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Better Homes & Gardens

For houseplant lovers , few things are worse than watching your once - flourish plant succumb to dry , winter air . Humidifiers are a key dick to keeping many popularhouseplants happy in the wintertime .

“ Contrary to popular belief , most plant do not want super high humidity but some do , ” saysChristopher Satch , professor of plant biology and pathology at The New York Botanical Garden and CEO and father of NYC Plant Help . “ Orchids , ferns , other epiphytes , and mount flora absolutely need higher humidity to do well . I have personally used humidifiers to keep my fern looking fresh all winter . ”

hand pouring water into Levoit Oasismis Humidifier

Credit:Better Homes & Gardens

Even if your plant is n’t one of the above , a modest humidifier may avail it thrive , especially if your dwelling house ’s heating system makes your air drier than the recommend 30 % to 60%humidity point indoors .

What We Tested

To help you feel the right burst for your indoor oasis , our team try out 65 humidifiers in our testing lab and in our own homes , measuring each gadget ’s power to raise the humidity in the room and how much water it used over various lengths of times and on different setting . We also considered how well-off it was to clean the twist and its overall value liken to the price . For more on how we screen humidifiers , insure out ourtesting processbelow .

Best Overall

Levoit OasisMist Smart Humidifier

The compatible app includes sassy plant care feature of speech alongside the received controls .

The filters should be replace on a regular basis , which will append to your long - term price .

After testing 65 humidifiers , there ’s just one we commend to posture aside your plants : the Levoit OasisMist 450S. Not only is it incredibly in force at bring wet to the air , it offers multiple works - well-disposed feature that specify it aside from other humidifiers we ’ve prove .

Levoit OasisMist 450S Smart Humidifier

Credit: Amazon

The most helpful feature when it comes to plant maintenance is the free compatible smartphone app , VeSync . Not only will the app advise you when the humidifier runs out of water , but it also has an entire section devoted to imbed care , include schedules for lachrymation and fertilizing as well as charge reminders . Inside the app , you may monitor humidness story , sic your humidifier on a schedule , and tack the mist temperature between nerveless and fond . These canonic preferences can be align on the social unit itself as well , which we found easy to control . There ’s also a digital display with an internal hygrometer that reads the humidity level near the twist , making it light to monitor from across the room .

The humidifier ’s mist can strive up to 3.9 feet , making it a good choice for taller plants . The mist can also be directed in two different counsel with the dual 350 - degree nozzles , allowing you to point multiple flora at once .

When prove the humidifier ’s performance in our lab ’s 430 - solid - foot room , the Levoit raised humidity degree nearly 15 % on its lowest setting and 28 % on its highest mount when we measured 2 feet by from the unit after eight hours of runtime .

Hand swabbing the interior of the Levoit OasisMist 450S Smart Humidifier

We swabbed the inner crevices of this machine before cleaning it to test how much bacteria it held after use.Credit: Better Homes & Gardens

On the gamey setting , the Levoit used 7.5 loving cup of water over the course of eight hours , which is less than half of its 4.5 - litre capacitance . That means , with day-after-day usage , you ’ll only need to replenish the cooler once a daylight or every two days if using the humidifier on low options or for fewer 60 minutes at a prison term . However , we do n’t recommend letting piss sit in the tank unused for more than a couple of day , as this can chair to bacteria and mineral buildup .

Speaking of buildup , one factor that reach this one of the best humidifiers we ’ve tested is that the army tank is wide-eyed to clean thanks to its unornamented rectangular shape that has minimum crevices for buildup to fall . It take us about six minutes to dispatch a unconstipated dry wash of the tankful . Descaling , which ideally should be completed weekly , lead us about 30 to 40 minutes , though the majority of that time was spent allow the tank to gazump .

Most ultrasonic humidifiers engage filter - free , but the Levoit has two filters that are meant to slow down mineral buildup , especially if you ’re using tap water . Levoit commend substitute thewater filter spongeandmineral absorption padsevery two to four weeks depending on the hardness of your piss . switch packs from the brand retail for less than $ 15 each , which you ’ll need to factor into your long - terminus cost .

Person labeling a sample on a petri dish

Product detail : Type : supersonic |Room Size:430 square feet |Capacity:4.5 liters |Dimensions:10.8 x 6 x 11.97 inch |Run Time:45 hour |Mist Temperature : Warm and coolheaded

Key Terms to Know

Other Humidifiers We Tested

Dreo 713S Humidifier

TheDreo 713Soffers similar standout feature as the Levoit OasisMist — affectionate mist , chic connectivity , and programming — and is a whole option if it ’s on cut-rate sale or if our top pick is out of stock . It did a with child job at moisturise the outer space around the gimmick , and we recorded up to a 70 % increment in humidness at 2 feet away . However , the effectiveness taper off more than usual when we measured from 10 feet off , so it may not be a great alternative for bigger rooms .

Lacidoll 4.2 Gal. Cool Mist Ultrasonic Whole House Humidifier

If your house is especially dry or you have an entire way of houseplants , a large whole - house humidifier could be a good alternative . TheLacidoll 4.2 - Gallon humidifierperformed well , increasing the room ’s humidity between 21 % and 45 % in our tests . However , it lack bright feature film and is turgid than what most exploiter need .

Levoit LV600S Smart Warm and Cool Mist Humidifier

A similar , but larger , option than our top pick , theLevoit LV6000Sis another great choice for plant . It give you the same access to the VeSync app and also has the ability to switch between warm and cool mist . Like the OasisMist , there are filter to help make out mineral buildup . However , we find the LV6000S a bit more unmanageable to cleanse compared to our top pick .

Our Testing Process

We ’ve been test humidifiers since 2022 and have since test 65 fashion model , both in our science laboratory and at base .

In our lab , we place the humidifiers in conference rooms based on the hearty footage testimonial from the maker . Using two hygrometers to measure the humidness levels at 2- and 10 - infantry distances , we ran the humidifiers on low and high configurations for eight hours at a time . During examination , we recorded the humidity levels after one , four , and eight 60 minutes to supervise how cursorily the humidifier added moisture into the room and if it was able to maintain humidness level over longer periods . After those eight hours , we valuate how much water the humidifier used so as to gauge how often the equipment will need to be replenish .

Besides humidness testing , we also evaluate each humidifier based on its features , such as adjustable nozzles , displays , ramp up - in hygrometers , mist temperature configurations , and more . We used smart feature and liken the app controls to the gadget controls to check whether the app was actually helpful . We also noted whether any night - luminousness or noise emitted from the humidifier were distracting for nighttime habit .

Levoit OasisMist 450S Smart Humidifier emitting steam on a black background

After start the gadget , we performed two cleaning tests . One included a standard casual clean and jerk , which involved vacate the tank and houseclean it in a sink with dish grievous bodily harm . If the gadget came with a brush , we used it . We noted how easy it was to contact into every corner of the tank and how many small crevices the gadget has for buildup to pass off . We also descaled the tank car with vinegar to pass judgment how easy it is to deep clear .

Once lab tests were utter , we tested each product in our own homes for six month to supervise their effectiveness and quality over time . We used the humidifiers as a regular home would , placing them on our nightstands or near plants where applicable . While we used distilled piddle in the science lab , we almost always used rap water in our abode , which helped us monitor mineral buildup between cleanup .

What to Know About Humidifiers Before Shopping

Type

There are two maintypes of humidifiers : ultrasonic and evaporative . Ultrasonic humidifiers , like the Levoit , are the most vulgar . For plants , we believe ultrasonic options are the best , and since they ’re more pop , you ’ll find more option with smart features andwarm mist pick .

An supersonic humidifier use speedy vibrations to produce a hunky-dory mist of water system that is released into the air . The shakiness in this humidifier create a oftenness beyond human hearing , which is how the term “ supersonic ” find its way into the name .

supersonic humidifiers tend to be quieter and more vigour effective than evaporative models , but they also involve veritable cleaning to prevent the buildup of mineral deposit . Most ultrasonic manikin function filter - gratuitous , but our top plectrum include a water filter sponge and mineral preoccupation pad to minimize buildup in the tank .

Closeup of the Levoit OasisMist 450S Smart Humidifier

One downside of ultrasonic models is you may notice fine blanched junk on surfaces near the equipment . This is cause by the mineral in your dab piss being released in the mist . Using distilled water system , which is recommended , will lessen this .

On the other hand , evaporative humidifiersoperate mist - free and use a wicking filter and a devotee to evaporate water and release moisture into the air . This lick when a porous filter absorbs H2O from the tank car and a fan bodge the wet into the room .

This eccentric of humidifier can lead to some extra disturbance from the fan , and the filter should be put back often to avoid bacteria and mildew buildup . And in our trial , it took longer to increase a elbow room ’s humidity with an evaporative model .

Person pouring water into a measuring cup over top of the Levoit OasisMist 450S Smart Humidifier

Mist Temperature

Most ultrasonic humidifiers run with coolheaded mist , which is perfectly suitable and effective for humidifying plants , according to Satch . But there are also double - mist mannikin available ( like the Levoit ) that appropriate you to switch between cool and quick mist , which can help increase the temperature surrounding the gimmick .

“ If using a raging humidifier , just ensure that the plant wo n’t get burn by the heat , ” Satch says . “ If you are short on space and need to ram the humidifier by the plant , acool mist humidifiermight be good . ” choose a humidifier with a rotating honker can help direct warm mist away from leaves .

Features

In our trial , most humidifiers did their basic job of moisturize the distance well . But the feature of speech offer by each model is what sets them apart . you may expect to find at least two ( but often more ) tycoon mount on most humidifiers . Many include a timekeeper and auto - shutoff when the tankful is empty . dark igniter and essential oil pads are also fairly common .

For everydayhumidifiers for bedrooms , bright features were n’t a standout , but for plant , we recommend them . The power to set schedules is a great lineament for houseplants , and we loved that the VeSync app offer additional presentment specifically for plant care . App connectivity is also helpful for cleanse reminders and the power to monitor humidity levels from afar .

Care

After years of examination humidifiers , we ’re positive that there is n’t a model that ’s truly hands - free — you’ll always demand to keep up with regular cleanup and maintenance to avoid bacterium buildup . We recommend emptying the cooler between uses , and ideally you should becleaning the tank car daily . Humidifier manufacturer and allergist also commend using distilled water over pat , as “ the high mineral content of tap piddle can actually promote bacterial growth , ” says allergistOmar Waqar , M.D.

However , we love a daily cleansing regime and purchasing gallons of distilled piss is n’t realistic for most users — in our long - term testing , we often went weeks between cleanings and almost always used water faucet water . That ’s why choosing a humidifier with a tank that ’s well-off to strip is so important . We preferred tanks that were little enough to fit under a faucet ( sooner a bathroom faucet , so you may fill and clean without using stairs in a two - report home ) and with minimum crevices that make buildup operose to reach .

“ It ’s also important to call back that these humidifiers often have filter that need to be on a regular basis cleaned or replaced , ” Waqar says . The Levoit ’s filters are comparatively inexpensive , but they will add together significant price over meter , especially if you regularly use the humidifier year - rotund .

Hand swabbing the interior of the Levoit OasisMist 450S Smart Humidifier

Your Questions, Answered

How big of a humidifier do I need for my plants?

It ’s true that larger spaces will ask bigger , more knock-down humidifiers , but unless you have an at - plate glasshouse or a home without awhole - house humidifier , bigger is n’t always better . Extra - large tanks are more unmanageable to clean , and you ’re more potential to pass on orotund sum of money of water supply sit between United States of America , which leads to bacterium increase . But tanks that are too small will need to be refilled more than once a day , which is more of an troublesomeness than it ’s worth .

When shopping for a humidifier , you ’ll find a recommended square footage listed in the ware description . This can assist draw your purchase , but in our tests , we constitute that humidity layer were always significantly gamey the closer we were to the unit of measurement . We recommend take a humidifier that can sit within a few feet of your plants for the in effect solution . That being pronounce , if you plan to utilize warm mist , you ’ll desire to obviate come out the gimmick too close to parting , to avoid burning .

Do all indoor plants need humidifiers?

Most houseplants will grow and survive within the same humidity horizontal surface that are recommend for our homes , which is between 30 % and 60 % . “ For terrestrial industrial plant , humidness is a fillip that makes them grow slimly faster but has otherwise no consequence on the plant ’s health , ” Satch order . “ As long as a houseplant is well - watered , the humidity can be low , and they will do fine . ” However , a humidifier can help these plants flourish and may even aid gallop time between watering . In our test , we found thatplacing humidifiers nearly plantsmade them appear happier and more vibrant .

“ For epiphytes , orchid , and fern , humidity is decisive , ” Satch says . According to Satch , ferns have primitive vascular systems and do not retain water well . orchid and epiphyte are tropic and subtropical plants that mature on trees instead of in the priming coat . They do not have access to the filth , so they have no man-made lake of body of water to run from . Therefore , they demand humidness to keep them from drying out between waterings .

Who We Are

Jessica Comstockis an associate editor in chief focusing on shopping content atBetter Homes & Gardens . She has been our in - theater humidifier expert since 2023 and has farsighted - term tested humidifiers in her own home . To write this article , she trust on insights from our inquiry and examination team . We ’ve been testing humidifiers since 2022 .

This article also includes report fromSydney Vrban , a writer and substance strategian with five age of experience . She consulted withChristopher Satch , professor of Plant Biology and Pathology at The New York Botanical Garden and the CEO and founder of NYC Plant Help . This clause also includes insights from allergistDr . Omar Waqar .

What is BHG Recommends?

Next to all of the products on this list , you may have noticed our BHG Recommends seal of approval . Products that garner the seal have been put through rigorous examination to ensure they ’re deserving a spot in your home . We buy most of the products we try out ourselves , but occasionally we are allow samples by company if purchasing is n’t an choice . In these cases , we habituate the same testing standard we use to screen the purchased products .

Person labeling a sample on a petri dish

Levoit OasisMist 450S Smart Humidifier emitting steam on a black background

Closeup of the Levoit OasisMist 450S Smart Humidifier

Person pouring water into a measuring cup over top of the Levoit OasisMist 450S Smart Humidifier

A person adjusting the Levoit LV600S Smart Warm and Cool Mist Humidifier

Credit:Better Homes & Gardens

Hand holding a digital thermometer and humidity reader next to the Levoit OasisMist 450S Smart Humidifier

The Levoit OasisMist Smart humidifier showed a difference in the humidity on our thermometer during testing.Credit:Better Homes & Gardens