Who doesn’t love essential oil? Their pleasant smell can really change the atmosphere of a large room. There’s nothing like coming home from work and breathing in your favorite smell.
At A Glance: Our Top Picks for Large Room Essential Oil Diffusers
- URPOWER Essential Oil Diffuser Our Top Pick
- Aromacare Large Essential Oil Diffuser for Aromatherapy 600ml
- ASAKUKI 700ml Premium Essential Oil Diffuser
- Square Aromatherapy Essential Oil Diffuser Humidifier, 700ml Large Capacity by TomCare
- URPOWER 1000ml Essential Oil Diffuser Humidifier Ultrasonic Aromatherapy
Using essential oils in large rooms can pose a challenge though. One common pitfall is when the diffuser doesn’t have the power to spread the smell across the entire room. Another issue is if it doesn’t have the capacity to last long enough.
With so many different types of diffusers out there we decided to make this guide specific to the best essential oil diffusers for large spaces. All the products that we review in here are made specifically to use in a large room so you can avoid the pitfalls that we discussed earlier.
Ready? Lets jump into our list!
Best Essential Oil Diffusers for Large Spaces in 2024
Quick Overview: Our Top 10 Picks for Large Room Essential Oil Diffusers
| Image | Brand | Â |
|---|---|---|
 | Our Top Pick URPOWER Essential Oil Diffuser It has 14 led light colors so that you can relax in its ambiance. It has an elegant and sleek look. | VIEW LATEST PRICE → |
 |  Aromacare Large Essential Oil Diffuser for Aromatherapy 600ml Aromacare’s 600 mL diffuser operates up to 18 hours on a full tank. It’s quiet with a noise level below 35 dB. And it has both high and low mist modes. | VIEW LATEST PRICE → |
 |  ASAKUKI 700ml Premium Essential Oil Diffuser The ASAKUKI ultrasonic diffuser has a 700 mL water tank that’s easy to clean. The fact that it’s straightforward to maintain is important. | VIEW LATEST PRICE → |
 |  Square Aromatherapy Essential Oil Diffuser Humidifier, 700ml Large Capacity by TomCare TomCare’s 700 mL ultrasonic humidifier runs up to 20 hours in low mist or 10 hours in high mist mode. The water tank is made of BPA-free plastic. | VIEW LATEST PRICE → |
 |  URPOWER 1000ml Essential Oil Diffuser Humidifier Ultrasonic Aromatherapy URPOWER also makes a 1 L diffuser that comes with a remote control. It runs for 20 hours in low mist mode on a full tank. | VIEW LATEST PRICE → |
 |  InnoGear Essential Oil Diffuser and Cool Mist Humidifier This essential oil diffuser and humidifier by InnoGear has a striking design. It comes in a compact size and offers lovely fragrance. | VIEW LATEST PRICE → |
 |  PureSpa XL – Extra Large Premium Aroma Diffuser with 2,000ml Tank The PureSpa XL Premium Diffuser has a 2 L tank that covers up to 350 ft.² and runs up to 50 hours. | VIEW LATEST PRICE → |
 |  Everlasting Comfort Ultrasonic Cool Mist Humidifier This humidifier has a capacity of 6 liters. The cooling mist effect lasts for near 50 hours in between the refilling times. | VIEW LATEST PRICE → |
 |  Aromatherapy Essential Oil Diffuser by BZseed This essential oil diffuser has a 550ml capacity and can run over 10 hours providing you with a good mist for your aromatherapy. | VIEW LATEST PRICE → |
 |  Nebulizing Pure Essential Oil Aromatherapy Diffuser This diffuser from Organic Aromas has a handblown glass reservoir on a wooden base. | VIEW LATEST PRICE → |
1. URPOWER Essential Oil Diffuser
URPOWER essential oil diffuser has a capacity of 500 ml. It has 14 led light colors so that you can relax in its ambiance. It has an elegant and sleek look. Whenever the device runs out of the water, it will go in a power-saving mode and prevent the device from overheating by shutting down.
Once you put the drops of your favorite essential oil, It diffuses in the entire surroundings. You can continuously use this for up to 10 hours. This device makes absolutely no sounds, unlike some other branded diffusers. You can set the time of the mist and enjoy an aromatherapy session in the comforts of your home.
2. Aromacare Large Essential Oil Diffuser for Aromatherapy 600ml
Aromacare’s 600 mL diffuser operates up to 18 hours on a full tank. It’s quiet with a noise level below 35 dB. And it has both high and low mist modes.
The subtle coloring and dim lighting of this diffuser let it blend into the background. But it should cover at least 200 square feet. If you notice that the fragrance is waning after a few hours, you may need to add a few more drops of essential oil. In conclusion, Aromacare offers a 45-day money-back warranty.
3. ASAKUKI 700ml Premium Essential Oil Diffuser
The ASAKUKI ultrasonic diffuser has a 700 mL water tank that’s easy to clean. The fact that it’s straightforward to maintain is important. Cleaning the tank regularly ensures that the diffuser doesn’t send bacteria into the air.
Some of the highlights of this device are that it runs for hours but shuts off automatically when the water runs out. Next, it has an LED light that allows you to control the color and the brightness. Plus, there are three timed settings as well as high and low mist modes. Finally, the diffuser comes with a six-month money-back guarantee and a one-year warranty.
4. Square Aromatherapy Essential Oil Diffuser Humidifier, 700ml Large Capacity by TomCare
TomCare’s 700 mL ultrasonic humidifier runs up to 20 hours in low mist or 10 hours in high mist mode. The water tank is made of BPA-free plastic. In addition, it has similar features to other comparable diffusers.
For example, you can control the brightness and color of the LED light. Furthermore, you can set the diffuser to run for one, three, or six hours, or until the tank is dry.
5. URPOWER 1000ml Essential Oil Diffuser Humidifier Ultrasonic Aromatherapy
URPOWER also makes a 1 L diffuser that comes with a remote control. It runs for 20 hours in low mist mode on a full tank. Otherwise, you can set a timer for three, six, or nine hours of runtime. Of course, the humidifier will turn off when the tank is dry.
The wireless remote has a 5 m range, which is about 16 feet. It allows you to control both the light and the mist.
For those interested in specifics, the diffuser covers up to 430 ft.² for aromatherapy purposes. As a humidifier, it puts out 50 to 150 mL an hour. And for those planning where to place the diffuser, the power cord is 5 ½ feet long.
6. InnoGear Essential Oil Diffuser and Cool Mist Humidifier
This essential oil diffuser and humidifier by InnoGear has a striking design. It comes in a compact size and offers lovely fragrance. The images are backlit by a color-changing LED light. Although you can’t fix the light to a single color, you can turn it off completely.
This ultrasonic diffuser is whisper quiet, BPA free and operates in two mist modes: intermittent and continuous. It switches off when the water runs out, so you can keep it on at night.
7. PureSpa XL – Extra Large Premium Aroma Diffuser with 2,000ml Tank
The PureSpa XL Premium Diffuser has a 2 L tank that covers up to 350 ft.² and runs up to 50 hours. Although the 50-hour rating is for low mist mode, it still runs up to 22 hours in high mist mode.
The diffuser has a BPA-free plastic tank. On the front near the bottom, you’ll find two control buttons. Not only can you set the mist mode, but you can also control the rainbow of color changing lights. Also important, PureSpa offers a five-year warranty.
8. Everlasting Comfort Ultrasonic Cool Mist Humidifier
This humidifier has a capacity of 6 liters. The cooling mist effect lasts for near 50 hours in between the refilling times. The everlasting comfort humidifier features a tray in which you can add all your essential fragrant oils. The fan disperses the aroma in the form of mist.
The mist gets dispersed up to 400 sq ft of the room area. This product is very useful in winters. You can control the humidity and it is very useful if you have a sinus infection or cold. Once the water is over, the device will automatically power off. This product is budget-friendly.
9. Aromatherapy Essential Oil Diffuser by BZseed
If you want to experience the beauty of aromatherapy just sitting at home, do purchase this awesome product by BZeed. This essential oil diffuser has a 550ml capacity and can run over 10 hours providing you with a good mist for your aromatherapy. This product can be used as a humidifier and an essential oil diffuser.
This humidifier has 7 light colors. The lights have dim and Iit mode settings. The timer is available for 1 hour, 3 hours, and 6 hours. Once the water dries up, the humidifier will shut down on its own. It is very useful in cold climates especially if you have a cough and cold.
10. Nebulizing Pure Essential Oil Aromatherapy Diffuser
This diffuser from Organic Aromas has a handblown glass reservoir on a wooden base. The plantation hardwood is coated with a water-based lacquer that does not off-gas.
The whisper-quiet air pump operates for two minutes on, one minute off, for up to two hours. It fills a large room up to 70 m² (750 square feet) with fragrance. And it comes with a one-year parts and service warranty.
11. Aromis Wood and Glass Aromatherapy Diffuser
The Aromis diffuser covers up to 30 ft.² with the fragrance of pure essential oil. Feel free to use a single oil or make a blend of your favorite scents.
The advantage of this diffuser is that it runs for 10 minutes, then turns off for 10 minutes. After one hour, it shuts down automatically.
Like many other diffusers, this one has a glass reservoir and a wood base. It includes a one-year warranty for parts, replacement, and labor. Should there arise a problem after one year, there is a small cost for replacement parts.
12. Radiance Nebulizing Diffuser for Aromatherapy
This oil diffuser is a very popular product. You can add the essential oil in it and enjoy the aroma and relax. There are many therapy oils in the market available i.e. peppermint rose, sandalwood, etc. You can have your aromatherapy session sitting at the comfort of your home.
On a single charge, this diffuser can work for up to 50 hours. It’s a nebulizing diffuser that keeps out heat and cold which can interfere with the aroma. It has a wireless facility so you can carry it everywhere you go. It doesn’t make any sounds and makes a perfect gift for your friends and family.
13. SpaRoom Theralizer Waterless Micro-Air
The SpaRoom Theralizer, like most diffusers, works in short bursts. It turns on for two minutes, then off for one. Not only does this conserve electricity, but it maintains a pleasant scent without overwhelming the air with fragrance.
This particular diffuser is designed for large rooms measuring 1000 ft.² or less. In other words, it’s ideal for large living rooms, family rooms, or bedrooms.
Also like many other diffusers, it’s built from hand blown glass with a wooden base. In the base is a dial that allows you to control the concentration of the aroma.
Something to note about diffusers like this one is that you’ll need to remember to turn them off manually. There’s no automatic shutoff function. But it does have a built-in timer that will cause it to run intermittently for two hours.
Finally, SpaRoom recommends using 10 to 15 drops of pure essential oil each time. And it’s also important to clean the glass container regularly.
14. URPOWER 500ML Essential Oil Diffuser Humidifier Ultrasonic Aromatherapy
URPOWER has a wide selection of best-selling ultrasonic diffusers. This one has a 500mL capacity. As a result, it can run up to 10 hours on a full tank. And since the tank is made of food-grade plastic, you don’t need to worry about adding toxins to the air.
The attractive wood grain design is highlighted by a color-changing LED light. It’s possible to control the brightness of light as well as its colors. It rotates through seven colors, or you can set a single color or turn the lights off completely.
If the tank runs dry, the diffuser turns off automatically. Moreover, you can limit the continuous mist to run for only one hour, three hours, or six hours.
15. SimpleTaste 4L(1.06 Gallon) Ultrasonic Cool Mist Humidifier Essential Oil Diffuser
The gallon tank of the SimpleTaste ultrasonic humidifier runs up to 13 hours in maximum flow mode. Then it turns off automatically when the water level is low.
While the humidifier is running, it produces less than 35 dB of noise. For comparison, that’s less sound than a PC or refrigerator running.
There are several adjustments you can make to get the most from this humidifier. First, you can enjoy the seven-color light or turn it off. Then, you can adjust the mist nozzle 360°. Finally, you can set the timer on the digital display to one, two, four, or eight hours.
Unlike most of the other ultrasonic diffusers we reviewed above, this one has a sponge. The sponge is where you’ll place a few drops of the oil you want to diffuse. This complicates matters if you frequently switch aromas. Also, the tank uses a water filter which will need to be changed after 500 hours of use.
16. Sofia Waterless Essential Oil Diffuser
The Sofia was created in Italy. It has an oak base with a ceramic cover and two glass reservoirs. The benefit to two glass containers is that you can switch scents without having to clean in between.
This diffuser runs for two minutes, then shuts down for one. After two hours, it halts automatically. Also, it includes an LED light that runs separately from the diffuser.
Should there be a problem, it has a one-year warranty.
Conclusion
Diffusing essential oils has several benefits. Not only can it help improve your mood, but it can make your large rooms smell more welcoming. A diffuser can help you battle cold and flu season and diminish pet and smoke odors. We hope that you discovered the best essential oil diffuser for large space today.
Related: Best Lavender Essential Oils
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