous.

Mist Options – Low or High mist output.

Satisfaction Guarantee – 45 days money back guarantee and 12 month worry free warranty

Number 3 – ASAKUKI 500ml Premium Ultrasonic Essential Oil Diffuser

The Best Essential Oil Diffusers 2019 (Guaranteed Satisfaction) 1 The Best Essential Oil Diffusers 2019 (Guaranteed Satisfaction) 2

5-IN-1 Ultrasonic Aromatherapy Diffuser:

Our number 2 in the best essential oil diffuser guide is the Asakuki aromatherapy diffuser.  The Asakuki is an incredible multifunctional aromatherapy device.  Featuring a large 500ml, easy to clean, water tank, 7 different LED colored lights, multiple misting nebulizer modes and a safety inspired auto off switch that kicks in when the tank runs out of water.

Improves Room Air Quality:

As well as the obvious use of the Asakuki for aromatherapy this essential oil diffuser also works as a humidifier. The humidifier function helps to improve the air quality and atmosphere in your home.  It also aids in covering unpleasant lingering smells such as cigarettes and family pets.  Humidifiers protect you and your family from allergens, microorganisms, dust, and excessively dry air!

Made To Last Premium Materials:

A truly premium essential oil diffuser, the Asakuki uses ultra-high grade, eco-friendly and completely safe Polypropylene (PP) materials (the same as baby bottles are made from).  The manufacturing company is well known for their commitment to using eco-friendly, state of the art production processes with strict quality control.

Great For You And Gorgeous As A Gift:

Highly recommended for you and your home as well as a truly gorgeous gift for loved ones!  The Asakuki ultrasonic aromatherapy essential oil diffuser makes a truly thoughtful gift, and one that gives the additional gift of health and well being.

The Asakuki combines style, design and functionality with the incredible benefits of aromatherapy –  guaranteed to be a hit!

100% Risk Free:

Comes with a 1 year warranty and 6 months money back satisfaction guarantee.

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Number 4 – Arvidsson Aromatherapy Essential Oil Diffuser.

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Unique And Artistic Design:

The Arvidsson essential oil diffuser is also a room humidifier.  It is made from PP plastic with an external, artistically inspired, iron cover.  It’s unique and compact design means you can move it easily and safely from one room to another or venue to venue!  Great for the home and office … or both!

Super Quiet Magical Mist:

Enjoying ultrasonic technology, the Arvidsson essential oil diffuser operates in near silence and produces an incredibly fine magical mist.  This ultralight mist really permeates your space allowing you to bask in comfort as you enjoy the healing fragrance. 

Set And Forget Time Function:

Your Arvidsson essential oil diffuser has 4 time settings:

  • 30 minutes,
  • 1 hour,
  • 2 hours,
  • 3 hours

With a 100ml water capacity you can set and forget the diffuser.  The auto off function means it will turn itself  off automatically if the water runs out .

7 Color Soft Romantic Glow Settings:

Our Arvidsson diffuser features 7 led colored lights to choose from.  Perfect for creating a romantic, calm or peaceful atmosphere whether you are dating, cuddling, working, studying or simply sleeping.

Satisfaction Guarantee For Customers:

Arvidsson state clearly that customers always come first. Their guarantee is that they will stand behind every product and offer a hassle-free money back guarantee.

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Number 5 – Everlasting Comfort Ultrasonic Humidifier (6L) – Built-in Oil Diffuser With High Mist Output

The Best Essential Oil Diffusers 2019 (Guaranteed Satisfaction) 4

Large Capacity With High Output:

This may seem an odd entry in our best essential oil diffuser guide because it is a true humidifier in every sense of the word.  It is designed to increase the humidity of your room and home. Featuring a 6L (1.6gal) tank with a super high mist output it can last 50 hours between refills!

So Why Is It Our Number 5?

It may be large, but it is perfect to keep your home filled with healing aromatherapy fragrance alongside it’s ultrasonic technology which means the Everlasting Comfort diffuser works in near silence.

Built In Aromatherapy:

The Everlasting Comfort features a tray to add your favorite essential oils. This enables the ultrasonic vaporizer to atomize the oils and circulate them via mist.  Experience truly clean, pure and fresh air with healing fragrance.

Remove Airborne Viruses And Bacteria:

With the Everlasting Comfort’s 360 degree rotating nozzles and it’s fully adjustable mist and steam functions you have total control of the humidity in your home.  This helps to decrease any risk of illness by keeping relative humidity above 43% destroying most viruses and bacteria .

Everlasting Comfort helps purify the air to prevent and ease allergies, sinus infection and dry coughs through it’s antibacterial, antimicrobial and hypoallergenic natural ionizer and purifier.

You Can See Why We Added It Now!

Set And Forget Auto Switch Off:

The Everlasting Comfort humidifier automatically turns off when it runs out of water which prevents any damage to the diffuser and keeps you safe!

No More Expensive Filters:

Many ultrasonic humidifiers, similar to air conditioning units, have a filter that needs to be replaced every few months.  Replacing filters is costly and can be cumbersome. The Everlasting Comfort is unique as both the diffuser and humidifier due to the design eliminating the need for a filter.  Amazing!

The best essential oil diffusers are revealed. Do let us know which you choose!

When you make a purchase you want to choose from the best essential oil diffusers. So where do you start? As you know there are literally hundreds, thousands even, on the market. We can help!

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