10 Best Humidifier For Grow Room of December 2025

• Automatically Shuts Off When Desired Humidity Level is Reached or When Unit is Empty
• Trapmax Filter Technology with Protection
• Check Filter and Water Refill Indicators
• Easy to Use Pour-in-Fill.Voltage:120 V
• Digital Controls with Auto Humidistat. The maximum run time is 70 hours and the capacity is 6 gallons

AIRCARE

• QUIET HUMIDIFIER FOR BEDROOMS: Moisturizes the air at a low noise level of just 26dB ensuring you get a quieter and more restful sleep, no water dripping or beeping noise, perfect cool mist humidifier for bedroom, baby, kids, nursery and nightstand.
• 4L LARGE CAPACITY TANK: With over 1.06 gallon of water, the humidifier lasts for 12-50 hour working time on a full tank; designed to humidify the air in large rooms up to 20-40 m² / 215-430 ft².
• EASY TO CLEAN HUMIDIFIER: 92mm wide opening allows you to refill and clean the ultrasonic humidifier with ease and convenience, ensures healthy air for your family. Built-in handle for convenient carrying.
• HUMIDIFIER WITH LOW WATER WARNING: The ultrasonic air humidifier will stop misting to prevent the device from overheating when the water's drained. Nano-coating protects the circuit boards from moisture, so the cool mist humidifier can last for years.
• POWERFUL MIST: The air humidifier delivers long-range mist via the 360 rotatable nozzle at a height of up to 2ft to efficiently humidify your room quietly and effectively. Dustproof sponge prevents dust from entering the humidifier with a lengthy life span.
• COUGH & CONGESTION RELIEF: TaoTronics humidifiers provide temporary relief from coughing & congestion due to colds or allergies. Help you breathe easier wherever you are, from the bedroom to office.

TaoTronics

• Highly recommend reverse osmosis water

Horticat

• REMOTE CONTROL & LARGE CAPACITY: You are free to control this ultrasonic humidifier! Just stay in the bed or crouch on the sofa, then you can set the device as you wish via the handy remote within 6 meters! Comes with 4.5L large tank, you can expect up to 35- hour continuous use.
• MAKE YOUR LIFE BETTER: Place the ultrasonic humidifier in your garden, then you can expect the plants flourish. Place it in kid’s room, your baby will sleep better because the device keeps the air quality balanced. Absolutely, the spraying mist enables you to breathe easily and achieve moister skin!
• LARGE LED DIGITAL SCREEN: With a large LED screen, you can get the information like humidity, temperature and settings easily on both day and night! You can manually turn on the sleep mode for quieter running without lights too.
• CUSTOMIZED TIMERS & CHILD LOCK: Want to schedule the working time? No problem. The ultrasonic humidifier lets you freely set the timer from 1 to 12 hours! Moreover, the child lock function can lock the control panel to prevent your little kids away from any risk due to accidental or wrong button operation.
• ORIGINAL FILTER & AROMATHERAPY: Search Elechomes HTJ-2119 F-ilter to help soften the water and make the mist finer and more comfortable. The package includes a f-ilter and 2pcs cotton pad. Add essential oils and enjoy the lightness of the mind and body.

Elechomes

• NOTE: DON'T ADD ESSENTIAL OIL; One Refill for 30 Hrs: perfect gift in the dry winter! 5L/1.32 Gallon huge capacity provides quality and consistent cool mist in whisper-quiet for up to 40 hours use with just one refill, covers 320 square.ft spaces for bedrooms, offices, babies, kids and large rooms, perfect for full - home solution. We provide a LIFETIME WARRANTY, please try to contact the seller if there is an issue.
• Humidistat & Gauge Digital: LED touch screen, real-time humidity and temperature displays, mist mode and timer. 3 adjustable vapor, 12 hrs timer, sleep mode and auto humidistat, services as a humidity thermometer. It will automatically shut off with beeps when runs out of water. NOTE: Do not place the humidifier on a carpet or towel, improper placement can block the air-intake vent, causing water leak or device damage!
• Filter-Free: made of ANTIBACTERIAL MATERIAL to prevents mold buildup and keeps air fresh, easy to clean, no filter needed for saving more bills. Healthier moisture can help you to fight with dry skin, throat, wrinkles, allergy, insomnia and nosebleeds. Using tap water with a high mineral content aka "hard water" with any humidifier can cause fine white dust to be emitted. To avoid this, please use distilled or demineralized water.
• Portable & Space - Saving: the best humidifiers to moisten the air in your office! Sleek cylindrical design covers less than half a A4 paper, fitting narrow space and keep your desk tidy. 22 inches height and light mist ensure no more wet floor! NOTE: no towel, no carpet!
• Safe & Automatic Power-off: Vaporizer will be auto-off with red indicator light flashing when it is short of water or moved thanks to the built-in dynamic buoy. The base made of ABS material can effectively prevent water leakage.

PROALLER

• OPTIMUM PERFORMANCE — Deep-pitched blades pull large volumes of dry air through two humidifying filters, and then circulate the humidified air throughout the room using Vornado's signature Vortex Action, providing complete and uniform humidification in spaces up to 1, 000 sq. ft.
• LARGE CAPACITY — The 4-gallon capacity provides up to 4-gallons of water output in 24 hours when operated continuously on high, allowing for long, uninterrupted operation and fewer refills.
• SIMPLE CONTROLS — Control panel allows you to select your fan speed (low/750 RPM, medium/1150 RPM, or high/1600 RPM) and your desired humidity level using the humidistat dial.
• LOW MAINTENANCE — Two spill-proof and leak-free removable tanks are simple to clean and easy to refill.
• INTELLIGENT HUMIDIFICATION — Evap40 senses how much humidity and circulation is needed to maintain your ideal environment and makes adjustments automatically. Assembled in the USA.
• SUPERIOR SUPPORT — When you choose a Vornado humidifier, you’re investing in superior performance and design that will deliver total satisfaction. If not, we’ll replace it, for 5 years. Supported by a customer service team based in Andover, KS.
• Built to meet U. S. voltage requirements. Certified, safety-tested, and warrantied for use only in the U. S.

Vornado

• PURIFY YOUR AIR: VIVOSUN Mini Dehumidifier has small and compact design with 400ml capacity per day can efficiently purify air in enclosed, small rooms and spaces including wardrobes, larder, basement and so on. It is energy-efficient so it can efficiently absorb moisture without racking up your energy bill
• MODERN DESIGN: It perfectly fits in corners and small spaces（215-269 Sq Ft. With its clean appearance and built-in handle you can easily manage to move your Dehumidifier to different rooms as you need
• EASY TO USE: VIVOSUN Mini Dehumidifier is ultra simple to use and operate. Just plug it in, turn on the button, then let it run its continuous 24-hour cycle until the water tank is full. This Dehumidifier operates in a low noise so it will not disturb you
• AUTO SHUT-OFF FUNCTION: When approximately 1.3L of water is collected, this dehumidifier shuts off automatically and triggers a"Red" LED indicator light to remind you that water is ready for removal. It makes the dehumidifier convenient for closest, drying rooms, mud rooms, bedrooms, showers, and other places
• VIVOSUN'S GUARANTEE: We provide a 1-year warranty for this Mini Dehumidifier. We promise to fix any problem and answer to your questions as quickly as we can. We have unmatched customer service record and we are always available to assist our customers. Please contact us immediately without hesitation

VIVOSUN

• Humidity measuring range: 5~99.99%RH; Humidity control range: 5~99%RH; Accuracy: ±3%RH
• Control humidity by setting value and differential value; Delay protection for Control output; Query current temperature
• Switch the modes between humidification and dehumidification automatically;Calibrate the humidity value;
• Alarm when sensor error or humidity exceeds limit;
• Alarm when humidity exceeds high/low humidity setting value;

Inkbird

• This excellent quality humidifier features a multi-directional fogging head
• The coverage is from 160 to 320 sq ft, depending on humidification requirements and ceiling height
• Maximum output is 75 pints per day
• Volume (cf):2.001

Ideal-Air

• 4L Tank Capacity, Works for All Night: Over a gallon of water lasts for 12-30 hour working time on a full tank; designed to humidify the air in rooms up to 10-30 m² / 107-322 ft², bedroom, nursery, office and so on
• Informative LED display: Built-in Humidistat tells you the current RH; Easily choose between three mist levels; Set your desired humidity level, 40-60% is recommended
• Nightlight & Sleep Mode: Choose to turn on the nightlight, or enter sleep mode to shut off LED screen for a discreet sleep at night
• Safe to Use: Automatically shuts off when water runs out; Microporous cartridge filters the water from micro-organisms and bad odor, we recommend you change filters every 4-6 months
• Please do NOT use with essential oils, which will damage the machine and cause leakage problem.
• Cough & Congestion Relief: TaoTronics humidifiers provide temporary relief from coughing & congestion due to colds or allergies. Help you breathe easier wherever you are, from the bedroom to office

TaoTronics