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Best Buy customers often prefer the following products when searching for big humidifier.

Big humidifiers are designed to add moisture to a room's air, which can help alleviate symptoms of dry air such as dry skin and chapped lips. They're also useful for providing moisture to the air during cold season when it's often too dry for indoor plants. Browse the top-ranked list of big humidifiers below along with associated reviews and opinions.

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  1. Dreo - Ultrasonic 1.59 Gal. Smart Cool & Warm Mist Humidifier - White - Front_Zoom
    Top comment

    "Great humidifier!...I like that the tank is large enough that I don't have to constantly refill, but not too big to be bulky in my space....One VERY Smart Humidifier...I recently purchased the Dreo Ultrasonic Smart Humidifier, and it has genuinely transformed my living space. "

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    Product Description

    Dreo 6L Smart Humidifier is a top-fill wonder, offering both warm and cool mist options. A full 60-hour run time, a high-precision sensor and an indicator light to check humidity at a glance. Alexa-compatible for that smart home touch, perfect for large rooms, nurseries, or green spaces, it's the ultimate comfort for your space.
    See all Humidifiers
    Top comment

    "Great humidifier!...I like that the tank is large enough that I don't have to constantly refill, but not too big to be bulky in my space....One VERY Smart Humidifier...I recently purchased the Dreo Ultrasonic Smart Humidifier, and it has genuinely transformed my living space. "

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    Product Description

    Dreo 6L Smart Humidifier is a top-fill wonder, offering both warm and cool mist options. A full 60-hour run time, a high-precision sensor and an indicator light to check humidity at a glance. Alexa-compatible for that smart home touch, perfect for large rooms, nurseries, or green spaces, it's the ultimate comfort for your space.
    See all Humidifiers
    See all Humidifiers
  2. CRANE - 2 Gal. Tower Ultrasonic Cool Mist Humidifier with Remote - White - Front_Zoom
    Top comment

    "It doesn’t look like a humidifier!...I needed a large humidifier for my great room and I’m so pleased with this one! ...Easy to Use and Large Capacity...Such an awesome humidifier! I love all the features on this humidifier and I'm getting one for every room of the house!"

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    Product Description

    The perfect humidifier and diffuser to keep your family healthy and happy. With its large 2 Gal. accessible tank and dishwasher safe parts, cleaning is so simple. Not to mention, its mist output runs for over 24-hours in a large size room and it works as a diffuser for essential oils and vapor liquids. It's optional color changing nightlight is also a great additional feature that gives off a soothing glow. Crane’s top fill ultrasonic cool mist humidifier and aromatherapy diffuser provides up to 500 sq. ft. of coverage and 24 hours of soothing moisture to help relieve the effects of dryness and congestion, helping you and your family to breathe easy and sleep through the night peacefully.
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    Top comment

    "It doesn’t look like a humidifier!...I needed a large humidifier for my great room and I’m so pleased with this one! ...Easy to Use and Large Capacity...Such an awesome humidifier! I love all the features on this humidifier and I'm getting one for every room of the house!"

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    Product Description

    The perfect humidifier and diffuser to keep your family healthy and happy. With its large 2 Gal. accessible tank and dishwasher safe parts, cleaning is so simple. Not to mention, its mist output runs for over 24-hours in a large size room and it works as a diffuser for essential oils and vapor liquids. It's optional color changing nightlight is also a great additional feature that gives off a soothing glow. Crane’s top fill ultrasonic cool mist humidifier and aromatherapy diffuser provides up to 500 sq. ft. of coverage and 24 hours of soothing moisture to help relieve the effects of dryness and congestion, helping you and your family to breathe easy and sleep through the night peacefully.
    See all Humidifiers
    See all Humidifiers
  3. CRANE - 1.2 Gal. Cool Mist Humidifier & Aroma Diffuser - White - Front_Zoom
    Top comment

    "The best large humidifier around!...I can honestly say this is the best large room humidifier I have ever used. It really does give enough humidity in a large space and is almost silent which is great if it’s in a bedroom. ...This humidifier is great for large rooms. The color changing led lights for the night light is fun. "

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    Product Description

    The perfect humidifier and diffuser to keep your family healthy and happy. With its large 1.2 Gal. accessible tank and dishwasher safe parts, cleaning is so simple. Not to mention, its mist output runs for over 24-hours in a large size room and it works as a diffuser for essential oils and vapor liquids. It's optional color changing nightlight is also a great additional feature that gives off a soothing glow. Crane’s top fill ultrasonic cool mist humidifier and aromatherapy diffuser provides up to 500 sq. ft. of coverage and 24 hours of soothing moisture to help relieve the effects of dryness and congestion, helping you and your family to breathe easy and sleep through the night peacefully.
    See all Essential Oil Diffusers
    Top comment

    "The best large humidifier around!...I can honestly say this is the best large room humidifier I have ever used. It really does give enough humidity in a large space and is almost silent which is great if it’s in a bedroom. ...This humidifier is great for large rooms. The color changing led lights for the night light is fun. "

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    Product Description

    The perfect humidifier and diffuser to keep your family healthy and happy. With its large 1.2 Gal. accessible tank and dishwasher safe parts, cleaning is so simple. Not to mention, its mist output runs for over 24-hours in a large size room and it works as a diffuser for essential oils and vapor liquids. It's optional color changing nightlight is also a great additional feature that gives off a soothing glow. Crane’s top fill ultrasonic cool mist humidifier and aromatherapy diffuser provides up to 500 sq. ft. of coverage and 24 hours of soothing moisture to help relieve the effects of dryness and congestion, helping you and your family to breathe easy and sleep through the night peacefully.
    See all Essential Oil Diffusers
    See all Essential Oil Diffusers
  4. Homedics - TotalComfort Plus Ultrasonic Humidifier-3.7L Top Fill - Black - Front_Zoom
    Top comment

    "[This review was collected as part of a promotion.] I love this humidifier. The best feature is the large water capacity. ...Perfect Humidifier!...I love the big tank too."

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    Product Description

    The HoMedics TotalComfort Plus Ultrasonic Humidifier produces a visible warm or cool mist for up to 65 hours of runtime. The warm mist setting kills up to 99.9% of bacteria so you can breathe easier knowing you’re helping to protect against germs. A night-light, essential oil tray, and auto-off timer ensure ambiance and premium air quality control in large rooms up to 547 sq. ft. The 1.4-gallon tank features Clean Tank Technology that helps protect the tank from mold and mildew.
    See all HoMedics Air Purifiers and Humidifiers
    Top comment

    "[This review was collected as part of a promotion.] I love this humidifier. The best feature is the large water capacity. ...Perfect Humidifier!...I love the big tank too."

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    Product Description

    The HoMedics TotalComfort Plus Ultrasonic Humidifier produces a visible warm or cool mist for up to 65 hours of runtime. The warm mist setting kills up to 99.9% of bacteria so you can breathe easier knowing you’re helping to protect against germs. A night-light, essential oil tray, and auto-off timer ensure ambiance and premium air quality control in large rooms up to 547 sq. ft. The 1.4-gallon tank features Clean Tank Technology that helps protect the tank from mold and mildew.
    See all HoMedics Air Purifiers and Humidifiers
    See all HoMedics Air Purifiers and Humidifiers
  5. CRANE - 1.2 Gal. UV Light Warm & Cool Mist Humidifier with Remote - Gray - Front_Zoom
    Top comment

    "Really like this humidifier. I’ve been using it for a few weeks and it hasn’t gotten nearly as gross as other humidifiers I’ve tried. ...Powerful Humidifier with Lots of Features...The mist shoots out very high into the air also, which is great because I feel like it doesn’t end up puddling as much as other humidifiers. It is a little on the larger side... you definitely need a big space to place it. "

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    Product Description

    The perfect warm and cool mist humidifier to keep your family healthy and happy. With its large 1.2 Gal. accessible tank cleaning is so simple. Not to mention, its mist output runs for over 24-hours in a large size room and it includes an easy to use remote and humidistat. It's built in aroma try make it usable with any essential oils. Crane’s premium top fill ultrasonic cool mist humidifier provides up to 500 sq. ft. of coverage and 24 hours of soothing moisture to help relieve the effects of dryness and congestion, helping you and your family to breathe easy and sleep through the night peacefully.
    See all Humidifiers
    Top comment

    "Really like this humidifier. I’ve been using it for a few weeks and it hasn’t gotten nearly as gross as other humidifiers I’ve tried. ...Powerful Humidifier with Lots of Features...The mist shoots out very high into the air also, which is great because I feel like it doesn’t end up puddling as much as other humidifiers. It is a little on the larger side... you definitely need a big space to place it. "

    See all customer reviews

    Product Description

    The perfect warm and cool mist humidifier to keep your family healthy and happy. With its large 1.2 Gal. accessible tank cleaning is so simple. Not to mention, its mist output runs for over 24-hours in a large size room and it includes an easy to use remote and humidistat. It's built in aroma try make it usable with any essential oils. Crane’s premium top fill ultrasonic cool mist humidifier provides up to 500 sq. ft. of coverage and 24 hours of soothing moisture to help relieve the effects of dryness and congestion, helping you and your family to breathe easy and sleep through the night peacefully.
    See all Humidifiers
    See all Humidifiers
  6. Levoit - Aerapy Hybrid 1.6 Gal Ultrasonic Humidifier - White - Front_Zoom
    Top comment

    "Nice Humidifier!...I now have two Levoit humidifiers. Work great and love the remote too!...The best humidifier I have owned....I have been using the humidifier for a while now, and it is the best humidifier i have ever owned. "

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    Product Description

    With warm and cool mist settings, adjustable humidity levels, and up to 36 hours of continuous use, the Levoit Hybrid Ultrasonic Humidifier transforms your environment, creating a cozy atmosphere that’s just to your liking. Enjoy undisturbed sleep with the Display Off feature and near-silent noise levels. With a mist output of up to 500 mL/hr, the humidifier provides plenty of coverage for spaces as large as 750 sq ft­ or 70 sq m, easily handling bedrooms, living rooms, offices, and nurseries. And for extra comfort, you can add essential oils to the aroma box to spread soothing aroma throughout the house.
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    Top comment

    "Nice Humidifier!...I now have two Levoit humidifiers. Work great and love the remote too!...The best humidifier I have owned....I have been using the humidifier for a while now, and it is the best humidifier i have ever owned. "

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    Product Description

    With warm and cool mist settings, adjustable humidity levels, and up to 36 hours of continuous use, the Levoit Hybrid Ultrasonic Humidifier transforms your environment, creating a cozy atmosphere that’s just to your liking. Enjoy undisturbed sleep with the Display Off feature and near-silent noise levels. With a mist output of up to 500 mL/hr, the humidifier provides plenty of coverage for spaces as large as 750 sq ft­ or 70 sq m, easily handling bedrooms, living rooms, offices, and nurseries. And for extra comfort, you can add essential oils to the aroma box to spread soothing aroma throughout the house.
    See all Humidifiers
    See all Humidifiers
  7. Homedics - Top Fill Cool Mist Ultrasonic Humidifier - Large - Front_Zoom
    Top comment

    "Excellent humidifier...Excellent humidifier. Does the job and is quiet. Love the large tank....I love this humidifier...By by far the total comfort Deluxe large room ultrasonic humidifier is my favorite of all humidifiers, I've purchased many humidifiers and I've never seen a humidifier like this one. "

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    Product Description

    The HoMedics Top Fill Cool Mist Ultrasonic Humidifier. Breathe easier, sleep better. Ultrasonic, high-frequency technology converts water into a cool, fine mist that effectively adds moisture to the air. The easy-to-fill, easy-to-clean, top-fill tank holds 1.47 gallons of water, offers a runtime of up to 70 hours, offers whisper-quiet technology, and is ideal for family rooms and bedrooms up to 426 sq. ft.*. With all its bells and whistles, the Total Comfort Deluxe is a great addition to any home.
    See all Humidifiers
    Top comment

    "Excellent humidifier...Excellent humidifier. Does the job and is quiet. Love the large tank....I love this humidifier...By by far the total comfort Deluxe large room ultrasonic humidifier is my favorite of all humidifiers, I've purchased many humidifiers and I've never seen a humidifier like this one. "

    See all customer reviews

    Product Description

    The HoMedics Top Fill Cool Mist Ultrasonic Humidifier. Breathe easier, sleep better. Ultrasonic, high-frequency technology converts water into a cool, fine mist that effectively adds moisture to the air. The easy-to-fill, easy-to-clean, top-fill tank holds 1.47 gallons of water, offers a runtime of up to 70 hours, offers whisper-quiet technology, and is ideal for family rooms and bedrooms up to 426 sq. ft.*. With all its bells and whistles, the Total Comfort Deluxe is a great addition to any home.
    See all Humidifiers
    See all Humidifiers
  8. Levoit - Dual 150 .79 gallon Top-Fill Ultrasonic Humidifier - White / Wood - Front_Zoom
    Top comment

    "Great humidifier...I got this humidifier for my son, and it has helped with his congestion a ton. ...Humidifier and Diffuser in One...From the adjustable mist controller to the large reservoir with automatic shut off, this is the perfect humidifier for my bedroom. "

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    Product Description

    Skip dry air every season with the Dual 150 Ultrasonic Cool Mist Humidifier, featuring ultrasonic mist, top-fill design, and aromatherapy. The humidifier’s 0.79 gal / 3 L tank offers up to 25 hours of mist while effectively covering spaces as large as 290 sq ft / 27 sq m. You can enjoy up to 25 hours of continuous mist on the lowest setting. When it’s time for bed, try adding a soothing essential oil to the water tank to help you drift off to sleep. The healthy humidity can help relieve unpleasant symptoms like coughing, congestion, and runny noses.
    See all Humidifiers
    Top comment

    "Great humidifier...I got this humidifier for my son, and it has helped with his congestion a ton. ...Humidifier and Diffuser in One...From the adjustable mist controller to the large reservoir with automatic shut off, this is the perfect humidifier for my bedroom. "

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    Product Description

    Skip dry air every season with the Dual 150 Ultrasonic Cool Mist Humidifier, featuring ultrasonic mist, top-fill design, and aromatherapy. The humidifier’s 0.79 gal / 3 L tank offers up to 25 hours of mist while effectively covering spaces as large as 290 sq ft / 27 sq m. You can enjoy up to 25 hours of continuous mist on the lowest setting. When it’s time for bed, try adding a soothing essential oil to the water tank to help you drift off to sleep. The healthy humidity can help relieve unpleasant symptoms like coughing, congestion, and runny noses.
    See all Humidifiers
    See all Humidifiers
  9. Pure Enrichment - HumeXL Pro 1.3 Gal. Warm and Cool Mist Humidifier - Black - Front_Zoom
    Top comment

    "It works really well in my large bedroom and makes very minimal noise!...Wonderful humidifier...I love this humidifier. Love the remote control that works from across my large bedroom! "

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    Product Description

    Enjoy the benefits of two humidifiers in one with the HumeXL Pro Warm & Cool Mist Humidifier from Pure Enrichment. The sleek and modern digital display gives you the option of achieving your ideal level of humidity with energy-saving cool mist or bacteria-killing warm mist. Whatever setting you choose, the large 5-liter tank provides hours of humidification therapy to help alleviate the most common symptoms associated with dry air.
    See all Humidifiers
    Top comment

    "It works really well in my large bedroom and makes very minimal noise!...Wonderful humidifier...I love this humidifier. Love the remote control that works from across my large bedroom! "

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    Product Description

    Enjoy the benefits of two humidifiers in one with the HumeXL Pro Warm & Cool Mist Humidifier from Pure Enrichment. The sleek and modern digital display gives you the option of achieving your ideal level of humidity with energy-saving cool mist or bacteria-killing warm mist. Whatever setting you choose, the large 5-liter tank provides hours of humidification therapy to help alleviate the most common symptoms associated with dry air.
    See all Humidifiers
    See all Humidifiers
  10. CRANE - 1 Gal. Drop Ultrasonic Cool Mist Humidifier - Blue - Front_Zoom
    Top comment

    "decent small humidifier....decent humidifier for small closed rooms, otherwise doesn't make a big difference. needs to be refilled daily and I wish it would fill from the top of the tank instead....Medical ventilators often include humidifiers for increased patient comfort."

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    Product Description

    Get relief from cold and flu symptoms and bring wellness to your entire family in style with a Crane Drop Humidifier. With an award winning design & top rated performance, Crane’s 1.0 Gal. Drop ultrasonic cool mist humidifiers provide up to 500 sq. ft. of coverage and 24-hours of soothing moisture to help relieve the effects of dryness and congestion. This unit is an all-natural, non-medicated relief from dryness, cough, cold and flu symptoms, helping you and your family breathe easy and sleep through the night peacefully.
    See all Humidifiers
    Top comment

    "decent small humidifier....decent humidifier for small closed rooms, otherwise doesn't make a big difference. needs to be refilled daily and I wish it would fill from the top of the tank instead....Medical ventilators often include humidifiers for increased patient comfort."

    See all customer reviews

    Product Description

    Get relief from cold and flu symptoms and bring wellness to your entire family in style with a Crane Drop Humidifier. With an award winning design & top rated performance, Crane’s 1.0 Gal. Drop ultrasonic cool mist humidifiers provide up to 500 sq. ft. of coverage and 24-hours of soothing moisture to help relieve the effects of dryness and congestion. This unit is an all-natural, non-medicated relief from dryness, cough, cold and flu symptoms, helping you and your family breathe easy and sleep through the night peacefully.
    See all Humidifiers
    See all Humidifiers
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