by | Sep 9, 2020 | Gardening, Reviews, Z

Last Updated: Sep 17, 2020 @ 10:38 am.

What's the best indoor plant humidifier? We tried out several compact humidifier models that are perfect for plants and then did 9 hours of additional research, comparing test results and real-world experiences. Which were easiest to clean? Lasted the longest on a single refill? Here are the models we'd recommend.

FYI: We've been reviewing and rating products for the home and families since 1994. To keep things independent, we don't take money or freebies from brands we review! Our work is 100% reader-supported!


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Best Easy To Clean Humidifier

8 hours of mist on high setting
Loved this narrow profile humidifier for its ease of use: simple controls, auto-shut off and good mist output. We liked how quiet it is . . . about 32 dB. Caveat: doesn't work with essential oils.
$17.99

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Best Easy To Clean Humidifier: Raydrop Cool Mist Humidifiers

When it comes to the best humidifiers for indoor plants, we looked for models that were compact (narrow enough to fit on a shelf) and easy to clean. Most of these models are on the small side . . . but some are smaller than others. 

How easy or difficult to clean a humidifier is easily a deal breaker for a good plant humidifier—when you use tap water, minerals and detritus can collect in the tank and humidifier body. We looked for models with a wide tank opening (to get your hand inside to clean) and designs that didn’t have many cracks and cervices where dirt can hide.

After trying out several models and researching a dozen more, we decided Raydrop’s Cool Mist Humidifier is the easiest to clean humidifier for indoor plants. This excellent humidifier is super easy to use . . . and we loved the tall, slender profile (which fits nicely on a plant shelf). Here’s more:

What We Liked

• Quiet. 

• No filter to replace.

• Easy to fill.

• Easy to clean.

• Looks nice.

• Narrow profile fits nicely on desk or plant shelf.

• Lasts about 8 hours on high setting.

• Auto shut-off.

• 1.7 liter tank.

What Needs Work

• Cord could be longer.

• Can’t see the water level in tank.

• Not recommended for essential oils. If you want to add essential oils to your humidifier, some models are designed for that. This isn’t one of them!

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Best Budget-Friendly

4 hours of mist on high setting
Compact, mini humidifier does the trick—quiet, easy to use and easy to fill. We liked the LED night light and cute design with clear tank bottom to indicate water level. USB powered.
$17.99

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Best Budget-Friendly: SmartDevil Small Humidifier

If the budget is tight, this mini humidifier does a good job . . . at a price that doesn’t break the bank. We liked its simple, see-through design and LED night light. Here’s more:

What We Liked

 Super compact size (roughly 4″ wide and tall.).

• Cotton swab filter.

• USB powered.

• LED night light has 2 modes.

• Auto-shut off.

• Works with tap or mineral water.

• Great for tropical plants.

What Needs Work

• Small tank (500 ml) = short run time. In real world testing, this humidifier runs for about 4 hours. Not bad, but not designed for overnight use. Then again, if you are using this humidifier for indoor plants, four hours may be just the right amount of mist.

• Doesn’t work with distilled water. 

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Best Longer Run Time

20 hours of mist on high setting
This vase-shaped humidifier fits nicely on a bedside table or plant shelf. Great for ferns, this model is quiet and easy to use. Caveat: can't use with essential oils. And it could be easier to clean.
$49.99

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Best Longer Run Time: Miroco Cool Mist Humidifier

It’s the classic trade-off for humidifiers: compact, mini humidifiers are cute. But their small tanks mean you have to frequently refill them . . . some last for only four hours. 

If you’d prefer a model with a longer run time, we’d recommend Miroco’s Cool Mist Humidifier. The quality of this humidifier impressed us—and its sleek look fits nicely into most decor schemes. As a plant humidifier, it does its job without standing out.

What We Liked

• 20 hours of run time on high setting. If you are using this humidifier at night for a bedroom, it will last for a couple of nights before refilling. The maker says it runs for 60 hours on low setting.

• Easy to use.

• Easy to clean.

• Quiet.

• Visible water gauge on tank.

• Includes cleaning brush.

• Night light.

What Needs Work

• Gurgling. Yes, this humidifier is quiet . . . but it occasionally gurgles when water flows from the tank to the humidifier chamber. That didn’t bother us, but some light sleepers might not like it.

• Pricey.

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Best Looking Humidifier

8 hours of mist on high setting
This vase-shaped humidifier fits nicely on a bedside table or plant shelf. Great for ferns, this model is quiet and easy to use. Caveat: can't use with essential oils. And it could be easier to clean.
$35.99

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Best Looking Humidifier: TaoTronics Humidifiers

We know—some humidifiers leave somewhat to be desired in the looks department. If you are using a humidifier for indoor plants in a visible space like a living room, it’s nice to have a humidifier that doesn’t look like a science experiment.

For the best-looking humidifier, we’d give the nod to TaoTronics model TT-AHO66. This vase-shaped humidifier did well in real-world testing and was the most attractive models on the market today (in our humble opinion). Here’s more: 

What We Liked

• Easy to use.

• No filter to replace.

• Excellent for ferns.

• Auto shut-off.

• Quiet.

• Narrow profile fits nicely on a desk or bedside table.

• Large 1.8 liter tank = good run time. Real world testing is about 8 hours on the high setting. That will last through the night for most folks.

What Needs Work

• Doesn’t work with essential oils.

•  Could be easier to clean.

Why Trust Us

We’ve been rating and reviewing products for the home and families since 1994. We do hands-on testing—we buy products with our own money and evaluate with an eye toward quality, ease of use and affordability. For models we don’t personally test, we tap our large network of parent readers to get their real-world feedback.

Here’s another key point: we don’t take money from the brands we review. No free samples, no sponsors, no “partnerships.” Our work is 100% reader-supported!

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