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10 Best Oil Diffuser For Large Rooms - Holiday Sale

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Last Updated - 2025/12/14

Best Choice

01
BlueHills

BlueHills Premium 2000 ML XL Large Essential Oil Diffuser Aromatherapy Humidifier for Large Room Home 40 Hour Run Huge Coverage Area 2 Liter Extra Big Capacity Huge Diffuser Dark Wood Grain (E003)

Free Shipping
Main highlights

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!
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 2000 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
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 2200 ml of water and can run up to 40 hours in low mist with one fill.
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!
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9.8

Exceptional

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02
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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9.7

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

11% Off 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 500ml water tank, multiple mist diffuse 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. Your satisfaction is paramount!
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9.4

Excellent

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Value for Money

04
HJTHJT

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

58% Off
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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9.3

Excellent

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05
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)

12% Off 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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9.1

Excellent

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06
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

12% Off 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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8.8

Very Good

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07
EQUSUPRO

Essential Oil Diffuser Aromatherapy Diffuser -300ml Metal Electric Ultrasonic Cool Mist Oil Diffuser for Large Room with Waterless Auto Shut-Off, 4 Timer Setting &7 Colors Night Light for Home Office

12% Off Free Shipping
Main highlights

Whisper Quiet and Safe Design：The cool mist oil diffuser adopts advanced ultrasonic technology. It runs whisper quietly. The diffuser will automatically stop working once water has been used up, you can enjoy a sound sleep at night without worries.
Prefect Gift Choice：It is a good choice to use this eye-catching fragrance oil diffuser as a gift to the elders, loved ones, friends and kids. Share happiness and express gratitude with this unique design oil diffuser on Valentine's Day, Christmas Day, birthdays, anniversaries, holidays, Teachers' Day, Father's Day, Mother's Day, Thanksgiving Day and more.
Classic Tree Design：NOTE: POWER ADAPTER IS PLACED INSIDE THE WATER TANK. EQUSUPRO metal essential oil diffuser designed with classic tree pattern, a stylish decor to contemporary home, office, gym, spa or studio. The metal cover of diffuser can be easily removed, filled in water and 6-9 drops essential oil, helping you benefit from aromatherapy.
4 Timer Mode & 7 Colors Night Light：This aroma diffuser for essential oils has 4 Timer Mode, continuously misting/1Hr/3Hrs/5Hrs timer. Different timer mode is practical while you sleep, work, read, or doing exercise. 7 Color LED Night Light works separately from mist function, cycling or setting a fixed color you like. You can have it not only an electric oil diffuser, but a gorgeous night light.
300ml Large Capacity：300ml water tank allows this oil diffuser to continuously work for 5 hours for a large room. No more frequently refilling, save your time and let you have a sound sleep a whole night. This aromatherapy diffuser creates a soothing atmosphere in your home, can humidify air, remove odor, relieve stress, lift mood and help sleep better.
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8.7

Very Good

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08
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

18% Off
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: Our 500 ML essential oil diffuser 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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8.6

Very Good

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09
Generic

Essential Oil Diffuser, Oil Large Room Diffusers,Ultrasonic 150ml Aromatherapy Diffuser with Essential Oil, Bedroom Vaporizer Cool Mist Humidifier with Warm Lights for Home Office (Black)
Main highlights

【Superior Safety】Our ultrasonic essential oil diffuser is crafted from the finest PP (polypropylene) material, ensuring it is completely safe for use around babies and pets. The durable construction means it can withstand daily wear and tear, making it a reliable choice for your home. This diffuser comes beautifully packaged in a gift box, making it an excellent gift option for loved ones on special occasions.
【Suitable for Any Occasion】The versatile mist and light functions of this oil diffuser can be used independently, allowing you to customize your experience. For a peaceful night's sleep, simply turn off the light and enjoy the soothing mist. Alternatively, use the diffuser as a soft nightlight to create a calming ambiance while you read, work, or practice yoga. The diffuser's gentle glow provides just the right amount of light for relaxation.
【Ideal for Large Rooms】With its generous 150ml capacity, this aromatherapy diffuser is perfect for large rooms, providing ample coverage to fill the space with your favorite essential oils. The auto shut-off feature ensures the diffuser turns off automatically when the water level is low, preventing overheating and ensuring safety during nighttime use. This functionality gives you peace of mind, knowing that both you and your family are protected.
【Gift of Serenity】Share the gift of tranquility with our aromatherapy machine – the perfect present for any occasion! Whether it's a holiday, birthday, Thanksgiving, Christmas, or another special event, this diffuser is sure to delight friends and family. Its compact size and lightweight design make it easy to carry, so it's not only a great addition to your home but also an ideal companion for business trips and travels. Enjoy a fragrant environment anytime, anywhere.
【Auto Shut-Off Function】The diffuser's built-in auto shut-off feature ensures that it automatically powers down when the water level runs low, providing a worry-free experience. This safety measure not only protects the device from damage but also prevents any potential hazards, making it suitable for use in any room, especially those where children and pets are present. The convenience of this feature allows you to enjoy the benefits of aromatherapy without constant monitorin
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8.4

Good

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10
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

12% 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!
Show more
8.2

Good

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