Industrial Dehumidifiers — Heavy-Duty, High-Capacity, Manufacturer Direct

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.

In-Stock Supply

MOQ 1 Unit

OEM/ODM Services

ISO Certified Factory

Explore Our Industrial Dehumidifiers Categories

Find the perfect dehumidification technology for your specific environmental needs. 

Industrial Grade Dehumidifier (Scroll/Rotary)

Capacity: 200-2000L
Temp Range: -12.2–60°C
Best For: Warehouses, Cold Rooms, Laboratories

Large Industrial Dehumidifier (High-Capacity)

Capacity: 60-158L
Temp Range:5-38℃
Best For:Basement, Warehouse

Heavy-Duty Industrial Dehumidifier (Harsh Duty)

Capacity: 60-158L
Temp Range:5-38℃
Best For:Basement, Warehouse

Industrial Size Dehumidifier with Ducting

Capacity: 168–480 L/day (7–20 kg/h)
Temp Range: 2–38 °C
Best For: Cold rooms, cold-chain warehouses

Industrial Scale Dehumidifier

Capacity: 168–480 L/day (7–20 kg/h)
Temp Range: 5–60 °C
Best For: Drying rooms, high-heat workshops

Desiccant & Low-Temp Industrial Dehumidifier

Capacity: 168–480 L/day (7–49 kg/h)
Temp Range: -10–50 °C
Best For: Hazardous areas with flammable gases or vapors

Technical Specifications of Industrial Dehumidifiers

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
Dehumidifier Specifications
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
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How to Choose the Right Industrial Dehumidifier

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.

1. Calculate Your Space Volume

Tell us your length × width × height of the area to be dehumidified. Include adjoining spaces if they’re connected.

💡Pro Tip:

Add 20% to your calculation for areas with high air circulation or multiple openings.

Example: 20m × 15m × 4m = 1,200m³ space

2. Consider Operating Temperature

Different models perform optimally at different temperature ranges. Match the dehumidifier to your environment.

💡Pro Tip:

For cold environments below 10°C, choose models with hot gas defrost systems.

Standard: 5-35°C, Low-temp: -10-25°C

3. Determine if the room is airtight

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.

💡Pro Tip:

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%)

4. Determine Current Humidity Levels

Measure existing humidity with a hygrometer. Higher humidity requires more capacity for faster moisture removal.

💡Pro Tip:

Most industrial applications require 40-60% RH for optimal conditions.

80% RH → 50% RH requires higher capacity initially

5. Assess Power Requirements

Check available electrical supply (voltage, phase, amperage). Ensure adequate power capacity for continuous operation.

💡Pro Tip:

Consider power consumption costs - higher efficiency units save money long-term.

Single phase: 220V, Three phase: 380V

6. Evaluate Installation Location

Consider drainage options, ventilation requirements, noise restrictions, and accessibility for maintenance.

💡Pro Tip:

Plan for condensate disposal - gravity drain is most reliable for continuous operation.

Ceiling height minimum 2.5m, floor drain within 3m

Add-Ons & Custom Options of Rinwang Dehumidifier

Custom performance and presentation: enable smart connectivity, choose branded finishes, and specify built-to-order features to fit your environment, compliance needs, and budget.

Corrosion Protection

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.

Flexible Drainage

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

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.

Automatic Humidity Control

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.

High Airflow Power

An upgraded centrifugal fan provides higher airflow and wider coverage for rapid, even distribution—balancing humidity across corners and accelerating dehumidification in large spaces.

Smart Connectivity

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.

Appearance Customization

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.

Built-to-Order

Special voltages, plug types, filters, casters, drain kits, RS485/Modbus, remote display. Tell us your requirements; we configure units to match your site.

Critical Applications Across Industries

Don’t let excess moisture cost you time, money, and reputation. Our industrial dehumidifiers provide reliable moisture control solutions across diverse industries and applications.

Industrial dehumidifier for greenhouse, with a unit placed in front of a long greenhouse corridor.

Greenhouses & Seed Storage

Heavy-duty dehumidifiers cut disease risk and protect germination rates.

Cold Rooms & Freezers

Desiccant units prevent ice on doors and floors while keeping RH low at sub-zero.

Commercial Dehumidifier maintaining ideal humidity in a pharmaceutical laboratory setting

Pharma & Packaging

Tight RH for stability, cleanrooms, and foil/film handling.

Industrial dehumidifier operating in a large warehouse with shelves of goods.

Warehouses & Logistics

Large industrial dehumidifier systems protect cartons, labels, and electronics during seasonal swings.

Industrial dehumidifier in a large basement parking garage.

Basements & Tunnels

Industrial strength designs handle seepage, long duct runs, and poor access.

Industrial dehumidifier in a clean food processing facility.

Food & Beverage

 Industrial-grade humidity control reduces clumping and maintains HACCP compliance.

Don't See Your Industry Listed?

We’ve successfully provided moisture control solutions for diverse applications. Our engineering team can design a custom solution for your specific requirements.

About Shandong Ruiwang Industrial Technology Co., Ltd.

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.

Ruiwang employees and clients at a trade show.
Evaporator and condenser installation, copper pipe welding.

OEM Manufacturing at Scale

Technician performing refrigerant charging on a compressor unit.

Certified Quality & Safety

Commissioning and packing of commercial refrigeration units in a factory.

Energy-Efficient Drying

Ruiwang technician performs a fluorine filling operation in the factory.

Flexible MOQs & Lead Times

Production process using a CNC laser cutting machine in a factory.

Global Logistics & After-Sales

Trusted by Buyers in 23+ Countries

Why Choose Ruiwang Dehumidifier

Protect Your Inventory & Throughput

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.

Right-Sized for Your Facility

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.

Built for Heavy-Duty, 24/7 Operation

Industrial-strength frames, oversized coils, and protected electronics withstand dust, shocks, and voltage fluctuation—so you spend less on downtime and emergency callouts.

Lower Energy per Liter Removed

High-efficiency compressors and smart defrost logic reduce kWh/L. You get predictable humidity control with measurable operating cost savings across seasons.

Easy Integration with Your HVAC

Choose ducted, floor-standing, or skid-mounted units. BMS contacts, Modbus, and external sensors make control simple for your team and service contractors.

Understanding Industrial Dehumidifiers

What’s the difference between industrial grade, industrial size, and industrialstrength?

Industrial Grade

Components and duty cycle rated forcontinuous operation in commercial andindustrial spaces. Built for reliability and longterm performance.

Industrial Size

Larger coil and blower system with higherL/day capacity designed for big rooms orenvironments with high moisture infiltration

Industrial Strength

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.

Most Asked Questions

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.

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Get Your Free Consultation Today

Ready to solve your moisture problems? Our experts will analyze your requirements and recommend the perfect dehumidifier solution within 24 hours.

Contact Information

Phone & WhatsApp

+86-571-8805-3366
+86-153-0581-0157

Address

Zhengtai Road, Chongwen Street, Weifang, Shandong, China

Business Hours

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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Ruiwang employees and clients at a trade show.

Our team would be happy to meet you and learn all about your business, requirements and expectations.