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Best Essential Oil Diffuser for Large Spaces

Reviews and Buying Guide

quadcopter reviewsBest Essential Oil Diffuser for Large Spaces

How to Find the Best Essential Oil Diffuser

An essential oils vaporizer can give your home a boost of ambience and calm. They’re wildly popular and for good reason! You may be wondering: how does a diffuser work? What’s the difference between a humidifier and a diffuser? You’re in the right place! We’ve researched the ten best products for the money. Essential oil diffusers use ultrasonic technology to “vibrate” essential oils mixed with water into a fine, cool mist. Before we get to our essential oil diffuser reviews, here are a few things to look for when shopping for the best oil diffuser for large rooms and small rooms alike.

Best Essential Oil Diffuser

Water Capacity: A high capacity usually means a higher run time, which means refilling less often! But it also means the diffuser will take up more space.

Best Essential Oil Diffuser for Large Spaces

Diffuser Capacity: How much is the diffuser actually putting out each hour? For a large room, a bigger number is better for a greater impact.

 How to Find the Best Essential Oil Diffuser

Auto Power Off: No need to worry about the diffuser if you forget about it and leave it on--these diffusers will shut off when water runs low.

Best Essential Oil Diffuser for Large Spaces

Max Run Time: Some diffusers run for a long time but diffuse very little into the air, and vice versa. A long run time means less refilling!

Best Essential Oil Diffuser

Dimensions: How much space does it take up? See if you have the space for the diffuser you have in mind before buying!

Product Intro Icon

Warranty: How long does the manufacturer back up their product? Most diffusers have a one-year warranty.

Top 10 Products

The best essential oil diffuser for you is right around the corner! We included a variety of different sizes, shapes, and colors out there, so there’s something for everybody. Want the biggest water capacity? Check out the 500ml tank of the Urpower 500ml Diffuser. Want real bamboo wood, not just a wood grain look? Take a look at the InnoGear Real Bamboo diffuser! Of course, we also recommend checking out all of the diffusers in between. Let’s start with our top picks!

VicTsing Cool Mist

Top Pick
The VicTsing Cool Mist essential oil diffuser is a nature-inspired vase shape with three wood grain color options: dark brown, red-brown, and light brown. A ring of LED lights around the base of the humidifier and on the top of the diffuser provide ambient lighting in seven different colors. It can provide humidity to an area of 65-82 square feet! You can set the lights to dim or bright modes, and choose one color or let the diffuser cycle through the full spectrum. You can choose to have the diffuser misting constantly, or set it on a timer for one hour, three hours, or six hours. This isn’t your mom’s noisy old humidifier, that’s for sure!
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Urpower LED Oil Diffuser

Budget Pick
Looking for a simple oil diffuser for your desk or bedside table? This little diffuser is a great option. Set it on intermittent misting mode (30 seconds on, 30 seconds off), and it will last for 6 hours before needing more water. The always-on mode lasts 3 hours, perfect for studying or working on a project. The 100ml capacity is on the small side, so it works best if you want to sit near the diffuser to enjoy the scent. Its small size makes it great for work or travel, plus you can use it as a night light or slow-motion disco ball! The seven LED colors can be set to cycle through or on just one shade. The white plastic body of the diffuser lights up all over and can be safely placed in a child’s bedroom.
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InnoGear Aromatherapy

Review
The InnoGear Aromatherapy essential oil diffuser has a 200ml water capacity and a maximum run time of 6 hours. You can set it to run on a timer for one hour, three hours, or six hours, or have it steadily pump out mist on a high or low setting. A ring around the wood grain body of the diffuser lights up with six different colors. You can set these colors to cycle through or to one color, and dim or bright modes. The dim setting is perfect for a soft night light. It’s easy to fill the air with the scent of your favorite essential oil with this chic little diffuser. The wood grain look makes it look high-end and stylish, too!
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Urpower 500ml Oil Diffuser

Review
This white plastic diffuser makes a perfect night light or background ambient lighting since its entire body lights up with different colors. Have it cycle through a rainbow of seven colors or select one for a soft glow. If you’re trying to soothe a sick kiddo with essential oils, this diffuser will also keep the monsters away! The large 500ml water capacity means the diffuser can continue misting for 10 hours on the low setting. You can also set it to a timer for 60 minutes, 120 minutes, or 180 minutes. It will shut off automatically if it runs low on water, and can humidify a range of 20 square meters. The scent of the essential oils, however, will fill a space up to 40 square meters. The range of settings can make this a handy bedside essential oil diffuser when you’re not feeling well!
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Tonerone Essential Oil Diffuser

Review
The 400ml capacity of this cute wood grain essential oil diffuser is just one thing to love about it. It has an impressive run time of up to 10 hours on the low mist setting and 6 hours on the high mist setting. You can also choose a timer misting: 1 hour, 3 hours, or 6 hours. It pumps out 30-50ml/hour and covers up to 60 square meters. The included measuring cup is a nice touch to help avoid over-filling and spills. It has seven LED colors that can be set to cycle through or to a single color. This diffuser is a good overnight companion to keep the air smelling sweet while you sleep, or keep it running in the living room during the day. It is a relatively large diffuser, so it may not fit in with a crowded desk or nightstand.
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Urpower Wood Oil Diffuser

Review
This essential oil diffuser can cover up to 200 square feet with high or low mist output (35 to 70ml per hour). Set it to run for 1 hour, 3 hours, or 6 hours before powering off, or set it to run continuously. The low mist setting runs out after about 5.5 hours, while the high mist setting lasts about 3 hours. It powers off automatically when it runs out of water. The 7 LED lights can add some soothing color to your life. Make them cycle or choose one color. The colors can be adjusted to bright or dim, perfect for nightlights! This diffuser has a shorter run time than some, but a greater number of timer settings. There’s something nice about that wood grain design that’s become so popular, too, we have to admit!
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BellaSentials Oil Diffuser

Review
Need a diffuser that can handle rooms up to 500 square feet and doesn’t constantly need refilling throughout the day? The BellaSentials diffuser has a 350ml water capacity, almost three times what the average desktop humidifier can offer. It lasts 8 hours on high mode, or set it to low mode and forget about it for 12 hours! You can also play around with the 7 LED lights, which can be set to rotate or to one color. This is a larger-capacity essential oil diffuser, but it’s still portable. The dark bamboo finish keeps the low, rounded design of the diffuser from reminding you too much of a retro CD player, too. Basically, this is one diffuser you should consider if you have a large room and want a long-running, high-capacity diffuser.
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InnoGear Real Bamboo

Review
Hate the look of plastic? This essential oil diffuser features a natural bamboo wood shell and is BPA free. The simple cylindrical design will blend in with your home or office. The diffuser also features several working modes and timers: continuous misting, intermittent misting (30 seconds on, 30 seconds off), a two-hour misting timer, and a one-hour misting timer. You can set the LED lights to cycle (the seven colors are red, yellow, orange, light blue, dark blue, green, and purple), set to one color, or off. It has a larger than average water capacity by about 20%. Want to fall asleep to aromatic mist but not wake up damp in the morning? The timer options come in handy!
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Urpower Essential Oil Diffuser

Review
This essential oil diffuser features a wood grain look (although it is technically plastic). The 130ml capacity can handle rooms of up to 215 square feet--that qualifies as large, right? Choose from an intermittent setting of 30 seconds on, 30 seconds off, or a continuous misting. Running continuously, it lasts 3-4 hours but set it to intermittent mode, and it’ll keep going for over 6 hours! Besides the LED indicator lights, you also get a lot of color options for ambient LED lighting. Set the diffuser to cycle through the seven colors (blue, pink, purple, red, yellow, green, and orange), stay on one color, or leave it off entirely. The wood grain look combined with the nature-inspired vase shape makes this diffuser a modern bohemian accent!
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Young Living Home Diffuser

Review
The now-famous Young Living brand offers a range of diffusers, but we liked this rose-shaped white ultrasonic diffuser for its small size and neat design. Here’s our Young Living diffuser review, in brief: It features an ultrasonic diffuser system that generates waves at 2.5 million times per second--sounds impressive, right? The basic ambient light (no color-changing here, folks) can be switched on and off. You can choose between always-on and a setting that alternates 30 seconds on with 30 seconds off to go longer between refills. The diffuser shuts off automatically and is easy to fill with your favorite essential oil. You also get a sponge for cleaning it, score!
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