Have you been looking for the best diffuser for large room?

You’re Lucky! because we went out and did deep research on diffuser for large room available on the market, did a side-by-side comparison of thousands of items with various specifications and price tags then compiled the following list of the top-rated 10 diffuser for large room that you can buy confidently.

BEST 10 diffuser for large room [Our Recommendations]

Cool! Now that you have an idea about the products we are going to reveal in this blog post. let’s take a closer look at each pick of the best diffuser for large room, its specifications, and features.

Aromatherapy Essential Oil Diffuser Humidifier 550ml 12 Hours High Mist Output for Large Room, Home, Waterless Auto-Off, 7 Color LED Lights Wood Grain Cool Mist Humidifier Ultrasonic Diffusers

$29.99  in stock
1 used from $17.99
Free shipping
Amazon.com
as of May 5, 2022 10:57 pm

Features

  • 550ML CAPACITY, RUN OVER 10 HOURS, MORE MIST OUTPUT: Our essential oil diffuser feature 550ml capacity, even in strong mist mode still work for 9-10 hours, and weak mist runs for 10-12 hours, works well disseminating the aroma steam to your room. You can use this as an aroma diffuser and personal humidifier, ideal for apartments, office, studio, child’s room. This is real, rather than other brands claims 300ml capacity run for 10 hours.(VAPOR AMOUNT: 55ml/h VS 30ml/h)
  • TIMER SETTING AND MIST CONTROL,WATERLESS AUTO-OFF: You can change the lights to whatever you feel at the moment, constant color or rotation of 7 colors, each light has bright and dim modes. Timer set in 1H/3H/6H/continuous on. When time is up or there is no water, the cool mist humidifier will turn off automatically, no risk of burns.
  • REDUCE ALLERGIES SYMPTOMS IN WINTER DRY CLIMATE: This aromatherapy diffuser could provide a large amount of fresh air for those who suffer from Dry Cough, Itchy Nose or Eyes, Allergies Sinus Headaches, and Sleeping Problems, Dry Skin. Helps to improve breathing and sleeping, relieve allergy, reduce static electricity shocks in the dry climate. Add to cart now, great housewarming or hostess gift idea for yourself, parents, friends, business partners.
  • ADVANCED ULTRASONIC DIFFUSING TECHNOLOGY, SUPER QUIET: Ultrasonic diffusers generate the vapor without any heat, which best preserves the integrity of the essential oil. Diffusers are better than any scented candle, you can even combine two or more essential oils to create a unique blend. The tiny bit of white noise you barely notice it, which may help you relax and sleep better but not obnoxious at all.
  • SLEEK and ELEGANT LOOKING, 8 COLORS: The aromatherapy essential oil diffuser is made of plastic with a faux wood look, BPA-Free water tank, fine design, and good quality, it blends naturally with the most home decor. The changeable colored lights bring an elegant view, create a relaxing atmosphere to the room, and make your life more colorful.

InnoGear Essential Oil Diffuser, Upgraded Diffusers for Essential Oils Aromatherapy Diffuser Cool Mist Humidifier with 7 Colors Lights 2 Mist Mode Waterless Auto Off for Home Office Room, Basic White

$19.99
$12.23
 in stock
3 new from $12.23
Free shipping
Amazon.com
as of May 5, 2022 10:57 pm

Features

  • Compact Size for Space-saving: Without occupying much space, you can easily place this palm sized aromatherapy diffuser on your desk, countertop, or pack in carry-on while on the go.
  • 2 Misting Modes: You can set the deffusor to intermittent mist (6-8 hrs working time) that diffuser mists and pauses every 30s, it goes for almost the whole night; Or set it to continuous mist (3-4 hrs working time) that keep misting until water runs out, it creates an instant fragrance in your room.
  • PP Material and Cool Mist: Using PP material, this diffuser disperses a comfortable stream of room-temperature mist, which provides ideal coverage for small or medium sized room.
  • Romantic Mood Light: InnoGear essential oil diffuser has 8 soothing colors, light can switch from dim to bright. Great for creating atmosphere, meditation, or using as a night light.
  • Waterless Auto-off: You can enjoy a restful sleep and keep this diffuser on at night without worries. The diffuser will automatically shut off once the water runs out.

Aromatherapy Essential Oil Diffuser for Room: 500ml Aroma Air Humidifier Remote Control for Home Large & Small Rooms - Ultrasonic Cool Mist Diffusers Oils Vaporizer with Light & Timer Bedroom Office

$26.99
$22.66
 in stock
5 new from $22.66
Free shipping
Amazon.com
as of May 5, 2022 10:57 pm

Features

  • 【Aromatherapy Diffusers with Remote Control】500ml large capacity ultrasonic fragrance diffuser machine works for up to 8 to 12 hours.The ultrasonic aromatherapy diffuser included 3 timer setting modes: 60min / 120min / 180min / ON.This large room diffuser for essential oils with remote control to easily set the working mode of the aroma humidifier while you sleep.
  • 【7 Colors Changing LED Light】This electric aroma diffuser has 7 colors LED light. Press the "Light" button to adjust any color you like (monochrome/continuous color switch). It can also be a night light for sleep to adjust your sleeping atmosphere.
  • 【Multifunctional Aroma Oil Mister】The cool mist aroma diffuser can also be worked as a Humidifier / Aroma Machine / Night Light. This ultrasonic diffuser and add essential oils as an aromatherapy machine to experience aromatherapy also humidifier to dry air,create a comfortable living space.
  • 【BPA-Free & Auto Shut-Off】This aroma diffuser is made of high-quality BPA-free materials, which generate heat during use and will not affect the surrounding environment. Likewise, it will not harm you or your family. This essential oil vaporizer is equipped with an automatic shutdown function, when the water runs out or the time is up, it will automatically shut down, ensuring the safety of use when no one is there.
  • 【Adjustable Timer & Mist Mode】This water diffuser comes with 3 freely adjustable timers: 60min / 120min / 180min and continuous diffusion. You can adjust it via the "MIST" button on the diffuser. This cool mist diffuser has 2 switchable mist modes: continuous/intermittent. It is also adjusted through the "MIST" button, which is very convenient.

BlueHills 2500 ML XL Essential Oil Diffuser for Large Room Aroma Humidifier Home Decor Bed Baby Room Big Huge 2.5 L Capacity Long Run Color Lights Decorative Design High Mist Dark Wood Grain F004

$49.99  in stock
Amazon.com
as of May 5, 2022 10:57 pm

Features

  • Extra large essential oil diffuser multifunctional aromatherapy device: This essential oil diffuser is an amazing aromatherapy device unlike any other you've ever used. It features a huge and easy to clean 2500 ML water tank, 7 different LED light colors, multiple mist modes, as well as a safety auto-switch that prevents it from overheating in case it runs out of water.
  • High mist output large humidifier made with premium quality materials: Besides its uses in aromatherapy, this essential oil diffuser also functions as a humidifier. Use it to improve your home's air and atmosphere quality, cover the smell of pets or smoking, and protect you family from excessively dry air, microorganisms, allergens, dust, and more!
  • Huge capacity can run for days in one fill: Unlike the standard size humidifiers, this has an extra-large capacity and can run all night. It can hold up to 2500 ml of water.
  • Adjustable low to high mist output, color changing lights, auto shut off – Enjoy the option to change the mist setting. This unique design allows you to set the mist from low to high. This model does not include a remote and convenient and easy to use options are in the diffuser. Unit is equipped with a safety auto shut off when low water level is detected.
  • A great gift idea for everyone: If you're in the market for a nice and practical gift, you can stop looking. This great aromatherapy essential oil diffuser is a thoughtful and handy present, one that everyone can benefit from. With a combination of style, size ,design and function like that, it's a guaranteed thoughtful gift!

URPOWER 1000ml Essential Oil Diffuser Humidifiers Remote Control Ultrasonic Aromatherapy Diffusers Room Decor Running 20 Hours with Adjustable Mist Mode,Water-less Auto Shut-Off & 7 Color LED Lights

$39.99  in stock
Amazon.com
as of May 5, 2022 10:57 pm

Features

Part NumberOD-A002
ModelOD-A002
ColorWhite
Is Adult Product
Size1 Count (Pack of 1)

VIVITEST Ceramic Diffuse,Stone Essential Oil Diffuser, Ultrasonic Aromatherapy Diffusers (100ML)

$42.99  in stock
2 used from $40.21
Free shipping
Amazon.com
as of May 5, 2022 10:57 pm

Features

  • 【Ultrasonic Diffuser & Humidifier】:VIVITEST is a factory with more than 13 years in the development,design,production and research of aromatherapy diffusers,Water molecules are decomposed into 0.1-5 micron diameter nano scale cold fog,By high frequency electronic oscillation generated by ultrasonic vibration equipmentallowing the aroma to float in the air,Produce a lot of active oxygen anion.
  • 【Handmade Ceramic diffuser】:Hand Crafted ceramic cover,Air dry naturally,The Ceramic diffuser was sprayed with a layer of coarse sand,Chemically resistant,Easy to clean,Solid and durable and save space.
  • 【Waterless Auto-Off Function】:Electric aromatherapy diffusers can last for 3-5 hours.Designed with waterless auto-off function,This essential oil diffuser will turn off automatically.
  • 【Silent Operation】:Whisper-quiet operation(≤19dB), Soothing your mood, Relieving stress and Promote Sleep,The essential oil diffuser operates extremely quietly.
  • 【9 Colors Can Be Adjusted &4 Timer 】Create a relaxing,warm, loving,fragrance environment.We promise 90 Days Money Back and 12 Months Warranty,Contact us After-sales Email.

ASAKUKI 500ml Premium, Essential Oil Diffuser with Remote Control, 5 in 1 Ultrasonic Aromatherapy Fragrant Oil Humidifier Vaporizer, Timer and Auto-Off Safety Switch

$35.99
$25.99
 in stock
2 new from $25.99
Free shipping
Amazon.com
as of May 5, 2022 10:57 pm

Features

  • 5-IN-1 AROMATHERAPY DEVICE: This ultrasonic essential oil diffuser is an amazing multifunction aromatherapy device unlike any other you've ever used. It features a large and easy to clean 500ml water tank, 7 different LED light colors, multiple mist nebulizer modes and remote control, as well as a safety auto-switch that prevents it from overheating in case it runs out of water.
  • CONVENIENT REMOTE CONTROL: Besides its uses in aromatherapy, this essential oil diffuser also functions as a humidifier. Use it to improve your home's air and atmosphere quality, cover the smell of pets or smoking, and protect you family from excessively dry air, microorganisms, allergens, dust, and more!
  • PREMIUM QUALITY MATERIALS: When it comes to our premium essential oil diffusers, we make a point of using nothing but the same ultra-high grade, safe, and eco-friendly PP materials baby bottles are made from, as well as state-of-the-art production processes and strict quality control.
  • A GREAT GIFT IDEA FOR EVERYONE: If you're in the market for a nice and practical gift, you can stop looking. This great aromatherapy essential oil diffuser is a thoughtful and handy present, one that everyone can benefit from. With a combination of style, design and function like that, it's a great hit!
  • 100% RISK FREE PURCHASE: At ASAKUKI, we have great faith in our essential oil diffusers. After all, we use them in our homes ourselves! Each one of them comes with a 1-year technical support. Your satisfaction is paramount! Note: AC adapter is in the water tank!

Diffusers for Essential Oils Large Room: 500ml Aromatherapy Diffuser Air Humidifier for Home - Ultrasonic Electric Aroma Vaporizer Bedroom - Scent Cool Mist Oil Humidifiers for Office

$33.66
$25.66
 in stock
Amazon.com
as of May 5, 2022 10:57 pm

Features

  • 【8 Pure Essential Plant Oils Set】 The kit includes rosemary, peppermint, orange, violets, tea-tree, eucalyptus, lavender, lemon scented essential oils. They are suitable for spring, summer, autumn and winter. Don't worry about the smell too strong to affect your living, because it is a fragrance that you can completely relax without being uncomfortable. When using the diffuser, add a few drops to the water tank and wait for a while to enjoy the pleasant aromatherapy atmosphere.
  • 【Large Capacity & BPA-free Materials】 The large room scent diffuser vaporizers has a water tank with a big capacity of 500ml, and its working time is 8-10 hours. Diffuser humidifier with essential oils is made of BPA-free and non-toxic materials, it is safe and reliable and doesn't hurt your family. Likewise, absolutely zero cheap additives or fillers are used in creating our oils,is the best gift for your sweetheart.
  • 【4 Time Setting & 2 Mist Modes】This Essence Diffuser has 4 timers: 1H / 3H / 6H / ON (continuous work), The atomizer will auto turn off when waterless, so it doesn't create a security risk. The water vaporizer has 2 adjustable cool mist modes: continuous and intermittent. You can set the timer and mist freely according to your specific needs.
  • 【Multiple Changing Leds Colors】The aromatherapy essential oil diffuser has 7 soft color light. You can choose any color you like or keeping 7 changing colors automaticly. It can be a great night light for young children who are afraid of the dark night. The light is very soft, so you don't have to worry about glare when you use at night. Morever, You can use mist mode or light mode alone, also together, so it is also friendly to those who are not used to the lights during their breaks.
  • 【Ultrasonic Aroma Diffuser】Our cool mist humidifier uses ultrasonic technology, it dosen't make noise when you are sleeping or working. It is very suitable for bedroom, office, yoga room, classroom, babyroom, music room, spa, because it relieves fatigue and tension, and relaxes the whole body and mind.

HealthSmart Essential Oil Diffuser, Cool Mist Humidifier and Aromatherapy Diffuser with 500ML Tank Ideal for Large Rooms, Adjustable Timer, Mist Mode and 7 LED Light Colors, White

$48.23
$29.15
 in stock
3 new from $29.15
4 used from $25.38
Free shipping
Amazon.com
as of May 5, 2022 10:57 pm

Features

  • OIL DIFFUSER will automatically and safety shut off once the water runs out so the unit doesn't overheat.  The 500mL tank is large enough to use in any size room and the tank is easy to clean and maintain so the unit lasts for years
  • DIFFUSER FOR ESSENTIAL OILS features a smart touch panel to easily control the lighting, high or low mist mode and a 1hr/3hr/6hr timer that will keep misting until the water runs out.
  • COLORFUL MOOD LIGHT has the ability to cycle through 7 different colors or stay on one.  It is great for creating a calm uplifting atmosphere during meditation or to use as a night light.  It can be used as a humidifier or as a room air freshener
  • AROMATHERAPY DIFFUSER compact design is sleek and modern.  The beautiful and modern wood grain base complements any room.  It is the perfect apartment essential, dorm essential or new home essential to bring peace and tranquility anywhere
  • DIFFUSER PRODUCT SPECS:  Scent diffuser comes with an AC adapter (located inside the tank), 6ft power cord and user manual. Essential Oils sold separately

Large Capacity Atomization Aromatherapy Diffuser, Best Scent for Home or Commercial | Numerous Industrial Settings | Water Free, Essential Oil Fragrance Nebulizing System | HVAC Capable

$529.95  in stock
2 new from $529.95
Free shipping
Amazon.com
as of May 5, 2022 10:57 pm

Features

  • NO WATER NEEDED - unlike most diffusers, there is no water needed, making this machine water free.
  • HVAC Capable - multiple type uses, including pieces to hook it up directly to vent system HVAC.
  • NEBULIZER AND ATOMIZATION - working together to make the scent noticeable in area's 1500-4000SF.
  • PCB DISPLAY - set your concentration, hours and days timing digitally with the touch screen PCB.
  • PRODUCT INCLUDES - 500ml bottle, head attachment(s), muffler, power cord, bottle cap and hose.