Control humidity in your warehouse, plant, or tunnel with industrial-grade, high-capacity dehumidifiers engineered for continuous duty, harsh environments, and 24/7 uptime—customized to your application.
Find the perfect dehumidification technology for your specific environmental needs.
Capacity: 200-2000L
Temp Range: -12.2–60°C
Best For: Warehouses, Cold Rooms, Laboratories
Capacity: 60-158L
Temp Range:5-38℃
Best For:Basement, Warehouse
Capacity: 60-158L
Temp Range:5-38℃
Best For:Basement, Warehouse
Capacity: 168–480 L/day (7–20 kg/h)
Temp Range: 2–38 °C
Best For: Cold rooms, cold-chain warehouses
Capacity: 168–480 L/day (7–20 kg/h)
Temp Range: 5–60 °C
Best For: Drying rooms, high-heat workshops
Capacity: 168–480 L/day (7–49 kg/h)
Temp Range: -10–50 °C
Best For: Hazardous areas with flammable gases or vapors
Detailed specifications for informed decision-making. All models are tested under standard conditions (30°C, 80%RH) and certified to international standards.
| Specification | RW-4881 | RWDD-4881 | RW-2481 | RWDD-2481 |
|---|---|---|---|---|
| Capacity | 488L/D | 488L/D | 248L/D | 248L/D |
| Voltage/Frequency | 380V/50Hz | 380V/50Hz | 380V/50Hz | 380V/50Hz |
| Apply Area | 800-1000m² | 600-1000m² | 350-450m² | 300-450m² |
| Power Consumption | 5.6KW | 5.6KW | 3.0KW | 3.0KW |
| Airflow Volume | 5600m³/h | 5600m³/h | 2800m³/h | 2400m³/h |
| Airflow Volume (CFM) | 3296 CFM | 3296 CFM | 1648 CFM | 1413 CFM |
| Work Temperature | 5°C-38°C | 5°C-38°C | 5°C-38°C | 5-38°C |
| Control Humidity | 10%-95% | 10%-95% | 10%-95% | 10%-95% |
| Refrigerant | R410a/R22 | R410a/R22 | R410a/R22 | R410a/R22 |
| Weight | 165kg | 160kg | 102kg | 87kg |
| Size | 1170*445*1770mm | 1320*910*700mm | 760*470*1620mm | 1110*940*500mm |
| Model | RW-6001E | RW-7281E | RW-9681E | RW-12001E |
|---|---|---|---|---|
| Capacity (30°C, RH80%) | 25kg/h | 30kg/h | 40kg/h | 50kg/h |
| Voltage/Frequency | 380V/50Hz | 380V/50Hz | 380V/50Hz | 380V/50Hz |
| Apply Area | 1000-1200㎡ | 1000-1500㎡ | 1800㎡ & below | 2000㎡ & below |
| Power | 10kw | 15kw | 18kw | 25kw |
| Fan | 6000m³/h | 8000m³/h | 12000m³/h | 15000m³/h |
| Fan (CFM) | 3532 CFM | 4709 CFM | 7063 CFM | 8828 CFM |
| Work Temperature | 5°C-38°C | 5°C-38°C | 5°C-38°C | 5°C-38°C |
| Control Humidity | 10%-95% | 10%-95% | 10%-95% | 10%-95% |
| Refrigerant | R410a/R22 | R410a/R22 | R410a/R22 | R410a/R22 |
| Weight | 170kg | 210kg | 380kg | 400kg |
| Size | 1170×445×1770mm | 1170×445×1770mm | 1550×720×1950mm | 1550×720×1950mm |
Making the wrong choice costs time and money. Follow our 6-step guide to select the perfect dehumidifier for your specific application and avoid costly mistakes.
Tell us your length × width × height of the area to be dehumidified. Include adjoining spaces if they’re connected.
Add 20% to your calculation for areas with high air circulation or multiple openings.
Example: 20m × 15m × 4m = 1,200m³ space
Different models perform optimally at different temperature ranges. Match the dehumidifier to your environment.
For cold environments below 10°C, choose models with hot gas defrost systems.
Standard: 5-35°C, Low-temp: -10-25°C
Room ventilation will bring extra moisture from outside into the room, causing the humidity in the room to be unstable and affecting the dehumidification effect.
If the room isn’t airtight, reduce infiltration—seal gaps, add vestibules/air curtains, and keep slight positive pressure (+5–12 Pa).
Target +5–12 Pa pressurization; at loading docks, add air curtains (can cut doorway infiltration ~60–80%)
Measure existing humidity with a hygrometer. Higher humidity requires more capacity for faster moisture removal.
Most industrial applications require 40-60% RH for optimal conditions.
80% RH → 50% RH requires higher capacity initially
Check available electrical supply (voltage, phase, amperage). Ensure adequate power capacity for continuous operation.
Consider power consumption costs - higher efficiency units save money long-term.
Single phase: 220V, Three phase: 380V
Consider drainage options, ventilation requirements, noise restrictions, and accessibility for maintenance.
Plan for condensate disposal - gravity drain is most reliable for continuous operation.
Ceiling height minimum 2.5m, floor drain within 3m
Custom performance and presentation: enable smart connectivity, choose branded finishes, and specify built-to-order features to fit your environment, compliance needs, and budget.
Critical parts use anti-corrosion materials/coatings to resist salt spray and chemical exposure, extending service life in marine docks and chemical plants under harsh conditions.
Choose a large tank or external drain hose for continuous discharge, reducing manual emptying. Square or round adapters fit ducts; ceiling-mounted or floor-standing installs stay simple.
Automatic defrost prevents icing in winter or low temperatures, keeping the evaporator efficient and dehumidification continuous, while reducing manual maintenance and improving performance in cold environments.
A high-accuracy sensor and smart controller monitor in real time; set a target RH and the unit automatically starts/stops or modulates power to maintain stable humidity.
An upgraded centrifugal fan provides higher airflow and wider coverage for rapid, even distribution—balancing humidity across corners and accelerating dehumidification in large spaces.
Wi-Fi and mobile app control. Monitor status, adjust settings, and schedule on/off from anywhere—keep warehouse humidity on target and integrate with your facility’s IoT.
Critical parts use anti-corrosion materials/coatings to resist salt spray and chemical exposure, extending service life in marine docks and chemical plants under harsh conditions.
Special voltages, plug types, filters, casters, drain kits, RS485/Modbus, remote display. Tell us your requirements; we configure units to match your site.
Don’t let excess moisture cost you time, money, and reputation. Our industrial dehumidifiers provide reliable moisture control solutions across diverse industries and applications.
Heavy-duty dehumidifiers cut disease risk and protect germination rates.
Desiccant units prevent ice on doors and floors while keeping RH low at sub-zero.
Tight RH for stability, cleanrooms, and foil/film handling.
Large industrial dehumidifier systems protect cartons, labels, and electronics during seasonal swings.
Industrial strength designs handle seepage, long duct runs, and poor access.
Industrial-grade humidity control reduces clumping and maintains HACCP compliance.
We’ve successfully provided moisture control solutions for diverse applications. Our engineering team can design a custom solution for your specific requirements.
Founded in 2021 in Weifang, Shandong Ruiwang Industrial Technology designs and manufactures industrial and commercial dehumidifiers, including ceiling-mounted systems.
We provide OEM/ODM customization, engineering support, and low MOQs to serve warehouses, greenhouses, pools, basements, and food facilities with dependable humidity control.




Prevent rust, clumping, and label failure so your batches ship on time. Our industrial-grade dehumidifiers stabilize RH, cut scrap, and keep your line running at spec.
From single bays to multi-warehouse campuses, we design industrial-size and large industrial dehumidifier solutions that match your cubic volume, infiltration, and heat load.
Industrial-strength frames, oversized coils, and protected electronics withstand dust, shocks, and voltage fluctuation—so you spend less on downtime and emergency callouts.
High-efficiency compressors and smart defrost logic reduce kWh/L. You get predictable humidity control with measurable operating cost savings across seasons.
Choose ducted, floor-standing, or skid-mounted units. BMS contacts, Modbus, and external sensors make control simple for your team and service contractors.
What’s the difference between industrial grade, industrial size, and industrialstrength?
Components and duty cycle rated forcontinuous operation in commercial andindustrial spaces. Built for reliability and longterm performance.
Larger coil and blower system with higherL/day capacity designed for big rooms orenvironments with high moisture infiltration
Reinforced chassis with corrosion protection, dust-proofing, and shock resistance engineered for harsh industrial use and demanding environments.
Key Takeaway: When selecting an industrial dehumidifier, consider all three factors: grade ensures continuous operation, reliability determines moisture removal capacity, and strength guarantees durability in challenging conditions.
We collect a lot of FAQs from our real clients and please check out our FAQ page. Also, feel free to chat with us via LiveChat (on the right bottom corner), phone call, email, or just simply drop us a line below:
Tell us your room L×W×H, infiltration sources, and process RH target.
We model your moisture load (people, product, washdown, outside air).
We recommend 1–N units with ducting, redundancy, and service access.
Stock units: 1 pc MOQ. Custom builds: 5 pcs MOQ (branding, coil coatings, control protocol, stainless options, etc.). (Made-to-order lead times apply.)
Share your room dimensions, process heat, and target RH. We calculate moisture load and recommend industrial-size models—or multi-unit arrays—balanced for efficiency and redundancy.
Yes. Desiccant industrial dehumidifiers maintain low RH at low temperatures, preventing frost and door icing where compressor units are inefficient.
Yes. We support duct connections, external RH probes, alarm relays, and Modbus. We’ll align with your controls contractor and provide wiring diagrams.
Industrial grade dehumidifiers are heavy-duty machines designed for 24/7 operation in large spaces. Continuous-duty components, thicker frames, protected electronics, and serviceable filters. “Industrial strength” and “heavy-duty” emphasize build enhancements for harsh, dusty, or corrosive environments.
Ready to solve your moisture problems? Our experts will analyze your requirements and recommend the perfect dehumidifier solution within 24 hours.
+86-571-8805-3366
+86-153-0581-0157
Zhengtai Road, Chongwen Street, Weifang, Shandong, China
Business Hours
Monday - Friday: 9:00 AM - 6:00 PM (CST)
24/7 Emergency Support Available
Response Guarantee
✓ Email inquiries: Within 24 hours
✓ Technical questions: Within 48 hours
✓ Urgent issues: Immediate response
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Our team would be happy to meet you and learn all about your business, requirements and expectations.