Best Dehumidifier For Grow Room (2025 Updated)

The Defender FD50 dehumidifier is a must-have for anyone involved in cultivation. It has been designed to remove up to 120 pints of moisture per day, ensuring a healthy and grow-optimized environment for your plants. With its energy-saving and high drying capacities, this grow room dehumidifier is perfect for use in grow rooms, grow tents, drying rooms, greenhouses, hydroponic grows, small growing spaces, and grow houses.

One of the key features of this dehumidifier is its VPD mode. This mode allows for tight control over Vapor Pressure Deficit, which can directly influence the profitability of your operation as it impacts both yields and crop quality. Another useful feature is the night mode, which can be activated by pressing the 'Drain' button for five seconds. This mode turns off the display to avoid light interfering with plant sleep. The unit also comes with two kinds of drainage: pump drainage and gravity drainage.

The Defender FD50 dehumidifier has a MERV11 filter, which is a self-sealing air filter that traps up to 95% of pollutants from the air to protect your plants and the unit's vital components. It is recommended to replace the filter every 3 months. With its flexible installation options for suspended and freestanding use, this dehumidifier can be conveniently placed wherever it's needed. It also has built-in digital controls for intuitive operation and automatic defrost for efficient operation even in low-temperature environments.

In terms of specifications, this dehumidifier has a water removal capacity of 53 pints/day (@ 80°F / 60% RH) and 120 pints/day (@ 95°F / 90% RH), with an efficiency of 4.4 pints/kWh, and a current draw of 4.5 Amps. It has an air flow of 180 CFM, operating temperature of 40°-97°F, and a supply voltage of 110-120 VAC, 1 Phase, 60 Hz. The unit dimensions are 16.8" L x 10.7" W x 12.8" H, and it weighs 38 lbs. The noise level is less than 55dBA.

The Defender FD50 dehumidifier comes with a 1-year warranty for parts and labor, and a 2-year warranty for the sealed refrigerant system from the date of purchase. Finderdry customer support is available to provide you with local phone call support services and quickly solve any technology and installation issues.

Introducing the powerful and efficient large room dehumidifier that can remove up to 164 pints (20.5 gallons) of moisture per day (90 PPD AHAM). This dehumidifier is perfect for drying out large spaces up to 7,000 sq ft, including warehouses, basements, grow rooms, garages, wine cellars, and workshops.

With a high airflow rate of 206 CFM, this dehumidifier can quickly and effectively eliminate moisture. It is ideal for urgent water damage restoration, fast structural drying, carpet cleaning, and other jobs that require fast drying.

The automatic humidistat on this commercial dehumidifier reads the room temperature and humidity level to maintain the room humidity at the setpoint. It also has an auto ON/OFF feature, auto-restart after power outages, and auto defrost for effortless humidity control.

Easily attach the included 6.56 ft drain hose to this commercial-grade dehumidifier for automatic and continuous drainage by gravity. The built-in 1.3-gallon water reservoir allows you to use this dehumidifier in areas without a floor drain. It will automatically shut off when the reservoir is full to prevent overflow.

This heavy-duty industrial dehumidifier is made of a metal outer casing that is anti-collision and anti-corrosion, ensuring long-term use and easy maintenance. The large semi-pneumatic wheels and sturdy bar handle make it easy and safe to transport from job to job, even up and downstairs.

The WIFI Smart Controller is a versatile and convenient device that supports both IOS and Android. With its 2.4GHz Wi-Fi router support, users can download the free 'Inkbird Smart' app to control the temperature at any time. This is particularly useful for those who need to monitor their environment remotely. The device also comes with a calibration function, allowing you to adjust the temperature as needed for your specific use case.

Additionally, the IHC-200 Wi-Fi Humidity Controller can be connected to a 2.4GHz Wi-Fi network, enabling users to monitor and adjust humidity levels remotely through the app. Like the Smart Controller, it also comes with a calibration function. Both devices feature high/low temperature limit setting alarms, ensuring that your environment stays within safe temperature ranges. These devices are widely used for mushroom cultivation, greenhouse maintenance, home brewing, and more.

The commercial dehumidifier is an effective solution to remove moisture from the air quickly and efficiently. It has a capacity of removing 145 pints (18.2 gallons) of moisture per day at AHAM condition, covering an area of up to 6,000 sqft. This makes it perfect for use in basements, crawl spaces, large rooms, grow tents, bedrooms, cellars, warehouses, garages, laundry rooms, factories and commercial spaces.

This high-efficiency dehumidifier is equipped with a powerful fan that can make the air intake speed reach 235CFM. This helps to absorb the maximum moisture quickly and effectively with the minimum energy consumption. The unit is designed to be quiet, and you are not required to pour away the water every hour. It drains by gravity and water is discharged into the floor drain by a drain hose (including 6.56-ft, 5/8inch diameter) connection. The unit also has an interface to connect the external pump for more drainage options.

The dehumidifier is designed for easy and convenient control operation. It is durable for adopting advanced internal corrosion protection technology. A touch-pad LED control panel offers great convenience for operating the commercial dehumidifiers, which has an auto-restarting feature after power failure. The large room dehumidifier will AUTO ON/OFF to maintain the room humidity around setpoint. The unit also has an auto on/off timer programming for 1-24 hours.

The dehumidifier is equipped with an auto-defrost feature for fast and effective defrosting process. The unit works continuously and efficiently without periodic stopping during the defrosting process. The automatic defrosting can prevent the collected water from freezing and damaging the machine. This not only saves energy but also makes the unit last longer.

This industrial dehumidifier is durable and comes with a 5-year warranty. The professional customer support team is ready to help and provides the best after-sales service. If you have any questions, please feel free to contact them.

Maintain a comfortable and healthy environment with this Humidistat featuring a large LCD screen that displays the sensed humidity, setting humidity, and custom icons to indicate the working mode. This Humidistat is easy to use and program with only two steps needed to switch between humidification and dehumidification modes, making it a convenient plug-n-play design for any application.

The Humidistat is equipped with reliable and highly accurate humidity sensors, making it suitable for OEM applications where precise and dependable measurements are essential. With a humidity correction function, the humidity controller allows users to adjust the measuring accuracy based on different probes, ensuring optimal performance.

This Humidistat comes with high and low humidity alarms, as well as over-humidity and sensor error alarms, making it an ideal solution for various settings like koji fermentation, grow tents, exhaust fans, humidifier controls, refrigerators, dehumidify controls, meat curing rooms, bathrooms, mushrooms, mini greenhouses, crawl spaces, and ventilator fans. Enjoy peace of mind with a 12-month warranty included.

The humidity measuring range of this product is between 5% to 99.99%RH, while the humidity control range is 5% to 99%RH. It has an accuracy of ±3%RH, which ensures precise humidity monitoring and control. The user can set the humidity control value and differential value as per their requirement. Moreover, it has a delay protection for control output, which prevents any damage to the device. It also allows the user to query the current temperature for better monitoring. The product automatically switches the modes between humidification and dehumidification, which is a convenient feature. Additionally, it has a calibration feature for adjusting the humidity value. The product comes with an alarm function for sensor error or when the humidity exceeds the limit. The user can also set an alarm for high and low humidity levels, which makes it easy to maintain the desired humidity level.

The Automatic Digital Display Control System is a highly efficient machine that operates with an accuracy of ±5%. It is made of high-quality stainless steel and equipped with casters for easy movement. The machine can also be mounted on the wall. The high-frequency vibration of the atomizing membrane throws water from the surface to produce natural and flying water mist, which achieves humidification without heating or adding chemicals. The machine is widely applicable in various industries, including protecting fruits and vegetables in malls, textile industry, electronics industry, paint industry, manufacturing, printing, and aquaculture. It is also suitable for maintaining appropriate relative humidity in school computer rooms, medical equipment, and operating rooms to keep the environment clean and purified. The machine plays a crucial role in improving product quality, reducing scrap rates, eliminating dust and static, and enhancing the environment. Wayclound provides 100% satisfied service with US stock and free shipping. The professional team is always ready to offer 24-hour after-sales service for any inquiries regarding the product.

The Rest+ sound machine is a perfect solution to keep your little one dreaming with soothing sounds of white noise, wind, and rain. The machine is Wi-Fi enabled, so you can control it from anywhere, ensuring that your child sleeps through the sounds of everyday life. It also comes with a night light that provides a reassuring and calming glow, making midnight feedings soothing and the dark less scary.

The Rest+ sound machine has a charging base that powers up to 8-hour battery, making it easy to move around wherever your little one snoozes. You can keep them dreaming, no matter where naps happen. Additionally, the machine comes with Time-to-Rise feature that uses light and sound combination to let your early riser know when it's time to wake up. You can also pair light and sounds to build habits and cue your little one for bedtime using the Time-for-Bed feature.

The Rest+ sound machine makes winding down simple with its expert-curated music, bedtime stories and more with your Hatch Sleep Membership. Helping your little one relax before going to bed has never been easier.

The Inkbird pre-wired temperature and humidity controllers are the perfect solution for growers and starters who want a hassle-free and easy-to-use product. With a plug-and-play design, they eliminate the need for complicated wires and are user-friendly.

These controllers come equipped with high and low temperature/humidity alarms that support custom adjustment, making it easy to monitor and maintain the ideal environment for your plants. The buzzer alarm feature ensures that you are alerted when the temperature or humidity levels exceed the desired range.

The dual relay controllers offer two power outlets each, making it possible to connect heating equipment and ventilation fan on the temperature controller, and humidifier and dehumidification equipment on the humidity controller. This setup ensures a balanced and controlled environment for your plants.

These controllers are affordable and allow you to DIY the ventilation system for your grow tent, making it more fun and cost-effective than getting a pre-set ventilation system.

Inkbird is a reliable brand that is known for offering quality products, and the pre-wired temperature and humidity controllers are no exception. In fact, they are the first ones to offer such a product in the market, making them a leader in this space.

Maintaining the ideal humidity for your plants or devices is now easier with this humidity controller. The controller comes with a sensor probe that accurately tracks humidity levels and regulates them within a control range of 5%~99%RH. The user can easily set up the humidity range for both humidification and dehumidification modes through its 3-button design.

Safety is a top priority with this humidity controller. It supports high and low humidity alarms, which helps protect your plants or devices from any influence that exceeds the humidity range. The compressor delay feature also ensures that your devices are protected from sudden power surges. Additionally, the controller can automatically save data or settings even if it suddenly goes out of power.

The humidity controller's illuminated LED display is easy to read and program, even in darkness. The user can hang the controller on the wall or hooks that keep cords untangled and neat, making it a convenient and space-saving design.

This humidity controller is versatile and can be used in a variety of applications such as mushroom cultivation, mini greenhouses, ventilator fans, crawl spaces, turtle enclosures, curing chambers, seed germination, cigar storage, homebrewing, and more.