SimerSure

Top Fill Humidifier 2L Water Tank for Bedroom 28H Long Lasting New White Air Humidifier for Large Room

4.6(31)

66+ bought in the past month

$19.99$31.99

About this item

  • Top Fill Design & Easy Cleaning – The SimerSure humidifier features a convenient top fill 2L water tank, making refills and cleaning quick and mess-free, perfect for busy homes and offices.
  • Long Lasting 28H Runtime – With its 2L capacity, this humidifier delivers up to 28 hours of continuous cool mist, providing day and night comfort in bedrooms, nurseries, and large rooms.
  • Ultra Quiet 25dB Operation – Designed with advanced noise-reduction technology, it runs at just 25dB, creating a peaceful environment for babies, plants, sleep, and work.
  • Cool Mist Function – Not only adds moisture, but also helps reduce dryness and refresh indoor air, creating a healthier and more comfortable home or office environment.
  • Compact & Stylish White Design – The modern gray-white finish complements any décor. Lightweight at 1.8 lbs, easy to place in bedrooms, living rooms, offices, or next to plants.
$19.99
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Product details

BrandSimerSure
Special FeatureAuto Shut Off
ColorNew White
Capacity2 Liters
Floor Area280 Square Feet

Technical specifications

brandSimerSure
special_featureAuto Shut Off
colorNew White
floor_area280 Square Feet
operation_modeUltrasonic
product_dimensions6.7"D x 5.8"W x 8.2"H
item_weight1.8 pounds
room_typeBedroom
model_nameTop Fill Humidifiers for Bedroom
included_components2L Top-Fill Cool Mist Humidifier
voltage120 Volts (AC)
wattage26 watts
shapeRound
manufacture_year2025
item_model_numberK807
best_sellers_rank#12,940 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #69 in Humidifiers
date_first_availableNovember 22, 2025

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Customer reviews

4.631 ratings
★★★★★

No leaks and easy to fill

Casey R.December 6, 2025

So far I'm loving this little humidifier. It's not too large on the table top, but it is enough water to last all night (9 or 10 hours). It keeps our room moist enough that I am not coughing at night, but not so moist that it feels like a jungle. We have a rather large bedroom, so it's impressive that this little humidifier can keep up. It's super easy to use. Simply turn the dial to the amount of moisture you want to put out. I have a rubber mat beneath it, but so far there have been no water leaks at all. The only time the mat gets wet is from the condensation built up on the interior of the lid when I take it off to refill the tank. I have filled this with boiled or distilled water. I used it all week, and I decided to clean it this morning. But, there was no visible residue in it. I do hope that it doesn't build up limescale or residue, because it is very tight to get your hand into it to clean it. I have petitie hands and they just barely fit. A bottle brush would probably be the best option. It does come with a thin cleaning brush which will probably be good for anything built up inside the little crevices. It's pretty quiet, but it does make its own little noises that I am still getting used to. My old humidifier sounded more like water bubbles moving through it, and I have to admit I like that sound better than this one. Generally, this is very quiet. This morning it was running low on water and started to make a little clicking noise. I'm a light sleeper and that irritated me a bit. I cannot speak to the durability or longevitiy of this product as we have only used it a little over a week. So far so good. Other humidifiers I have purchased in a similar price range generally last only a couple of winter seasons. I wish they'd all last longer! Read more

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★★★★★

Quiet Powerhouse for the Bedroom

BogartOctober 30, 2025

I picked up this humidifier mostly because I needed something effective but ultra-quiet for my master bedroom. I’m a light sleeper, and my old unit used to gurgle and click constantly. This one runs at just 25dB, and I can confirm it's barely audible—just a gentle, consistent hum that actually helps me with my sleep quality.The top-fill design is a huge functional improvement. I used to spill water every time I tried to refill my old one, but this is totally mess-free and quick to do right before bed. The 2-liter water tank is plenty for my room; I get a solid two nights out of it without needing a refill, which is a big win for consistency. I've had zero issues with leaking, which is always a concern with humidifiers. If you need a powerful, quiet, lifespan, and simple humidifier for a large bedroom space, this is a solid product. Read more

★★★☆☆

good for a small area or workspace.

SarandrewOctober 19, 2025

This is quiet and ideal for a desk at work or very small space. I underestimated how big it would be, and because of the capacity its features are limited. On high, this cranks. So much so that it set off my smoke detector by getting my kids room up to 80% humidity — whoops. But anything not high, is pretty low and it will run for darn near 2 days before need a refill. I wish it had a light feature, and wish the exit valve was directional. But its small enough to travel well, and efficient enough to get it done. I prefer the features I get from my homedics humidifier which are larger and in the same price range as this. So all in all, it functions well enough, its just not exceptional. Also, box arrived beat up but the humidifier is sturdy and was not impacted at all. Read more

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★★★★★

No fancy smarts, but it hums along and stays quiet.

da fu and PeterNovember 5, 2025

Lift the top cover, and I’ll pour 2 liters of water in directly! I placed this white humidifier in my mom’s bedroom. A twist of the knob lets me control the mist output—there are no fixed levels, so it’s really easy to use. It needs to be connected to a power cord to work, and it comes with a transparent water tank—I can tell at a glance when it needs refilling. Compared to smart, cordless models, I think it’s much better suited for spots that require constant humidification. It runs quite quietly at night. Mom usually turns the mist down a little, which allows it to easily last the whole night without having to get up for a refill in the middle of the night. Read more

★★★★★

Best Humidifier I've Ever Owned - Quiet, Efficient, and Stylish!

Wharton MillerOctober 18, 2025

I can't say enough good things about this SimerSure humidifier! As someone who suffers from dry sinuses and skin during winter, this has been a game-changer. The top-fill design is brilliant - no more struggling to flip a heavy tank or making a mess. I just remove the lid and pour water directly in. The 2L capacity lasts me almost two full days on medium setting, which is perfect for my bedroom. What really impresses me is how quiet it is - at 25dB, I can barely hear it running even on high, making it ideal for light sleepers like myself. The cool mist is gentle but effective, and I've noticed a significant improvement in my skin and breathing since using it. The gray-white design is sleek and modern, blending seamlessly with my decor. Cleaning is a breeze too, thanks to the wide opening. I've tried several humidifiers over the years, but this one beats them all in terms of performance, convenience, and style. Highly recommend! Read more

★★★★☆

Awesome little unit, but...

NidiraNovember 24, 2025

If there's an automatic shut-off feature on this humidifier, it didn't get the memo. It will gleefully keep running after the tank is nearly dry, so I do have to get up to check and refill it so that it doesn't damage itself and my nose doesn't sting from fldey air. Other than that, this is a great little humidifier. The mist spreads pretty far and saturated the air well, the unit is very quiet, and it really is super easy to fill and easier still to operate. It's small enough to be tucked away (somewhere with decent airflow) if you please. We're going into winter, so this thing will be used HEAVILY. Read more

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