Factory-direct portable dehumidifiers for basements, crawl spaces, warehouses and restoration jobs. OEM/ODM support, fast delivery, and reliable moisture control for your projects.
Choose from compact home/basement units to heavy-duty industrial portable dehumidifiers. Our mobile designs are easy to move between rooms, warehouses, jobsites and crawl spaces, helping you keep critical areas dry, safe and mold-free.
| Capacity (30°C, RH80%) | 158L/D |
| Voltage Frequency | 220V/50Hz |
| Apply area | 200-260m² |
| Power | 2600W |
| Fan | 1400m³/h |
| Fan (CFM) | 824 CFM |
| Work Temperature | 5°C-38°C |
| Control Humidity | 10%-95% |
| Refrigerant | R410a/R22 |
| Weight | 56kg |
| Size | 485×400×950mm |
Compare airflow, drainage options, operating temperature and rated moisture removal across our most popular models. Share your basement size, crawl space height or project conditions, and our engineers will match the right portable dehumidifier for you.
| Model | RW-601E | RW-901E | RW-1381E | RW-1581E |
|---|---|---|---|---|
| Capacity (30°C, RH80%) | 60L/D | 90L/D | 138L/D | 158L/D |
| Voltage Frequency | 220V/50Hz | 220V/50Hz | 220V/50Hz | 220V/50Hz |
| Apply Area | 60-120㎡ | 100-180㎡ | 160-220㎡ | 200-260㎡ |
| Power | 850W | 1600W | 2100W | 2600W |
| Fan | 850m³/h | 1200m³/h | 1200m³/h | 1400m³/h |
| Fan (CFM) | 500 CFM | 706 CFM | 706 CFM | 824 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 | 32kg | 44kg | 45kg | 56kg |
| Size | 400×370×700mm | 485×400×950mm | 485×400×950mm | 485×400×950mm |
| 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 |
Each feature below ties to outcomes that matter on site: faster drying, steadier humidity, fewer call-outs, and simpler upkeep. Clear, benefit-first bullets help spec and purchase decisions happen faster.
Branded compressors, robust fans and quality coils ensure stable performance and long service life under continuous operation.
Digital controller, auto restart, defrost and timer functions simplify operation for homeowners, contractors and facility teams.
Reinforced housing, large wheels or handles, washable filters and anti-corrosion parts built for jobsite and warehouse conditions.
Optimized airflow and refrigerant / desiccant systems reduce running costs while maintaining target humidity.
Built-in tank or continuous hose / pump drainage to suit basements, crawl spaces and unattended operation.
Front-access filter and components help your service team manage maintenance quickly, reducing downtime.
Ideal for bedrooms, living rooms, offices and storage rooms where users need quiet, compact units with stable humidity and simple controls.
High-capacity portable units for water damage restoration, gyms, warehouses, rental fleets and construction sites, designed for fast drying, easy transport and reliable performance.
Basement-specific units with continuous drainage and powerful airflow to prevent mold, protect structures and keep storage goods dry in high-humidity areas.
Low-height, ductable solutions tailored for crawl spaces and under-house use, helping protect wooden beams, insulation and indoor air quality.
Solutions for workshops, equipment rooms, warehouses and production lines to reduce corrosion, protect electronics and stabilize process conditions.
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.
Find quick answers on industrial portable, basement, crawl space and OEM portable dehumidifiers. For project-specific questions, our team will reply within 24 hours.
RW-1581E is rated 158 L/day (30 °C, 80%RH). The portable lineup spans multiple models around it (e.g., 60/90/138/158 L/D), so you can match room size and target RH precisely.
Yes. Share room size, height and humidity level; our engineers will suggest suitable portable or crawl space units with proper drainage and control options.
We are a China-based manufacturer with in-house production and testing, supplying OEM/ODM portable dehumidifiers to brands, importers and distributors worldwide.
Condensing units are ideal for normal-temperature basements and rooms; desiccant models perform better in low temperatures or critical humidity control environments.
Yes—OEM/ODM is available (logo/packaging, capacity matching, coil/filtration options). Models also support RS485 for multi-unit online control when specified. Contact our team to match your spec and protocol.
Share your coverage area, target RH, voltage/phase, drainage preference, and timeline—our engineers will size and quote a ready-to-deploy 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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