10 Best oil diffuser for large room in Canada

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Last Updated - 2025/09/16

Best Choice

01
ASAKUKI

ASAKUKI 500ml Essential Oil Diffuser, 5 in 1 Premium Ultrasonic Aromatherapy Fragrant Oil Vaporizer Humidifier with Remote Control, 3 Timer and Auto-Off Safety Switch, 7 LED Light Colors

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9.7 Simple to clean

9.5 Simple to use

9.3 Time function
Main highlights

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.
GREATLY IMPROVES LIVING QUALITY: Besides its uses in aromatherapy, this essential oil diffuser also functions as a humidifier. Use it to improve your home's atmosphere quality, cover the smell of pets or smoking, and protect you family from excessively dry air, microorganisms, allergens, dust, and more!
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!
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, as well as a safety auto-switch that prevents it from overheating in case it runs out of water.
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. No need to worry about the quality. Your satisfaction is paramount!
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9.7

Exceptional

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02
ASAKUKI

ASAKUKI Essential Oil Diffuser, Multifunctional Ultrasonic Aromatherapy Fragrant Oil Vaporizer Humidifier with Timer, Auto-Off Safety Switch, and 7 LED Light Colors, 700 ml (Light Wood)

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Main highlights

[Versatile Use for Different Occasions] The mist and light functions operate independently. It can be used as a nightlight or turned off while sleeping. It’s an ideal companion for reading, sleeping, working, or doing yoga
[Multipurpose Aromatherapy Diffuser] This aroma device is a remarkable ultrasonic essential oil diffuser. It has 7 different LED light colors, high and low mist options, a large and easily cleaned 700-ml water tank, and a safety auto-switch to prevent overheating when the water runs out
[Improves Living Space] This essential oil diffuser serves as a humidifier in addition to aromatherapy. You can use it to enhance the ambiance of your house, mask the smell of smoke or pets, shield your family from the intense dry season, static electricity, and more
[Ideal Gift Option] You can stop searching if you're seeking a thoughtful and useful gift. Everyone can benefit from this wonderful aromatherapy essential oil diffuser, which makes it a kind and practical gift. It combines design, utility, and elegance in such a way
[High-Quality Materials] We take care to employ the high-end, secure, and sustainable PP materials - the same materials used to create baby bottles - as well as cutting-edge production techniques and rigorous quality assurance when it comes to our high-quality essential oil diffuser
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9.5

Excellent

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03
Generic

550ml Large Capacity Essential Oil Diffuser Aromatherapy Ultrasonic Diffusers Humidifier with Timer and 7 Color LED Night Light Setting Auto-Off Function White Wood Grain for Home Office Spa

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Main highlights

Ultrasonic Technology: Utilizes ultrasonic vibrations to disperse a fine, cool mist into the air, humidifying and freshening the surrounding space.
Stylish Design: This elegant diffuser features a light wood grain finish with a geometric patterned top, adding a touch of sophistication to any room.
Compact Size: Measuring approximately 16 cm in diameter, this diffuser is compact yet powerful, making it ideal for small to medium-sized rooms.
Automatic Shut-Off: Intelligently turns off when water runs out to prevent overheating or damage.
Ambient Lighting: Equipped with an LED light, it casts a soft, calming glow to create a relaxing atmosphere.
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9.4

Excellent

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04
Dynooper

Aroma 500 ML Diffiser with Essential Oils Set, Essential Oil Diffuser with Remote Control, Humidifier with 14 Color Lights for Large Room, 4 Timer Setting, Auto Shut-Off

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9.3 Simple to use

9.1 Remote Control

8.7 Aroma
Main highlights

REMOTE CONTROL: Our diffuser is provide an easy to use remote control that can control it from up to 15-feet and adjust the lighting and misting modes as well as set the humidifier's timer,the diffuser has 1/3/6 hour timers and steady ON mode, as well as a safety auto-switch that prevents it from overheating in case it runs out of water.
LOW NOISE FOR BETTER SLEEP: Our diffuser is using upgraded quiet fan with noise reduction technology, The noise level is lower than 25 dB, it's created a peaceful and soothing environment for learning, working and sleeping,You can enjoy a relaxed and fragrant atmosphere in your space at any time.
LARGE CAPACITY AROMA DIFFUSER: Our essential oil diffuser capacity is 500 ML; it is perfect for large rooms; this diffuser is also includes 7 ambient light chose to create a relaxing atmosphere to your room and make your life more colorful.
ESSENTIAL OILS: We sourced globally for premium raw materials. Each synergetic blend oil is expertly formulated and hand-poured, has no additives, carriers, alcohol, fragrance-added, The set of 8 Well-being essential oils comes with Lemon, Lavender, Mint, Rose, Orange, Tea tree, Vanilla, and Jasmine.
2 MIST MODES: Our diffuser can provide stable cool mist to increases your room humidity without make your furniture and your floor to get humid; You can aslo adjust the mist mode to get low Mist: 30ml/h and high Mist: 60ml/h by pressing the power button to fit your room size.
14 COLOURS LED LIGHT: Our diffuser can provide 7 colours with 2 modes, the LED light can be fixed or cycled through. the mist and light functions of this diffuser can be work separately. you can turn off the light at night while sleeping, or use this diffuser as a nightlight.
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9.1

Excellent

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Value for Money

05
HJTHJT

HJTHJT 500ML Essential Oil Diffuser: Aroma Diffuser with Remote Control for Hotel Spa Yoga Room - Humidifiers for Bedroom with 14 Colors LED Night Light for Kids/Women Home Relaxation

49% Off Free Shipping
Main highlights

Remote Control: The aromatherapy diffuser is provide an easy to use remote control that can control it from up to 15-feet and adjust the lighting and misting modes as well as set the humidifier's timer, the diffuser has 1/3/6 hour timers and steady ON mode, as well as a auto-switch that prevents it from overheating in case it runs out of water
Low Noise for Better Sleep: The aroma diffuser is using upgraded quiet fan with noise reduction technology. The noise level is lower than 25 dB, it's created a peaceful and soothing environment for learning, working and sleeping
Large Capacity Aroma Diffuser: 500 ML essential oil diffusers for home is wonderful for large rooms. This diffuser is also includes 7 ambient light chose to create a relaxing feeling to your room and make your life more colorful
2 Mist Modes: The scent diffuser can provide stable cool mist to increases your room humidity without make your furniture and your floor to get humid. You can aslo adjust the mist mode to get low Mist: 30ml/h and high Mist: 60ml/h by pressing the power button to fit your room size
14 Colors LED Light: The essential oils diffuser can provide 7 colours with 2 modes, the LED light can be fixed or cycled through. The mist and light functions of this diffuser can be work separately. you can turn off the light at night while sleeping, or use this diffuser as a nightlight
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9.0

Excellent

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06
MISERWE

Miserwe 500ml Essential Oil Diffuser with Remote Control, 7 Color LED Light, Automatic Shut Off, for Home

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9.9 worth the money

9.9 Giftable

9.5 Simple to use
Main highlights

【Ultra-Large Capacity 】Humidifier have Large 500 ml water capacity that can continue use up to 10 hours each time.4 time setting modes: 60 min / 120 min / 180 min /stable on.
【The Beat Gift Choice】The diffuser adopted the ultrasonic technology to create a fine environment by adding essential oils.Perfect for bedroom, study, office, living room, bathroom, yoga, SPA, conference room, baby room.Is the best gift choice!
【Safety and Low Noise】Waterless auto shut off and this diffuser oils fragrance is made from BPA-free materials, it is 100% non-toxic and safe for babies.Deep Sleep ≤ 20dB, run steady and noiselessly, give you a quiet and comfortable environment.
【Remote Operation 】Our diffuser are equipped with unique wireless remote control, adjustable switch, fog size, time, light.Allows you to enjoy quiet sleep without having to get out of bed to turn on the machine.
【7 Colors LED Light &2 Mist Mode】7-color cycle, 1-color fixed.The LED can be set to 7 different gentle and soothing colors, press the light button to adjust the LED lights. Press "MIST" to choose low/high mist mode.
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8.9

Very Good

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07
WD&CD

WD&CD 1300ML Essential Oil Diffuser, Ultrasonic Aromatherapy Fragrant Oil Vaporizer Humidifier with Remote Control, Timing and Auto-Off Safety Switch, 7 LED Light Colors, White

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Main highlights

Easy to Use: You can use the remote control and aroma diffuser buttons to achieve timing, adjust the light (7 LED lights) and control the size of the mist.
Cool Mist & Whisper Quiet: Ultrasonic technology delivers fine and stable cool mist, keeping your living space clean and sufficiently moisturized. A quiet atmosphere of less than 35 dB can create a quieter sleeping environment.
BPA-Free: This diffuser uses advanced BPA-free plastic, which does not emit harmful and plastic smell, giving you a comfortable and healthy life.
Application: Can be used as aromatherapy diffuser / humidifier / air purifier. Naturally fit in different situations. e.g. home, bedroom, office, spa, hotel and baby room, etc.
1300 ML Capacity: Large capacity is enough for all day use. It can be used not only as an oil diffuser, but also as a humidifier for your big house.
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8.7

Very Good

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08
ASAKUKI

ASAKUKI 300ml Essential Oil Diffuser, Wood Grain Ultrasonic Cool Mist Aromatherapy Vaporizer Fragrant Humidifier, 3 Timers and Auto-Off Safety Switch, 7 LED Light Colors for Home Office

32% Off Free Shipping

9.9 Simple to clean

9.9 Fashion

9.3 Simple to use
Main highlights

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.
GREATLY IMPROVES LIVING QUALITY: Besides its uses in aromatherapy, this essential oil diffuser also functions as a humidifier. Use it to improve your home's atmosphere quality, cover the smell of pets or smoking, and protect your family from excessively dry air in winter, dust, and more!
Best Gift 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 an easy to use 300ml water tank, 7 different LED light colors, multiple mist nebulizer modes, as well as a safety auto-switch that prevents it from overheating in case it runs out of water.
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!
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8.5

Good

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09
EQUSUPRO

EQUSUPRO Essential Oil Diffuser 150ml Black Metal Aromatherapy Oil Diffuser Ultrasonic Cool Mist Diffuser with Auto Shut-Off Protection,7 Colors Changed LED for Home Office SPA Yoga

10% Off Free Shipping

9.9 Fashion

9.5 Simple to use

9.5 Simple to clean
Main highlights

[Whisper Quiet Ultrasonic Technology] Essential Oil Diffuser adopted advanced ultrasonic technology, it is extremely quiet without annoying noise that will not disturb you when you sleep or at work. No heat is used, making it safe for kids and pets.
[Unique Design] A perfect addition to any contemporary home, office, gym, spa or studio. Compact and portable, the aroma oil diffusers cover can be effortlessly removed, easy to fill with water and a few drops of essential oil, helping you readily reap aromatherapy benefits.
[Safety Design & Auto Shut Off] Essential Oil Diffuser will automatically stop working and keep your unit from being damaged as soon as its water content has been used up.
[Quality Assured]Our Oil Diffuser passed the safety and durable test, certified under ETL and FCC certification.
[All in One Function] Aromatherapy Essential Oil Diffuser, Cool Mist Humidifier, Night Light. Multifunction: Moisten Skin, Humidify Air, Relive Stress and Improve Sleeping. With 7 soothing LED lights, you can cycle seven colors or freeze on one fixed color. Lights could be turned on as night light at any time. Wonderful gift for family and friends.
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8.4

Good

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10
inrorans

Essential Oil Diffuser Hand Blown Glass 160 ML Aromatherapy Diffuser - Ultrasonic Cool Mist Scent Aroma Diffuser, Whisper Quiet with Auto Shut-Off, Timer Setting &7 Colors Night Light for Home

Free Shipping
Main highlights

Nightlight & Timer : Inrorans room oil diffuser humidifier is designed with separate control in mist and light for diffusing and lighting which is useful and helpful for different enviroment by day and night,Not only aroma diffuser for bedroom but a perfect nightlight, In addition,this air diffuser for essential oils also has timer function by 1H-3H-6H which automatically shut off when out of water, You can set the time according to your different needs
Elegant looking and 7 Colors : The aromatherapy essential oil diffuser is BPA-Free water tank with traditional hand blown art glass effect,15 light modes, 7 colors of ambient light (Dark/bright) 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.
Decorative Air Diffuser :INRORANS essential oil diffusers for home come with unique traditional hand blown art Glass Brown Rock patterns which act as a perfect home decor,7 different LED nightlight colors,Intermittent 30S on/off mist and separate light&mist control setting ,Safe auto-off when runs out of water. It is very suitable for your bedroom, living room, children's room, study room, office, and yoga room.
Aromatherapy Oil Diffuser Warranty:Inrorans room diffuser provides you with WARRANTY with 45 days money back and 24 month worry-free guarantee, If you aren't satisfied with our oil diffuser, please feel free to contact us.We will resolve your issue within 24 hours.Please add it to your shopping cart immediately because you can purchase it without any risk.
Advanced Diffusing&Whisper Quiet :Inrorans 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, This small room diffuser is super Quiet under 30DB which may help you relax and sleep better but not obnoxious at all.
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8.3

Good

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