Designed specifically for commercial cannabis cultivation, our industrial dehumidifiers are engineered to handle the high transpiration load generated by dense plant canopies and high-intensity grow lighting systems. Our cannabis dehumidifiers feature corrosion-resistant coils, precise humidity control for VPD management, and continuous drainage systems to ensure stable RH levels throughout all growth stages — from vegetative growth to flowering and curing. We also offer customizable capacity, voltage, control systems, and housing options to meet the unique requirements of large-scale grow rooms, greenhouses, and vertical farming projects.
High transpiration rates, airborne particles, and harsh chemical environments require a purpose-built solution. We engineered our Grow Room Dehumidifier Series with exclusive features designed to protect your plants, optimize your VPD, and lower your operational costs.
1. Ultimate Plant Protection & Air Quality
Advanced G4 Filtration (Standard): Mold spores and pollen are the biggest threats to crop quality. Our built-in G4 filter (upgradeable to MERV-13) not only protects the internal components from dust but actively purifies the room’s air, drastically reducing the risk of botrytis (bud rot) and powdery mildew.
Gentle Airflow Design (Low Temp Differential): Unlike standard units that blast freezing or scorching air, our system maintains a minimal temperature difference between the intake and exhaust air. This eliminates “wind burn” and prevents the yellowing of leaves for plants situated near the unit.
2. Next-Generation Efficiency & Compact Footprint
Microchannel Heat Exchanger: By utilizing advanced microchannel technology, our units achieve significantly higher heat transfer efficiency with a reduced refrigerant charge. This results in a smaller, lighter unit that consumes less power while delivering maximum moisture extraction.
Optimized Thermodynamic Cycle: Our specialized evaporator and condenser configuration effectively pre-heats the intake air before the dehumidification process, maximizing water removal efficiency even in challenging, fluctuating grow room conditions.
3. Built for the Harsh Grow Room Environment
Standard Anti-Corrosion Coating: While other brands charge a premium for custom coatings, our units come standard with high-grade epoxy-coated coils. This guarantees long-term protection against airborne fertilizers, sulfur vaporizers, and chemical sprays.
Built-in Air Pressure Switch: For 24/7 reliability, a built-in wind pressure switch continuously monitors internal airflow. If the filter clogs or a fan issue occurs, the system safely protects the compressor from freezing or failing.
4. Seamless Smart Integration
Plug-and-Play TrolMaster Compatibility: Centralized control is crucial. Our systems come standard with RS485/Modbus communication, ready to integrate seamlessly with TrolMaster and other industry-leading environmental controllers right out of the box. No expensive adapters required.
Built specifically for high-transpiration cannabis environments requiring stable, commercial-grade humidity control.
Indoor Cannabis Grow Rooms Manage extreme transpiration loads under heavy, high-intensity lighting. Prevent powdery mildew and stabilize your VPD (Vapor Pressure Deficit) during the critical vegetative and flowering stages.
Commercial Greenhouses Control sudden nighttime humidity spikes and dew point issues when temperatures drop and roof vents are closed, protecting your crops from devastating “indoor rain” and botrytis.
Drying & Curing Rooms Deliver low-temperature, steady moisture extraction. Prevent bud rot while strictly preserving essential terpenes, flavor profiles, and overall flower quality.
Vertical & Container Farming Eliminate dangerous microclimates in space-restricted, high-density setups. Our ductable designs ensure uniform canopy airflow and precise climate control in every tier of your facility.
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As a direct manufacturer, Ruiwang engineers commercial-grade dehumidifiers specifically for the cannabis industry. Built with standard epoxy-coated coils, microchannel technology, and seamless TrolMaster integration, our systems ensure precise VPD and relative humidity control across all growth stages. We provide comprehensive equipment customization—including moisture extraction capacity, voltage, control systems, and housing dimensions—to meet your facility’s exact specifications.
| Specification | RWDD-225Pints | RWDD-355Pints | RWDD-506Pints |
|---|---|---|---|
| Capacity (30°C, RH80%) | 225Pints (27°C, 60%RH) | 335Pints (27°C, 60%RH) | 506Pints (27°C, 60%RH) |
| Voltage/Frequency | 220-240V/50/60Hz | 220-240V/50/60Hz | 220-240V/50/60Hz |
| Apply Area | 120-220m² | 300-400m² | 400-500m² |
| Power Consumption | 1150W | 1565W | 2700W |
| Airflow Volume | 1100m³/h | 1500m³/h | 2500m³/h |
| Work Temperature | 4°C-45°C | 4°C-45°C | 4°C-45°C |
| Control Humidity | 10%-95% | 10%-95% | 10%-95% |
| Refrigerant | R410a/R22 | R410a/R22 | R410a/R22 |
| Weight | 69kg | 98kg | 155kg |
| Size (L×W×H) | 770×600×530mm | 925×625×600mm | 1220×735×800mm |
The right capacity depends on your room dimensions and daily water usage. Using the ‘water-in, water-out’ method helps calculate the exact pints per day needed.
Yes, dehumidifiers generally emit a slight amount of heat as they extract moisture. You must factor this heat output into your facility’s overall cooling and ventilation strategy.
Units can be ceiling-suspended to save floor space or positioned freestanding. Ensure adequate open space around the dehumidifier for optimal air circulation away from direct plant contact.
Aim for a relative humidity between 30-40% during the late flowering stage. This strict lower range prevents bud rot while protecting the density and quality of your flowers.
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Our team would be happy to meet you and learn all about your business, requirements and expectations.
