The 7 Best Diffusers NZ

#1 Best Overall
Home Republic Sense Ultrasonic White Diffuser
#2nd Choice
Adairs Sense Snow Earth Ultrasonic Diffuser
#3rd Choice
Home Republic Sense Ultrasonic USB Diffuser
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Buying Guide Stats

Fragrances play a very important role in your home. They not only make your place smell alive but can be very psychological beneficial. You may not notice it but they sure do calm and relax you down.

As you may have heard, listening to music can improve your mood, as does being around pleasant fragrances. It has been scientifically proven as well.

The best way to spread fragrance is by using an essential oil diffuser. A diffuser is a perfect way to get aromatherapy. An oil diffuser is a small, electronic device that vaporizes the essential oil fragrances you put in it.

You can use your favourite essential oils, be it lavender oil or any other fragrant oils. It diffuses oils and provides a subtle scent. The steam vapour can also provide many health benefits.

Looking to get one you’ve come to the right place. However, let’s first start by understanding the factors one must consider before choosing an oil diffuser.

Diffuser buying guide: How to choose the best diffuser

Here are some key factors you should look at before choosing the right essential oil diffuser for your home.

1. Coverage area

It is important to know the area span of the diffuser. Distributing the oil`s fragrance throughout the room should be the main role of the diffuser. However, do read and understand if the oil diffuser can provide you with that.

Make sure to read the coverage area of the diffuser mentioned in units. That would give a better understanding of how big a room can be covered by it. The aromatherapy diffuser requires a moderate coverage area.

2. Running time

There are different running time durations for every diffuser. Some diffusers will allow you to control the diffusion and help you save the essential oil. However, some diffusers have their intervals set.

3. Size

Size matters the most. No one would want a diffuser covering a large spot in the room. However, the size can give a better idea of the area the unit is going to be taken.

Small diffusers are best in portability. Moving them from room to room gets easy and convenient for you. If it is a moderate size diffuser you can also take it with you if you are planning to travel.

4. Essential oils and water reservoir capacity

Diffusers are available with 1ml to 260ml water and essential oils capacity. It depends on how long you want the diffuser to work. If you plan to use a diffuser throughout the entire day, then you surely wouldn’t want the 1ml reservoir size unit.

However, the greater the reservoir capacity means the bigger diffuser. Many people like to get small, cute diffusers to blend with the room décor.

Top best diffuser

After thorough market research, we have gathered the best diffusers for you to choose from. The diffusers mentioned below are trusted by thousands of users so you can be one of them as well. However, now it is in your hands to decide which diffuser would suit your home and use your favourite essential oils.

Here are the Best Diffusers in New Zealand.

Home Republic Sense Ultrasonic Leon White Diffuser


Overall rating – 5 out of 5 ⭐⭐⭐⭐⭐


  • Size: 18cm x 12.5cm
  • Reservoir capacity: N/A


You may have seen many diffusers with different designs and materials. This diffuser is one of the most unique ones you are ever going to see. Designed with extreme creativity this diffuser is out of this world.

With a sculptural face design, this diffuser may scare you if it is next to you when you wake up. Made with high-quality ceramic material the unit has a lot to offer. The unique design makes this diffuser sell out as soon as the stock updates.

The extra-large scale size makes it cover a vast area and distribute the mist evenly throughout the room. The timer mode is available and comes with three durations for you to set. 60 minutes, 90 minutes and 120 minutes, choose what suits you the best.

However, you can also skip the timer and use it continuously until the battery runs out. The reservoir capacity is unknown but looking at the size it should be sufficient enough for your use. Clean it with a dry cloth.


  • Unique and attractive design
  • Simple to use
  • Not complicated to dismantle and clean


  • Low running time
  • Plain and not equipped with much technology compared to the price

Adairs Sense Snow Earth Ultrasonic Diffuser


Overall rating – 5 out of 5 ⭐⭐⭐⭐⭐


  • Size: 16cm x 9cm
  • Runtime: 4 hours continuous
  • Reservoir capacity: N/A


Are you looking for a cost-effective diffuser? This is the perfect choice to meet your requirement from a diffuser. One of the most efficient ways to use your favourite oils.

The ceramic, plain style of this diffuser is the perfect look for any diffuser. Due to the material, it is manufactured and it is very easy to clean. All you have to do is just wipe it with a clean, dry cloth and you will be good to go. However, keep it away from children and pets.

This diffuser comes with a timer and provides you with an option to run it for a specific duration. The timer comes with three durations: 60 minutes, 90 minutes or 120 minutes. Perfect to incense your house with your favourite essential oil.

The continuous mist mode gives you a running time of up to 4 hours. That is enough to calm you down for the evening. Had a tough day at the office? The Adairs diffuser is here to relax and soothe your mind.


  • Automatic shutdown
  • Cool mist
  • The box includes an Ac adapter


  • Low running time if you are looking to use it for the entire night
  • Button setting may be confusing to use


Home Republic Sense Ultrasonic Natural USB Diffuser


Overall rating – 4 out of 5 ⭐⭐⭐⭐


  • Size: 11cm x 10.5cm
  • Reservoir capacity: N/A


Are you looking for a diffuser that you can use during travelling as well? you surely are going to love this one then. Perfect to carry and store in your bag.

The small, cute size of this diffuser makes it convenient and portable to use. One of the simplest diffusers you may ever see. The timber look on this unit gives it a smooth texture finish.

Even being small in size the diffuser is equipped with ultrasonic technology. This diffuser is powered by a USB connection making it versatile.

Equipped with simple controls, this diffuser is the one you must have on the go. You can keep this one for your car and would give the perfect relaxing drives. The three duration timer is also available for your convenience.

However, the material it is made with is plastic, so you would need to be extra careful with it. Keep it in a safe place and away from children. The reservoir capacity is unknown but looking at the size it won’t be much.

So you would need to refill it frequently. However, it shutdowns automatically once the reservoir is empty. You don’t have to worry about losing power due to this helpful feature.


  • Versatile and portable
  • Easy to use
  • No maintenance needed
  • Perfect for travelling


  • Uses a USB power connection
  • Made with plastic, so have to be extra careful while carrying it

Lissom Essential Oil Diffuser - Moon Cycle


Overall rating – 4 out of 5 ⭐⭐⭐⭐


  • Size: 6.5cm x 13cm
  • Reservoir capacity: 100ml


This doughnut-shaped diffuser works the best as a décor item as well. The light wood grain texture gives it a plain and classic look. However, it may lead some guests to think if it is a diffuser.

The Lissom Oil Diffuser uses ultrasonic technology to deliver a smooth and calming mist. It is safe to use and you get your favourite essential oil in its purest form of mist.

This is an electric diffuser that produces a long-lasting mist and lights up your room. However, this is only suitable for small rooms due to its low coverage area. The quiet operation of this diffuser makes it ideal for office use as well.

The dual running mode in the Lissom Oil Diffuser gives you the option to choose the continuous or the intermittent mist flow. It depends on how you want to use the diffuser. The intermittent mist mode is perfect if you want to use it during your sleep.


  • Low power consumption
  • Quiet
  • Efficient


  • Only for smaller rooms
  • Complicated to dismantle and clean

Ceramic Diffuser Ultrasonic


Overall rating – 4 out of 5 ⭐⭐⭐⭐


  • Weight: 0.75KG
  • Runtime: 7 hours


The Ceramic Diffuser Ultrasonic by The Goodnight co is one of the top quality products. The ceramic texture and the matte finish gives a unique and attractive look to your diffuser. The simple and plain presentation of this aroma diffuser is liked by many.

The diffuser is available in both black and white colour schemes. This aroma diffuser is portable and perfect for the bedroom or living room. The coverage area is pretty vast.

Now it is easy to get your aromatherapy oils in your home. The diffuser promotes better sleep, relaxes your mind and body.


  • Soft light
  • Safe to use and touch


  • Low running time
  • Not simple to use


ECO. Modern Essentials Coastal Diffuser & Diffuser Blends


Overall rating – 4 out of 5 ⭐⭐⭐⭐


  • Size: 125mm x 125mm x 200mm
  • Reservoir Capacity: 180ml


One of the best-selling diffusers that would provide you with the best aromatherapy. Giving you control over your atmosphere, the diffuser by ECO Modern Essentials creates a joyful ambience.

The bamboo base and the subtle texture will suit your home décor and look attractive in any spot you put it. With the diffusers, there are many essential oil blends for you in the box. Each essential oil blend benefits your health.

What most people love about it is the immune support essential oil blend that comes with the diffuser. This blend fights off harmful bacteria and viruses. Also, create a layer of pleasant fragrance while providing many benefits to your health.

The reason this diffuser is named Coastal is due to the relaxing and calm feeling it gives you. This is the perfect choice to cheer your mood up. The night light gives a relaxing and deep sleep.


  • Simple to use
  • Auto shut off mist setting
  • Timer
  • Purifies the air
  • 3 lights display options


  • A bit big to carry during travel
  • Mist and light setting can be a bit difficult to understand

Homedics Ultrasonic Essential Oil Diffuser (Thrive)


Overall rating – 4 out of 5 ⭐⭐⭐⭐


  • Made from ceramic and wood with a high-gloss finish
  • Runtime: 6-hour continuous run is possible


Featuring a high-gloss finish made of ceramic and wood. The addition of this modern accent to a room can help you feel more relaxed. This diffuser features a calming, colour-changing light as well as a gentle mist of natural aroma. This theraputic diffuser can it can run for up to six continuous hours.


  • Runs upto 6 hours
  • Stylish design


  • Expensive compared to other options

Frequently asked questions

You may just see a mist coming out but inhaling the mist can be beneficial depending on the essential oils you use.

Diffusers are best for aromatherapy vapours. They are long-lasting and emit natural fragrances throughout the entire room. You can keep the diffuser on and it may help you sleep better and guarantee a deep sleep.

Using natural essential oils can be safe. However, if you are allergic to some fragrances it would be better if you only use the essential oils which are fine with you.

Diffusers can be a safer option than candles as there is no burning flame in the room. However, both have their benefits.

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