Calily ultrasonic oil diffuser is one of the more affordable models due to obvious reasons. It is fairly simple with a candle-like shape and a plastic body. By no means it looks poorly made but there are models that seem a bit more fancy.

The model works on batteries and uses a new ultrasonic system that does not generate heat. It emits a discrete mist that spreads the oil into the room. In terms of capacity the model can hold about 100 ml of fragranced oil while the batteries offer a continuous runtime of about 4 hours.

9. QUOOZ Lull Ultrasonic Aromatherapy Essential Oil Diffuser

The QUOOZ Lull ultrasonic oil diffuser is one of the more expensive models. Maybe a bit more expensive than it is really worth but nonetheless it is still a great option for the ones that seek to create a welcoming atmosphere. It is small, compact and looks quite well from a design perspective. It is made to look like a small lamp.

It does not run on batteries which for some might seem like an advantage but it does limit its mobility and it can be difficult to move it around from one corner of the room to another. It has a capacity of about 200 ml of oil which is enough to up to 10 hours of continuous usage. The model includes a safety auto shut-off system that detects when the diffuser is low on oil.

8. BellaSentials Aromatheraphy Oil Diffuser

There are very few other oil diffusers that look as good as the BellaSential. It has a wooden texture that makes it look more like a stylish decorative element with rounded edges and a bright blue neon light. The model looks extremely well and it is fairly affordable.

The model has a large capacity that offers it about 8 hours of usage or 12 depending on the mode selected. When it runs out of oil the model will shut down on its own to save batteries. The LED lights can be changed as there are 7 available or the diffuser can alternate between them.

7. Calily Eternity Ultrasonic Essential Oil Diffuser

The Calily Eternity oil diffuser is an amazing little device. It is even more impressive when looking at the price. It is well built with metal elements and a bright neon light that provides a soothing experience.

Its only downside is the fact that it has a 90 ml capacity which should last for about 3 hours. The model runs on batteries and in order to save power it features an auto shut-off system that prevents it from running without any oil. Like most other models it has a quiet operation mode and does not require any maintenance except for the oil refill and the eventual battery swap.

6. ZAQ Dew Essential Oil Diffuser

ZAQ Dew Essential oil diffuser is a great option for the ones that need to add a bit of personality to a room for a special occasion. It is not the most affordable model but it has plenty to offer as it is well built and comes with a modern design that makes it work as a decorative element in any room.

The model is available in a white glossy finish with a glowing top and glowing button. It has a 80 ml capacity which is enough to run for four hours and it is energy efficient. Like all the previous models listed it has a safety system that detects when the oil is low and turns off the diffuser until it is refilled.

5. PureSpa Essential Oil Diffuser

The PureSpa essential oil diffuser is one of the more basic models. It looks like a small lamp with four colors to choose from and a pleasant design. It can be used in any environment as long as the room is no larger than 250 feet in order to provide a decent coverage.

Its diffuser system uses an ultrasonic system that helps heat up the oil and spread it into the room. This means that it is quiet and it does not get hot. When filled with oil the large capacity recipient makes it run for about 7 hours continuously which is quite decent when compared with similar models from the same price range.

4. InnoGear Aromatherapy Essential Oil Diffuser

The InnoGear essential oil diffuser is one of the most popular models available. Rated as a best seller the model is not only affordable but also quite efficient. It might not have the most appealing design but it is an excellent choice for the ones with a limited budget.

The model has two control buttons that control the humidity and the light. Using ultrasonic technology the model does not heat up and does not generate any kind of noise. The oil is diffused in a controlled manner and when the level gets low the diffuser shuts-off automatically. It features two operations modes which gives it a runtime of about 6 hours.

3. Deneve Essential Oil Diffuser

Deneve’s essential oil diffuser is one of the smallest models in our pick list. Designed to look like a rock the model is both elegant and easy to use. Its design is modern while its price tag places it in the more affordable range. The build quality and attention to detail does make it a great decorative object but there are better models out there.

Its capacity is fairly modest but it is a highly efficient model with a runtime of about 5 hours until it gets empty. Using ultrasonic technology the model does not heat up and it is completely silent when running.

2. Now Foods Ultrasonic Wood Grain Oil Diffuser

The Now Foods oil diffuser is a gorgeous device. Almost its entire body is covered with a wood-like texture that gives a more distinct and pleasant look. Very few other models can even be compared to it.

It uses an ultrasonic diffuser that does not generate heat and does not affect the properties or scent of the oil. This also makes it extremely quiet and high efficient. It runs an average of 8 hours before running out of oil when it will shut-off automatically. One of the more important features is the fact that it runs on batteries and can be charged. This means that the model is easy to more around the room without having to worry about a power source.

1. Urpower Essential Oil Diffuser

The Urpower essential oil diffuser is one of the best models to get. Its design with the wooden body and discreet lights gives it finesse and turns it into a great decorative object. The buttons are barely noticeable while the top offers a bit of illumination.

The model works as an ultrasonic diffuser with almost no heat generated and zero noise. Its biggest asset is the fact that it has a 300 ml capacity that can last up to 10 hours. It is one of the few models in our pick list that last this long. Unlike other models it does not run on batteries which eliminates the worry to change then or having the device stop working due to low power.