Top Pick for
For this list, we picked diffusers based on actual customer reviews and ratings on Amazon and key product features. For every category, we carefully chose parameters based on our research and determined products with the highest review score within those parameters.
We picked the Asakuki Essential Oil Diffuser as the best overall diffuser. It has a rating of 4.6 out of 5 stars on Amazon.
This ultrasonic essential oil diffuser is packed with heaps of features to add some Zen to your home. It has an easy-to-clean 500ml water tank, 7 different light colours and various mist nebuliser modes. In weak mist mode, the tank lasts up to 16 hours. There are also 4 timer options: 60, 120, 180 or continuously on. It covers up to 25-30sqm of space as well.
Customers praised the product's excellent value for money, durability and performance. It has an automatic shutoff feature for safety when the tank runs out of water, which is ideal if you plan to use the diffuser overnight. Its 500ml tank also means you won't need to refill as often. However, several users found the instructions quite vague, which made setting up a lot longer than it should be.
37% off Asakuki Essential Oil Diffuser
For the best reed diffuser, we recommend Cocod'or's Preserved Real Flower Reed Diffuser, which has a rating of 4.3 out of 5 stars on Amazon.
Cocod'or's Persevered Real Flower Reed Diffuser comes in an elegant glass bottle with multiple reed sticks and 200ml of fragrance to freshen your home. The brand says it takes 1 or 2 days for the sticks to soak in the scent and disperse a lovely aroma in your preferred area. When the scent weakens, you simply have to turn the reed sticks upside down or replace them with new ones. This diffuser comes in various scents, including pure cotton, black cherry and garden lavender.
Apart from being aesthetically pleasing and affordable, customers raved about the product's longevity, pleasant scent and ease of use. It's one of those products that you just set and forget, making it ideal if you have a busy lifestyle or are not too keen on frequently refilling a diffuser's water tank. Several buyers said the scent is overpowering at first but settles into a mild fragrance after a couple of days. The reed sticks need to be replaced every couple of days but this seems to be a minor issue for most buyers.
The Goodnight Co. Ceramic Essential Oil Diffuser has a rating of 4.6 out of 5 stars from more than 60 Google reviews and a rating of 4.8 out of 5 stars from more than 50 The Goodnight Co. customers.
This sleek ceramic diffuser uses ultrasonic technology to diffuse mist. It doesn't heat up, which makes it suitable for use around children and pets.
The water tank holds 100mL and can run continuously for 3-4 hours. When the water runs out, the machine automatically turns off so you can set it to run when you get in bed and it will turn off automatically while you sleep.
This diffuser has an included light with both soft and bright settings. It comes in 3 different colours: white, black and grey to suit any decor. It also comes with a 12-month warranty.
With a rating of 4.3 out of 5 stars on Amazon, we selected the HoMedics Ellia Gather Ultrasonic Aroma Diffuser as the best ultrasonic option.
Crafted from ceramic and wood, HomeMedics' Ellia Gather Ultrasonic Aroma Diffuser has a 200ml tank to deliver a fine mist to your home. It can work continuously for up to 10 hours, but the brand claims it can last up to 20 hours when used intermittently. It also features 7 colour-changing lights and 6 relaxing sounds. Additionally, you'll get a handy remote control, allowing you to modify the setting with ease.
This ultrasonic diffuser produces a strong yet fine mist that can fill any space with aroma in no time. It also has various sound settings to help you relax after a long day. In addition to being stylish, customers love that it has a remote control for convenience. The lights aren't too bright either. However, the 200ml tank means frequent refilling if you plan on using the diffuser all day.
Organic Aromas' Raindrop Nebulising Diffuser is our recommendation for the best nebulizer available online. It has a rating of 3.8 out of 5 stars on Amazon.
The Raindrop Nebulising Diffuser has a rounded plantation hardwood base and a glass reservoir with a candlewick tip. It doesn't use water or heat to diffuse the scent. It utilises air to naturally disperse essential oil into any space. It also has an LED rainbow-carousel mood-lighting option to add to the ambience. Additionally, the diffuser is whisper-quiet, which means you'll only hear a humming sound when you place your ear near the device.
This product diffuses concentrated scent without the need to refill a water tank or use heat, although you still need to clean out the reservoir with rubbing alcohol once a week. It also has a switch to control how much oil you diffuse. Users loved its design and extremely quiet operation, adding that they actively display the product in their homes. However, it has a shorter run time than other types of diffusers. It diffuses for 2 minutes, then has 1 minute off. This process repeats for 2 hours before it shuts down.
For the best evaporative option, we picked the dōTERRA Petal Essential Oil Diffuser. On Amazon, it has a rating of 4.4 out of 5 stars.
This evaporative diffuser is a user-friendly option that can cover up to 30sqm of space. It has 3 timed settings – 1, 2 and 4 hours – allowing you to modify the release of aroma into the air. It also produces a fine yet substantial mist to create a relaxing ambience at any time. Additionally, it has a 250ml water tank and an automatic shutoff feature for peace of mind.
Despite being smaller than competitors, customers said this diffuser packs a punch. It releases a strong mist that can cover a huge space without needing frequent refills. The 3-piece components are easy to remove for quick refills, too. It also has optional LED lighting that can add to the diffuser's relaxing effect. One thing to note, however, is that it doesn't have a quiet operation. This may be a con if you plan to use the device for a good night's sleep.
With a rating of 4.6 out of 5 stars on Amazon, our choice for the best heat diffuser is the Singeek Ceramic Tea Light Essential Oil Burner.
This heat diffuser features a natural bamboo wood and ceramic design that looks sleek and stylish. It has a ceramic bowl where you can pour about 2/3 of a cup of water and 5-8 drops of your favourite essential oil. It has a small candle holder for a tea light, which warms up the essential oil and water mix to diffuse aroma into the room.
Customers praised the product's sophisticated yet functional design, ease of use and value for money. If you're new to essential oil diffusers, this is a great option to start with. While it doesn't have the bells and whistles of electric options, it helps create a relaxing, spa-like atmosphere in any space. Users said it releases a powerful aroma that lasts for hours. However, the tea light usually burns out after two and a half hours. You also need to refill the bowl with the oil and water mix after 4-6 hours.
For large rooms, we recommend the Levoit Cool & Warm Essential Oil Diffuser as the best option. It has a rating of 4.5 out of 5 stars on Amazon.
With a 6L water tank, the Levoit Cool & Warm Essential Oil Diffuser can cover up to 70sqm of space. It also provides both cool and warm mists to help with congestion, dry skin and allergies. Apart from a working time of up to 60 hours, it has a near-silent operation and a built-in intelligent sensor that automatically adjusts the mist for energy efficiency. It also has an LED with touch buttons and a handy remote control for convenience. The diffuser has a timer ranging from 1-12 hours as well.
The Levoit Cool & Warm Essential Oil Diffuser comes with heaps of features that customers seem to enjoy. It has multiple controls and functions, allowing you to customise how the aroma is diffused into your home. Buyers loved using the warm mist function when it's colder, providing a cosier atmosphere at night. For the summer, the cool mist is perfect to create a fresher ambience for any room. Several users added that it is extremely quiet. However, they wish it looked more stylish considering its hefty price tag.
Our pick for the best car diffuser is Organic Aromas' Mobile-Mini Wireless Rechargeable Nebulising Diffuser, which has a rating of 4.0 out of 5 stars on Amazon.
Organic Aromas' Mobile-Mini Wireless Rechargeable Nebulising Diffuser is a wireless and rechargeable device that can cover a small office or car. It weighs 440g and is powered by 2 lithium batteries that the brand claims last up to 18 hours when fully charged. The diffuser doesn't use heat or water, so you won't need to refill any tank when you're on the road. It uses air to release a concentrated scent into your space.
Customers gave positive feedback on the diffuser's compact design, ease of use and durability. It looks quite sleek but small enough to fit in any corner of a car. It also releases a strong scent that lasts for hours, according to users. However, it has a shorter diffusing cycle compared to more traditional choices. It operates for 2 minutes, then off for 1 minute. This continues for 2 hours before it automatically shuts off.
We considered the following brands of diffusers:
For this list, we carefully picked products with the highest customer ratings on Amazon. We ended up with a total of 86 diffusers to compare.
We then researched each product and its features. We also considered ratings and customer reviews on Amazon. We came up with what we believe are the 9 best diffusers available online.We value our editorial independence, basing our comparison results, content and reviews on objective analysis without bias. However, Finder may receive compensation when you click some links on our site. Learn more about how we make money from our partners and why you can trust our guides.
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