10 Best diffuser for large room in Canada

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Last Updated - 2025/07/01

Best Choice

01
BlueHills

BlueHills Premium 2500 ML XL Essential Oil Diffusers for Large Room Aromatherapy Fragrance Diffuser Humidifier Combo High Mist Large air Diffuser for Essential Oils for Home Light Wood Grain F005
Main highlights

Set up the diffuser/ humidifier and sleep soundly: This aromatic diffuser offers a timer with three different settings for your preferred sleep time and is simple to use and maintain. The timer settings are 2 hours, 4 hours, and 8 hours. This humidifier add moisture and improve the quality of your home's air by releasing cool mist.
Mist adjustable knob with décor lights and sleep mode for a good night sleep: It also features three diffuser mist flow settings for adjusting the amount of mist released into the air. It has 7 color-changing LED light that can be turned on and off, allowing you to experience your essential oil scents with calming lights. This unique diffuser and humidifier has a sleep mode feature with no lights that is a great way to help you drift off to sleep.
Long-lasting and quiet diffuser: The large oil diffuser is incredibly quiet and noise free surroundings since it operates using ultrasonic technology. The high capacity, extended run-time aromatherapy diffuser has several advantages; it may operate for up to 35 hours on a single fill, and is capable of covering a large area. This large diffuser also comes with an auto-safety mechanism that automatically shuts off when water runs out.
Light up your space with this magical addition or give this gift as a token of love to your family or friends to enjoy - The diffuser is a great gift idea for a loved one, and it’s perfect for the indoors. It’s small enough to fit on a desk or countertop but powerful enough to fill a room, including offices, living rooms, bedrooms, bathrooms, kitchens, and kids bedrooms. An ideal gift that combines style, size, design, and great benefits for any occasion.
Aromatherapy diffuser with a 2500 ml large capacity tank and multifunctionality for a larger area: With just three touch sensitive buttons, this essential oil diffuser has a classic décor look, yet it has many functions. It features calming lights, timer options, and an adjustable mist setting. The top-filling design diffuser makes it more convenient to add water and easier to clean than it might be with the others.
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9.8

Exceptional

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02
ZunkTopOne

for Mom from Daughter Son Kids,500 ML Essential Oil Aromatherapy Diffuser - Quiet, Long-Lasting Aroma - Room Diffuser for Home, Office, and Large Rooms

Free Shipping
Main highlights

Whisper-Quiet Operation: Operating virtually soundless, this ultrasonic diffuser promotes tranquility and relaxation without disturbing your sleep, meditation, or work
Powerful Coverage Long-Lasting: Mist Boasting 500 ml , it continuously runs up to 15 hours, gently filling rooms up to 500 sq. ft. with a soothing aroma, creating a refreshing and rejuvenating environment
Intelligent Safety System: Equipped with an auto-shut off feature, the diffuser ensures peace of mind by turning off automatically when water runs low, protecting both your device and your home
Design for Any Space: Crafted modern lines, this essential oil diffuser doubles as a stunning home accessory, enhancing the ambiance of your living room, bedroom, or office
7 Colorful LED Lights: Choose from a continuous glow or color-changing mode to set the mood, with the option to turn off the lights for a purely aromatic experience
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9.6

Exceptional

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03
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

Free Shipping

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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9.3

Excellent

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Value for Money

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

45% Off Free Shipping

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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9.0

Excellent

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05
Diffuserlove

Diffuserlove Diffuser Essential Oil Diffusers 400ML Aromatherapy Air Diffuser for Home Bedroom Office Room Aroma Diffuser with 7 Color Lights Intermittent Mist Mode

Free Shipping

9.7 Time function

9.7 Simple to use

9.7 Noise level
Main highlights

【Streamlined design of 7 Colors Light】Aromatherapy essential oil diffuser have 7 different colors light, each colour contains two modes(bright and dark). You can choose to cycle them through or freeze on one fixed color to create a different
【Low Noise & Moisturizes】Drop essential oils into aromatherapy diffusers(below -35dB), run steady and noiselessly, give you a quiet and comfortable environment. Portable for bedroom, office, spa, kitchen, or tabletops!
【BPA-Free Air Diffuser】Made of polypropylene + ABS material ,BPA-Free. Protect your family from excessively dry air, dust, and so on! This would be an ideal gift for family, friends and yourself!
【400ml Capacity & AUTO-OFF Function】400ML Large capacity and more mist. It is up to 8 Hours' Working time. Once the water runs out, mist and light will be auto shut-off to protect the device.
【2 Misting Modes Diffuser】The diffuser has Intermittent mist mode that works 30s and pauses 30s, And Continuous mist that keep misting until water runs out. It helps you to keep the skin moisturized and comfortable.
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8.9

Very Good

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06
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

Free Shipping
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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8.8

Very Good

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07
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 (White Wood)

Free Shipping

9.7 Giftable

9.7 Simple to clean

9.5 Time function
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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8.6

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

20% 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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8.4

Good

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09
Diffuserlove

Diffuserlove Essential Oil Diffuser 500ML Aromatherapy Diffuser Mist Humidifiers 7 Color LED Lights Diffusers for Home Office Bedroom (Size:6.7" L x 6.7" W x 4.7" H)

Free Shipping

9.7 Giftable

9.5 worth the money

9.5 Simple to use
Main highlights

【Remote Control 】 with remote control, you can easy set 4 timers,intermittent mist mode,light mode.If you have any issue with your diffuser, do not hesitate to contact us - your satisfaction is paramount!
【Mute Design】 Deep Sleep ≤ 20dB, run steady and noiselessly, give you a quiet and comfortable environment. Replenish water and nutrition into cells, make skin moist, clean, white and natural.
【7 Atmosphere Lamp】 7-color cycle, 1-color fixed. You can choose to cycle them through, freeze on one fixed color and create a different atmosphere of interior space or turn the light off.
【500ML Capacity】 Large 500ml water capacity that can continue use up to 7 hours each time. Aromatherapy Essential oil diffuser can purify air effectively. Perfect gift for family and friends. Protect your family from excessively dry air, dust, and so on!
【 Greatest Gift Choice】Large tank, Easy to clean, BPA free, 4 timers(60min-120min-180min-continuous mode), and auto shut-off to protect the device. Multi-functional Essential oil humidifier be built for family life.
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8.3

Good

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10
ASAKUKI

ASAKUKI 300ML Essential Oil Diffuser, Wood Grain BPA-Free Whisper Quiet Cool Mist Humidifier, Natural Home Fragrance Diffuser with 14 Colors LED Lights and Easy to Clean - Light Brown

23% Off Free Shipping

9.9 Giftable

9.7 Simple to use

9.5 worth the money
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.
MULTIFUNCTIONAL 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 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.
GREATLY IMPROVES AIR QUALITY: 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!
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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8.2

Good

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