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Dehumidifiers and Humidifiers

Humidity swings can make or break your grow cycle. Too dry and plants dried out—too damp and risks of mold, bud rot, or slow growth skyrocket. Our curated collection of humidifiers and dehumidifiers includes compact units perfect for seedlings and tents and powerful, commercial-grade dehumidifiers that remove hundreds of pints per day to control RH in mature grow spaces. 

Explore models with smart controls, built-in humidistat, continuous drainage options. Check out compatible Dehumidifier filters and odor control products and ventilation and ducting to suit your workflow. From portable mini units to overhead LGR systems, easily automate humidity management, so you can lock in ideal Relative Humidity and focus on yield, not mold.

Need help picking the right dehumidifier? Discover the difference between Quest and Anden, two industry-trusted dehumidifiers. 

White Anden A710V3 industrial dehumidifier with dual front air filters and a black power cord.
White Anden A710V3 industrial dehumidifier with two front filter panels and a black power cable. Save $3,817.09 Save $0.00
$12,787.99
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$8,970.90
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Anden A710V3 Industrial Dehumidifier - 710 Pints/Day 277V

Anden

VLGR technology gives you top-tier moisture removal, precise VPD control, and late flower stability in one unit. The Anden A710V3 is one of the gre...

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$12,787.99
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$12,787.99
$8,970.90
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$8,970.90
Save $3,817.09 Save $0.00
White Anden industrial dehumidifier with dual front filters, power cord, and logo.
Anden dehumidifier, white industrial unit with dual air filters and green logo. Save $3,325.09 Save $0.00
$12,295.99
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$12,295.99
$8,970.90
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Anden A710V1 Industrial Dehumidifier - 710 Pints/Day 208-240V

Anden

Get energy-smart moisture control with late flower stability, tight VPD control, and 710 pints per day of capacity. If you’ve battled humidity swin...

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$12,295.99
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$12,295.99
$8,970.90
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$8,970.90
Save $3,325.09 Save $0.00
Technician adjusting Anden AS150 steam humidifier mounted on wall in indoor cultivation facility.
Front view of Anden AS150 steam humidifier unit with digital control panel for cultivation room climate control. Save $1,917.65 Save $0.00
$6,589.44
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$4,671.79
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Anden AS150 High-Capacity Steam Humidifier

Anden

Delivers 1200 PPD of clean steam with fan-powered ductless control for high-capacity, grow-optimized humidity performance. Anden steam humidifiers ...

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$6,589.44
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$4,671.79
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Save $1,917.65 Save $0.00
Side view of the Anden A320V3 dehumidifier showcasing the Anden logo and venting system for airflow.
Top-down view of the Anden A320V3 industrial dehumidifier highlighting the filter and ventilation layout. Save $1,421.51 Save $0.00
$5,911.99
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$4,490.48
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Anden A320V3 Grow-Optimized Industrial Dehumidifier - 320 Pints/Day 277V

Anden

Take control of humidity to improve growth, prevent mold, and boost bud quality with every harvest cycle. How will this industry-leading dehumidifi...

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$5,911.99
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$4,490.48
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Save $1,421.51 Save $0.00
Front view of Anden A320V1 dehumidifier showing yellow filter and control panel, designed for industrial dehumidification.
Anden A320V1 dehumidifier with yellow filter at the front and control panel on the side.
Save $1,194.51 Save $0.00
$5,684.99
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$4,490.48
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Anden A320V1 Grow-Optimized Industrial Dehumidifier - 320 Pints/Day 208-240V

Anden

Control humidity like a pro with the Anden A320V1—320 pints per day, 830 CFM airflow, and smart VPD-focused performance. How will this industry-lea...

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$5,684.99
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Save $1,194.51 Save $0.00
Anden A210V1 dehumidifier showing the filter area, logo, and external design from a different angle, emphasizing the airflow vents.
Anden A210V1 Grow-Optimized Industrial Dehumidifier, 210 Pints/Day, 240v - Front view with yellow filter and control panel visible.
Save $746.56 Save $0.00
$3,752.99
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$3,006.43
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Anden A210V1 Grow-Optimized Industrial Dehumidifier - 210 Pints/Day 240V

Anden

Control humidity, boost plant health, and maximize yield with 210 PPD of grow-optimized moisture removal performance. The Anden A210V1 Dehumidifier...

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Side view of the Anden A130 Dehumidifier showcasing the sleek design, ventilation fan, and Anden logo, with a clear focus on the air intake port.
Another side profile showing the Anden A130, with the intake fan and exhaust port visible, highlighting the clean and modern design.
Save $442.96 Save $0.00
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Anden A130 Dehumidifier - 130 Pints/Day

Anden

Compact and powerful, this mobile unit delivers 130 PPD of reliable moisture control with flexible installation options. If you are looking for a h...

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Side view of the Anden A100 dehumidifier, featuring the ventilation and compact design for easy installation in grow spaces.
Close-up front view of the Anden A100 dehumidifier, highlighting its sleek design and ventilation for superior moisture control.
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Anden A100 Dehumidifier - Remove 100 Pints Per Day

Anden

Compact yet powerful, this 100 PPD unit delivers pro-grade humidity control for small grow spaces with flexible setup. No matter the size, every su...

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Front view of the Anden A100F dehumidifier, featuring the Anden logo, air intake, and vents for efficient moisture removal in grow spaces.
Side view of the Anden A100F dehumidifier, showcasing the sleek design, air vents, and compact size for optimal performance in commercial environments.
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Anden A100F Dehumidifier - Remove 100 Pints Per Day

Anden

Get pro-grade humidity control in small grow spaces with 100 PPD performance, smart monitoring, and mobile flexibility. No matter the size, every s...

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Side angle of the Anden A70 Dehumidifier showcasing the fan and logo on the side.
Front view of the Anden A70 Dehumidifier showing the large fan grid and control panel.
Save $188.11 Save $0.00
$1,799.99
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Anden A70 Dehumidifier - 70 Pints/Day

Anden

Reliable 70 PPD moisture control for small grow setups with optional ducting and ceiling-mount flexibility. If you are a small operation grower or ...

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$1,799.99
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$1,611.88
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Save $188.11 Save $0.00
Angled side view of Anden AS35FP steam humidifier with visible vents and interface panel.
Front view of the Anden AS35FP steam humidifier showing logo and control buttons.
Save $229.95 Save $0.00
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Anden AS35FP Steam Humidifier w/ Fan Pack and Digital Humidistat

Anden

Achieve ideal humidity with 277 PPD of clean steam and a fan pack for easy, duct-free installation in grow rooms. The Anden AS35FP Steam Humidifier...

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$1,325.18
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Installed Anden AS80 steam canister inside steam humidifier housing with control panel.
Anden AS80 replacement steam canister with caution labels for steam humidifiers.
$110.09 - $110.09
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Anden AS80 Replacement Steam Canister with O-Ring

Anden

Ensure peak humidifier performance with this easy-to-install replacement steam canister and included O-ring. Your humidifier is only as reliable as...

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$110.09 - $110.09
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Anden AS80LC low conductivity steam canister with O-ring for steam humidifiers, labeled with safety warnings and part number.
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Anden AS80LC Replacement Low Conductivity Steam Canister with O-Ring

Anden

Optimize humidifier output with this low-conductivity replacement steam canister designed for 120VAC systems. Humidity control is only as good as t...

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$108.25 - $108.25
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Frequently Asked Questions

What’s the difference between a humidifier and a dehumidifier?

A humidifier adds moisture to the air by releasing water vapor or steam, raising the relative humidity. This is useful when indoor air is too dry, typically below 30–40%, to relieve issues like dry skin and respiratory irritation and to support plant transpiration. A dehumidifier, on the other hand, extracts excess moisture by condensing water from the air or using desiccants, lowering humidity to prevent mold, mildew, musty odors, and protect fragile indoor environments—especially when RH is over 50–60%

What is the ideal humidity range for indoor growers?

Most indoor growers target a humidity range of 40–60% RH, which is generally optimal for plant growth. Early vegetative stages benefit from higher humidity (around 60–70%) to encourage transpiration and vigorous growth, while flowering and bud development stages typically require lower humidity (40–50%) to minimize mold and bud rot risks.

Can I run both a humidifier and dehumidifier at the same time?

Yes, using both devices together can work—but you’ll need precise humidity control. Setting the humidifier to activate below about 50% RH and the dehumidifier to kick in above about 60% ensures they don’t counteract each other. This "dead zone" approach stabilizes humidity without devices running continuously.

How often should I clean and maintain these devices?

A well-maintained humidifier should be cleaned weekly—with distilled water—to reduce mineral deposits and bacterial growth, while dehumidifiers require periodic tank emptying, filter cleaning, and coil maintenance to prevent microbial buildup and maintain efficiency.