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The 5 Best Essential Oils Diffusers For A Large Space – [2020 Reviews]

The Best Diffusers To Bring Aromatherapy Into A Large Volume Area

Our Editors independently research, test, and rate what we feel are the best products. We use affiliate links and may receive a small commission on purchases.

Essential oils are great if you’re getting into aromatherapy, or if you want to really relax and get a good night’s sleep. They can moisturize the skin, calm dry eyes and throat, and even act as a night light. However, if you’re trying to disperse the oils quickly, simply and safely, you’ll want to use one of the best essential oil diffusers.

It’s not uncommon to find an essential oils diffuser that just doesn’t do the job right, thanks to the highly oversaturated market. We’ve done some in-depth research in order to bring you the best products available today. And see our Large Volume Oil Diffusers Buyers Guide.  This comprehensive guide will ensure you know exactly which one to purchase, and why!

Quick Answer: The 5 Best Essential Oils Diffusers

  1. Exqline Diffuser for Essential Oils
  2. Pure Enrichment PureSpa XL
  3. URPOWER Essential Oil Diffuser
  4. Mogomiten Large Room Essential Oil Diffuser
  5. Luscreal Aromatherapy Diffuser for Large Rooms

Best Essential Oils Diffusers For Large Spaces & Rooms

Exqline Diffuser for Essential OilsPure Enrichment PureSpa XLURPOWER Essential Oil Diffuser

Working Time10-20 hours22-50 hours6-12 hours
Working RangeUp to 450 Sq. Ft.Up to 350 Sq. Ft.Up to 15×15 ft rooms
Customer Ratings4.2 / 5.0 Stars4.0/ 5.0 StarsN/A

Also see: Essential Oils Diffusers – Comparison Table 

Large Area Essential Oils Diffusers Reviews

#1 Exqline Diffuser for Essential Oils

essential oils diffuser

Exqline Aroma Essential Oil Diffuser at a Glance:

  • Capacity: 1500ml
  • Working Time: 10-20 hours
  • Light Options: 7
  • Noise: 35 dB (very quiet)
  • Working Range: Up to 450 Sq. Ft.
The Exqline Aroma Essentail Oil Diffuser provides a heavy dose of aromatherapy, thanks to the ultrasonic humidifier/diffuser combination design.

It’s specially designed for working in large rooms with the ability to humidify the air up to 325 square feet, and provide scent coverage up to 450 square feet! Since it doesn’t utilize heat to disperse the aromas, it will more effectively retain its integrity and holistic properties.

Due to the large 1500ml capacity, you can get up to 20 hours of operation with this diffuser. This is ideal if you don’t want to keep refilling it while you’re sick, or if you’re just having a Netflix-and-couch day. All you have to do is fill it up with water, and add in a few drops of your chosen essential oil.

The vapor comes out from the side of the lid on the top of the model, and the 270-degree rotating knob lets you easily set the humidity level. For an even more soothing effect, you get 7 different lighting options that you can alternate in terms of brightness.

Finally, the diffuser produces such little sound, that you can even use it in a baby’s nursery without disturbing them! While it does have an auto shut-off, we found that there were a few times that it was a bit defective in its operation. Aside from that, it’s absolutely the best essential oil diffuser for large space or rooms.

#2 Pure Enrichment PureSpa XL

Pure Enrichment PureSpa XL at a Glance:

  • Capacity: 2000ml
  • Working Time: 22-50 hours
  • Light Options: 7
  • Noise: Ultra-Quiet
  • Working Range: Up to 350 Sq. Ft.
The Pure Enrichment PureSpa XL aromatherapy machine is a wonderful device to help you relax after a long day at work or just to release some stress. It features a whopping 2000ml capacity, making it one of the best diffusers for large rooms. It can actually disperse up to 350 square feet, which is pretty generous.

Once again, thanks to the large capacity, it can run for over an entire two days, which is almost unheard of with aroma oil diffusers. The beautifully-designed product lets you select from high or low settings, choosing between the humidifier function or as an aroma diffuser to naturally refresh any room in your home.

We loved both settings, as they each work to eradicate dry, itchy eyes and irritable throats during allergy season. The sleek, compact diffuser also acts like a mood light, offering up to 7 beautiful colors to positively alter the mood in the room.

If that weren’t enough, they’ve even gone ahead and provided a generous 5-year warranty, along with customer care 7 days a week! If you’re looking for one of the best essential oil diffusers for large rooms, definitely don’t pass this one by!

#3 URPOWER Essential Oil Diffuser

URPOWER Essential Oil Diffuser at a Glance:

  • Capacity: 400ml
  • Working Time: 6-12 hours
  • Light Options: 7 (Can be set to just 1 color)
  • Noise: Very quiet
  • Working Range: Up to 15×15 ft rooms
The URPOWER Essential Aroma Oil Diffuser is one of the most beautiful we’ve seen, but it has so much more to offer than just looks. Coming in either a black or natural wooden color, it looks modern and sleek – the perfect addition to any room or office.

Thanks to its smaller size, it can easily fit just about anywhere you need it to. The 400ml capacity isn’t huge, but it still lasts up to anywhere from 6 to 12 hours, depending on if you set it at a high or low setting.

It comes with 4 timer settings: 1 hour, 3 hours, or 6 hours. You can also set it up on different mist modes, from anywhere from weak to strong. We will admit that it’s not one of the best diffusers for big rooms, but if you’re looking for smaller spaces this is definitely one of the top.

You can use it as either a humidifier or an aromatherapy oil diffuser, perfect for those dry and cold seasons. With 7 soothing LED lights, you’ll instantly find yourself immersed in a soothing atmosphere. You can choose to have it meld through each color, or set it to one fixed color.

You can also change the brightness to your liking – making it great for children’s rooms or as a night light.

#4 Mogomiten Large Room Essential Oil Diffuser

Mogomiten Aromatherapy Diffusers for Essential Oils at a Glance:

  • Capacity: 450ml
  • Working Time: 13 to 15 hours
  • Light Options: 8
  • Noise: Whisper-Level
  • Working Range: Up to 430 Sq. Ft.
Another one of the best diffusers for large areas, the Magomiten Aromatherapy Diffuser is a gorgeous little device that we know you’re going to enjoy. The 450ml capacity isn’t the biggest out there, but there are various settings to choose from. You can set it to run for a particular amount of time, or a pre-set selection.

The maximum is anywhere from 13 to 15 hours, depending on how high you run it. Quickly remove foul odors, relax, moisturize dry skin and eyes, and sleep better. Another big factor in us placing this aromatherapy humidifier on our list, was the fact that it’s made out of high-quality PP/ABS material.

In addition to functioning as a humidifier and diffuser, it also comes with 8 LED lights that shift from one to another. It can also be used with just one set color, if you’d prefer. It’s an excellent alternative to a night light, keeping your path lit so you don’t stumble around in the middle of the night.

It has an auto shut-off feature once it runs out of water, and is also whisper-quiet, making it a great addition to any child’s room. And it’s also BPA-free, making it a healthy choice for your household.

#5 Luscreal Aromatherapy Diffuser for Large Rooms

Luscreal Aromatherapy Diffusers for Essential Oils at a Glance:

  • Capacity: 450ml
  • Working Time: Over 16 hours
  • Light Options: 8
  • Noise: Whisper-Level
  • Working Range: Up to 430 Sq. Ft.
Are you hunting for one of the best aromatherapy diffusers but are on a tight budget? We understand it can be hard to find one that lives up to the standards you should have, while still keeping your wallet in check. We have a solution for you, though, in the Luscreal Aromatherapy Diffuser for Essential Oils. It’s a diffuser, air humidifier, and night light packaged into one sleek little device. It’s wonderful to use in your own home, or to give as a gift.

The 450ml capacity isn’t the biggest, but it lasts up to 16 hours, which is more than enough for most people. With a working range of up to 430 square feet, it’s also one of the best oil diffusers for large areas. You can set a timer for either 1, 2, or 5 hours as well.

The 8 different mood lightings create a romantic or relaxing atmosphere, and you can choose between the continuous mode or having it alternate between the colors. Whisper-quiet operation is ideal for meditation, relaxation, or bed time. The unit is also made out of BPA-free, food-class material and has the CE, FCC, ROHS Safety Approval.

Essential Oils Diffusers – Comparison Table

CapacityWorking TimeWorking RangeCustomer Ratings
Exqline Diffuser for Essential Oils1500ml10-20 hoursUp to 450 Sq. Ft.4.2 / 5.0 Stars
Pure Enrichment PureSpa XL2000ml22-50 hoursUp to 350 Sq. Ft.4.0 / 5.0 Stars
URPOWER Essential Oil Diffuser400ml6-12 hoursUp to 15×15 ft roomsN/A
Mogomiten Large Room Essential Oil Diffuser450ml13 to 15 hoursUp to 430 Sq. Ft.3.9 / 5.0 Stars
Luscreal Aromatherapy Diffuser for Large Rooms450mlOver 16 hoursUp to 430 Sq. Ft.3.5 / 5.0 Stars

Large Volume Oils Diffusers Buying Guide

What is a diffuser? It’s a device which disperses essential oils throughout a room so that the pleasant aroma fills the room with its natural fragrance. It has been shown to relax and soothe the body, improve sleep, and decrease stress levels.

diffuser large rooms space

Many also work as humidifiers that are perfect for winter to moisturize the skin, or for allergy seasons to soothe the eyes and throat. There are various methods for diffusing essential oils around a room, but they all essentially work to accomplish the same thing.

So, if you’re undecided about which ones will work best for you, that’s okay! We’ve gone ahead and created this buying guide to make sure you have the perfect one on your hands

Reservoir Capacity

You may have seen various reservoir capacities among the diffusers we have listed above. What that is, is just how much water can be placed in the unit at once. The benefit of having a larger reservoir (1500-2000ml) is that you don’t have to refill it as often. Of course, this also depends on how high of a setting you have it operating on.

A large reservoir will also allow you to create a sufficient amount of mist to provide fragrance for the area that it’s placed in. The downside to having a large reservoir capacity, is that this will obviously increase the size of the diffuser, itself. If you only need one for a small area (office, small bedroom, bathroom), you’re probably going to want a smaller unit anyway.


The best aromatherapy diffusers will let you select the exact amount of mist that you want. Some just have a few settings: low, medium, and high. Others will give you much more precision with a dial that lets you select to your liking. Keep in mind that the higher the level of mist you select, the lower the running time is going to be, naturally.

Run Time/Timer Options

That brings us to our next point, which is run time, and timer options. How long are you planning on having your aromatherapy machine going? If you just want it for short periods of time, take a look at the timers it can provide.

Most worth their salt are going to at least have a 1, 3, and 5-hour option. Sure, you could just turn it off whenever you’re done. However, if you’re going to be asleep or busy running around, you’re obviously not going to be able to do that as easily!

Some models of the best diffusers for large spaces or rooms to have them run in increments. For example, you can have it cycle on for 15 minutes, then off. In contrast, if you want yours to run for say, 20 hours, you’re going to want to look into bigger capacities that can facilitate that. We highly recommend the auto shut-off function for safety purposes, as well.


Some people actually enjoy a little mechanical “buzz”, and helps them relax. Others, may find it incredibly annoying and impossible to relax with the noise. You’ll want to take this into consideration no matter who you are. If you’re planning on using your aroma oil diffuser to relax, work, or study, you may want to select an ultra-quiet one.


Some people don’t care much for the LED lights that are known to come with the best oil diffusers. However, if that’s a big selling point for you, make sure you enjoy the colors it comes programmed with. Also look and see if there’s the option to just set it on one fixed color if you don’t like the changing ones.

In addition, it should have the option to either brighten or dim the lighting to your choosing. If it’s too bright, you may actually find it more difficult to relax. If you’re going to be using it in a child’s room or as a night light for yourself, you’ll want to ensure it’s bright enough to guide the way without distracting from sleep.


It’s a good idea to think about how much you want to spend on an aromatherapy essential oil diffuser before you get started shopping. No matter what your budget may be, there’s something to suit you on our guide, above. Keep in mind, though, that if you want a diffuser to last for years to come, you’ll want to move that budget up a bit.

Trust us when we say that by spending a bit more, it will be worth it. In fact, many of the pricier products are going to come with pretty hefty warranties that will ultimately save you money.

They’ll also typically come made with safer products, which is obviously crucial to your health.

Frequently Asked Questions – Olis Diffusers

Q: What is a diffuser?

A: We covered this a bit already, but it’s a device that  diffuses essential oils by releasing them through the air. What does a diffuser do? The diffuser is an electrically-powered unit which spreads the essential oil and water throughout the selected room of your choice. In addition, it gets rid of foul odors and replaces them with pleasant ones.

Q: Should I use undiluted or diluted oils with the diffuser?

We highly recommend using diluted oils, as it helps prolong the life of your diffuser. Undiluted oils can speed up corrosion.

Q: What type of water should I use?

The water should never be distilled, but rather unfiltered tap water.

Q: Is it safe to inhale the mist produced by the diffuser?

Yes. As the essential oils are divided into smaller particles, they’re easily absorbed by the body.

Q: How many drops of oil should I apply?

We always recommend reading the instructions that come with your particular product, as they may vary. Typically speaking though, 3 to 5 drops is the perfect amount. Make sure you don’t use more than this, as it can actually corrode the device.

Q: Are essential oil diffusers safe to use around my pet(s)?

While they’re generally suitable for pets, they can affect different animals in different ways. It’s always recommended to use causing when diffusing with a pet present. In addition, ensure it’s used in an open, well-ventilated area of your home.

If it’s the first time you’re using it around your pet, make sure to carefully watch them for the first several minutes to see their reaction. If they show any signs of discomfort or act in a way that’s abnormal for them, stop diffusion right away, and air out the area.

Q: What about cats?

If you have cats, make sure that they never come in direct contact with diffused liquid. This is due to them constantly licking their fur and they can ingest it. In addition, if you’re using citrus-based essential oils, they’ve been known to cause severe dermatitis in cats, along with other animals.

Essential Oils Diffusers – Buyers Tips

#1: Try to select oils that you enjoy. You’re not going to like all of them.

Or maybe you will, but that would just be odd! Common favorites include: lavender, peppermint, pine, ylang ylang, and spruce. Custom blends can help you get more unique, nuanced scents.

#2: Try out pre-made blends meant to accomplish a certain purpose.

There are some made for relaxation, while others are made to energize or comfort you. Honestly, there’s something for just about everyone and every purpose, so give it a go!

#3: Make sure to always use high-quality oils.

These should always come in small, dark bottles that protect the oils against sunlight exposure. Make sure to avoid those that include: perfume oil, fragrance oil, or nature identical oil. We also suggest avoiding bottles which come with a rubber dropper. The reason we suggest against it, is because oils can sometimes erode the dropper, and the rubber contaminates the oil.

#4: Clean your diffuser regularly, and follow cleaning instructions that come with your device.

This will result in more effective scent diffusion while lengthening the lifespan of the product.

#5: Never inhale the mist directly from the diffuser.

This can cause serious harm to the body. Not much else needs to be said.


Now that you’ve read just about everything you need to know about the best essential oil diffusers, which one will you be taking home with you? Get ready to take your relaxation and focus to new heights! We hope that our guide has helped you, and to see you again soon. Thanks for reading!

Thanks for reading Top 5 Best Essential Oils Diffusers For A Large Space Or Room. We hope this article has helped you to discover the best essential oil diffuser for large rooms that meets your needs and preferences.


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