Best Grow Room Humidifier Reviews and Buyers Guide- Top Picks

When you don’t have enough humidity in the room’s air, you will need a humidifier for increasing the humidity of the grow room to its required level. There are many humidifiers for the human to use in the room. But when you select a humidifier for the grow room or grow tent, you must be careful. It is because the plants are more sensitive. A little change in humidity level of the grow room can affect the growth of any plant. Even it can damage the plant completely. Furthermore, the humidity level is not a matter of concern to the outside farmer. But being an indoor farmer, it is an important thing to consider.

Again, it is not that easy work to find out the perfect grows room humidifier. So, we are going to reveal the best grow room humidifier list with an entire guideline. Here, we have enlisted top six grow humidifier.

Top Rated 5+ Best Grow Room Humidifiers

TaoTronics Cool Mist Ultrasonic Humidifier
Essick Air Evaporative Humidifier
Digital Pedestal-Style Evaporative Humidifier
Venta LW25 Airwasher 2-in-1 Humidifier
Ultrasonic Cool Mist Humidifier

TaoTronics Cool Mist Humidifier, LED Display, 4L Ultrasonic Humidifiers for Home

What We Liked Most About This Product

The Taotronics is a renowned brand for humidifier and accessories. The best thing about the product is it is an ultrasonic humidifier. Thus, the humidifier not only provides smooth humidification but also provides adjustable humidity facilities. So, the humidity level in your room or grow room will be automatically adjusted.

Product Overview

The TaoTronics Grow room humidifier comes with ultra-air diffusion system. Again, this humidifier creates less noise than others as it comes with less than 38 dB of sounds. For quiet and smooth humidification, it is an ideal growTaoTronics Cool Mist Humidifier, LED Display, 4L Ultrasonic Humidifiers for Home room humidifier. If you use this humidifier for the bedroom, it will not disrupt your sleep by creating harsh noise. Actually, humidity depends on your needs, dryness of the skin and uneasiness. 

The fifteen hours long working time is going to provide you cool mist that can be adjustable at your required level. Even it can last the rest of the time. The humidifier has the 4L capacity of the water. Thus, it is sufficient for producing mist for day long. Thus, this humidification produces purified air for supplying you the fresh air with comfortable air environment.

Another exciting feature about this product is it comes with a nice LED display. The display is very clear and intuitive. You can set a timer on your room humidifier. Thus, it will help you to set the goal that how long it should run. Further, you can set the sleep mode when you think, you don’t need the air to be humidified. The ultrasonic humidifier comes with a rotating nozzle. Thus, the nozzle allows uniform distribution of the mist and fog as it can rotate 360 degrees.

To breathe in fresh and comfortable air, this grows room humidifier is a good choice. A 431-538 square feet room can be easily covered with this room humidifier. To sooth the dry skin, you can use this humidifier. Again, the humidifier provides comparatively safe and hygienic air. Thus, it includes a high-quality cartridge which filters the water thoroughly. The humidifier prevents the microorganism to grow. It supplies non-allergic and pure air to its user.


  • Ultrasonic humidifier provides minimum sound.
  • Microporous cartridge for improved purification of the water.
  • Includes a timer for setting time.
  • Provides a 360-degree nozzle for good distribution of the mist.
  • Perfect humidifier for people and grow room.
  • Comes with adjustable humidification level.


  • It is hard to clean.

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Essick Air AIRCARE MA1201 Whole-House Console-Style Evaporative Humidifier, White

What We Liked Most About This Product

The Essick Air is an evaporative humidifier from the renowned AIRCARE Brand. The humidifier comes with a single bottle design. To the dry indoor air, an evaporative humidifier can supply the required level of humidity. The humidifier comes with the maximum runtime. Thus, this long time humidification provides a comfortable environment in the room.

Product Overview

If you are looking for a humidifier that will cover your 3500-3600 square ft flat, this Essick evaporative humidifier will be the best pick. It is because this humidifier will provide humidification of over a 3600 square ft area easily. ItEssick Air AIRCARE MA1201 Whole-House Console-Style Evaporative Humidifier, White provides cool mist and generates vapor to the entire house uniformly. If you are planning for planting indoor, you can use this humidifier to maintain the humidity level of the room or tent.

Another important feature of this humidifier is, it includes a digital humidistat. Thus, the humidistat automatically controls the humidity level according to the dryness of the room’s air. So, you don’t need to worry about it, even though you are not staying in the grow room. The machine will maintain accuracy to detect the level of dryness. Then it will raise the humidity level to compensate that dryness. Thus, it will help proper growing of the plant in a tent or grow room.

The humidifier adds sufficient humidity to your air so that your children can feel comfortable. No allergies, flues or other breathing diseases for this. Again, it prevents sinuses, migraine and other irritations that is occurred due to dryness or due to excessive humidity. The humidifier has 3.6 gallons of water capacity. Thus, it creates sufficient vapor for a large house humidification. The humidifier can protect the wooden furniture from any damage.

The humidifier comes with an auto shut off the system. Once your required humidity level reached, it will automatically shut off. If the humidifier intake is empty, it will shut off automatically too. Again, this digital humidifier is very easy to clean. No complex parts like pulley and wheels. Besides, it includes a filter indicator, caster wheels, and digital display. The humidifier saves energy by reducing the usage of comforting power consuming device and machine.


  • It can shut off automatically.
  • Provides proper humidification over an entire house.
  • The longest runtime provides a comfortable environment.
  • Prevents all the flue and breathing disease.
  • Automatically maintains the required humidity level.
  • Comes with caster for good mobility.
  • Comes with a digital display for constant monitoring.


  • It is noisy.

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AIRCARE EP9 800 Digital Whole-House Pedestal-Style Evaporative Humidifier, Espresso

What We Liked Most About This Product

Another product from the AIRCARE. Thus, this model comes with its unique pedestal design which goes with any décor. Again, the humidifier comes with easy fill tank design. This allows the user to fill the humidifier easily. This, grey color humidifier caught anyone’s eye easily. It is fully functional and also an evaporative humidifier with different design and features.

Product Overview

The humidifier includes a digital humidistat. Thus, it controls the humidification automatically. It calculates the dryness of the room air accurately. Then, it raises the humidity level to the desired level so that all the uneasinessAIRCARE EP9 800 Digital Whole-House Pedestal-Style Evaporative Humidifier, Espresso and flue diseases vanish. If you raise the humidity level of the indoor above 43 percent, you will be protected from the disease created from the air and dryness of the environment.

The humidifier includes a digital display. So, you can easily read out the fan speed and the humidity level to the digital display. Again, the humidifier includes nine fans for providing the best performance of humidification. These fans keep the room humidifier more active and functional for a long time. It will maintain necessary humidity on your room’s air. Even for a grow room or tent, it will cover the required humidity to boost the growth of the plant.

The espresso pedestal style humidifier can easily cover a large house of about 2400 square feet. It will humidify your entire house. The breathing and air environment of the indoor should be pure and safe. The humidifier comes with front fill design. So, you can pour in the humidifier tank from the front section.   Many diseases can occur due to unsafe air. So, to keep the dry environment of the indoor saturated and humidifying, you can use this humidifier.

The humidifier can run up to sixty hours effectively. This is the longest run time by now. It includes a capacity of 3.5 gallons of water. Besides, it includes an auto shut off valve like the previous AIRCARE product. It can provide the desired humidity for 2.5 days. If the tank is empty or it reaches the required level of humidification, it will shut off automatically. It removes dryness of the environment by adding moisture to the air.


  • Comes with a pedestal-design to fit any room decor.
  • Includes caster for easy maneuverability.
  • Can produce cool mist for a long time.
  • Longest run time ever for a medium-large house.
  • Comes with digital display.
  • The digital humidistat can control the humidity automatically.
  • Great for your apartment and grow room.


  • In the upper level, the humidifier makes noise.

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Venta LW25 Airwasher 2-in-1 Humidifier and Air Purifier in Black

What We Liked Most About This Product

Our next grow room humidifier is from the brand Venta. The VentaLW25 Airwasher doesn’t require any filter to filtrate and purify the air. It doesn’t create white dust. So, a healthy environment remains at your home. If you are planning on using this humidifier for indoor grow room, you can surely do that. It will speed up the growth of your plants, flowers by maintaining the proper humidity level that is needed for the development of the plants and trees.

Product Overview

The humidifier humidifies dry room to the comfort level. It adds moistures to the air of the room. As indoor air is confined, it becomes dry and irritating due to lack of hydration. It may cause uneasiness to your skin, wrinkles, andVenta LW25 Airwasher 2-in-1 Humidifier and Air Purifier in Black soreness. The humidifier purifies the air by removing pollen and pet dander. The pet dander is one of the main reason for skin diseases and other problem.

It will not allow the entire apartment or houses to cover but surely will a large room. This humidifier provides humidification for a room of 400 square feet. If you are owning a farm or tent where you are planning for growing plants and planting the seeds and flowers, you can use this humidifier to enrich the indoor air with moisture. Though the room humidifier humidifies air fir comfortable and non-allergic environment. A grow room humidifier will take care of your plants for indoor gardening.

The humidifier includes cold evaporation technology. Thus, it produces humidification without any filter. There is no risk of realizing bacteria to the environment. It will not over humidified. Thus, it will maintain an accurate level of humidification needed for the grow room. Again, this Airwasher comes with 2 gallons of capacity. It is pretty sufficient to humidify the environment of a small to the medium house. It removes the dust and dirt from the air even of .3 microns particle.

This cold water humidifier can provide the humidification of 40-55%. This is the optimal range of the humidification which prevents bacteria and allergens that affect the skin. Again, it includes auto shut off valve. It will automatically control the humidification when the required moisture gained to the air. This, the humidifier could be the safest humidifier for a tent, established for purifying and humidifying the air. It is not only used in the houses for the people but also for the growth of the plant.


  • Provides “white dust” free air.
  • Purified and fresh air for the healthy environment.
  • It is easy to clean.
  • It comes with medium space.
  • No filter required to purify the air.
  • Comes with the automatic shut off valve.
  • Includes a refill indicator.


  • Not a quiet humidifier for bedroom use.

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Pure Guardian 70-Hour Ultrasonic Cool Mist Humidifier

What We Liked Most About This Product

The Pure Guardian Humidifier is a personal humidifier. This portable single humidifier can be conveniently used for a tent and a room. This single jar shaped humidifier produces up to 3 gallons of vapor. It releases the moisture to the room air to keep its relative humidity on the desired level. Besides, this small humidifier can be set on your table easily. Thus this humidifier is ideal for personal use.

Product Overview

The Pure Guardian Ultrasonic cool mist humidifier is a humidifier for your room. This adds moisture to the dry air for a comfortable environment. The filter-free technology of the humidifier provides purified air. It gives you reliefPure Guardian 70-Hour Ultrasonic Cool Mist Humidifier from the irritation of dryness of your skin and allergies. Being an ultrasonic humidifier it produces less noise. Thus, it is perfect for the bedroom use. You can use this to your living room and even for grow room.

The tank has 1 gallon of capacity. But it delivers 3 gallons of vapor. It can easily cover a medium sized room. The humidifier has the run-time of about 70 hours. It can be filled easily. Again, this humidifier helps you in creating a noise-free environment while sleeping. Besides. It includes a five feet long cord. It can be set anywhere in your room.

The tank comes with silver clean protection. Thus, this technology prevents growing mold and mildew. Again, the humidifier appears with the tabletop design. Thus, it is comfortable to fill and perfectly fits a smaller place. Again, the humidifier emits cool mist to sooth the air and create a relaxing environment in the room. This is hygienic and prevents the growth of the bacteria.

It includes a water level indicator. When the water level is low, the indicator light allows you to know about it. When the tank is empty, it automatically shuts off. Again, the humidifier distributes mist multi-directionally for uniform distribution. Again, the humidifier comes with night light and three variable speed. You can adjust the speed of the humidifier on your preference. For a grow room this Pure Guardian will be one of the best humidifiers within this price.


  • Comes with the tabletop design for easy filling of the tank.
  • Includes silver clean protection from in the tank.
  • Prevents mold and allergen.
  • Ultrasonic humidifier creates less noise.
  • Produces fine mist to moisture the dry air.


  • It produces white dust.

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PurSteam Ultrasonic Cool Mist Humidifier – Superior Humidifying Unit with Whisper

What We Liked Most About This Product

The last humidifier for grow room is the Pursteam Ultrasonic Cool Mist. The humidifier comes with a unique design. Again, the humidifier is lightweight. Its unique design catches the users eye. The humidifier provides necessary humidity to the air. Those who are looking for a humidifier in a lower budget can avail this humidifier easily.

Product Overview

The humidifier includes the variable knob. Thus, this knob controls the humidity level of the humidifier. Actually, it’s an on/ off switch. This functional humidifier includes goes with any home décor. So, you can place this humidifierPurSteam Ultrasonic Cool Mist Humidifier - Superior Humidifying Unit with Whisper anywhere. The humidifier comes with a night light which makes the operation easy even in the light. If you are planning on buying a humidifier for grow room, you can try this affordable humidifier.

This cute humidifier can provide moisture for 17 hours constantly. This is an ultrasonic humidifier that produces vapor quietly. It can be used in the bedroom during sleeping. Your kid’s sleep won’t be interrupted by this humidifier. It delivers safe and pure air to the environment of the room. For a grow room or living room, it comes with the good performance by this price. It easily adjusts to the environmental air and increases the level of relative humidity.

The humidifier includes a water tank of 2.2 liters. It is sufficient for a grow room, bedroom, and offices. It includes a night light. This emits soothing light to the room.  It provides high comfort and ambiance. To add moisture to the air of the room in the winter days, it will be the most affordable humidifier. Again, you can use this humidifier for grow tent to boost the growth of the plants. As an indoor gardener, the humidity level of the air is a matter of concern.

Likewise, it comes with a low water level indicator. When the water levels of the tank are below the standard line, this indicator light will show up. One fulfilled tank produces mist for 17 hours in a constant way. It also comes with the auto shut off valve. When the desired humidity level reached, it will shut off automatically.


  • Comes with stylish design.
  • Includes variable knob for controlling the humidity level.
  • Provides constant 17 hours of humidification.
  • Comes with a night light.
  • Includes auto shut off valve suitable for the medium-large room.


  • Not suitable for humidifying large room or the entire house.

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Grow room humidifier buying guide

When you are choosing a humidifier for a grow room, you must be careful. It is because plants are more sensitive than human. A little change in relative humidity in the grow room environment I can cause damage to the plants. So, before your final purchase, just check the following factors:

  1. The capacity of the humidifier:

Firstly you should check the capacity of the humidifier tank. The manufacturer also provides information about the area it would cover. You should check that. Generally, a tank of 3.5 gallons capacity covers a large house easily.

  1. Runtime:

Check the run time of the humidifier. In our above-listed product, you’ll find a humidifier that runs for 70 hours. Choose according to your need. If you are owning a large grow room, choose a heavy-duty humidifier.

  1. Ultrasonic or not:

Ultrasonic humidifier produces fine mist to add moisture to the air of your grow room. Even it is less noisy and some brands come with quiet operation. They produce pure and dust free mist to humidify the dry air.

  1. Automatically controlled:

Some humidifier comes with automatically controlled humidification system. It controls the relative humidity automatically whenever it reaches the desired level. It will increase the humidity if the air is extremely dry. Again, it will reduce the humidity to over humidification of the air.

  1. Price Vs quality:

You may get a good quality product with an average price. Sometimes, a poor quality product with a higher price. It depends. So, you should check whether you are getting the expected quality humidifier according to its price. Though high-quality products are pricey, they are committed to the customer.

FAQ (Frequently Asked Question)

Q: Does the humidifier suitable for winter?

A: Of course, it is. The function of the humidifier is to add moisture to the dry air. It will work in the winter.hydroponic Tents FAQ

Q: What level of humidifier suitable for grow room?

A: The humidifier with constant and fine performance and humidity level above 40 %, are ideal for the grow room.

Q: Should I use filtered water for the humidifier in the grow room?

A: It depends on the machine you have just bought about this humidification. Some humidifier comes with a built-in filter. In that case, you don’t need to use distilled water. But the humidifier that produces white dust, need to be filtered water for that humidifier.

Final Thought

Being an indoor gardener, you must have to look for a humidifier for the humidification of your grow room. You must have found the article quite informative for your next purchase, as we have put all the authentic information. Our selected six products are the result of a great web research. I really appreciate your patience. Though these humidifiers can be used for humidifying the air of the house also, we choose the best product for grow room. If you have found your favorite grow room humidifier, just grab your suitable one. Don’t forget to leave a feedback on our site after using the product.

About Willie Miller

Hey there, glad you could stop by this site. My name is Willie Miller, the man behind Gardeners Yard. If you want to find any information about gardening tools, products and other supplies, then you have come to the right place. I have a number of insights about different gardening methods, including hydroponics. You will be able to find so much about all the supplies that you will need to be able to succeed in any form of gardening. If you love indoor gardening, then you can rest assured that I will give you expert reviews and advice on different grow tents and you will become an expert in just a couple of weeks.

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  2. I have a grow room. I am searching for the Best Grow Room Humidifier for my grow room. But I don’t know what Humidifier is best for my grow room. I need 4 Litter Water Capacity Grow Room Humidifier & my room size is small. Can you please suggest me what type of Humidifier is suitable for my Grow Room?

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  5. David Griffiths

    Thanks, William for this excellent article.

  6. Tina Frock Hawkins

    It’s a great article. I bought a TaoTronics Cool Mist Ultrasonic Humidifier to humidify my grow room.

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