Choose warehouse dehumidification around your stored goods, operating temperature, humidity or dew point target, and loading activity. Rinwang manufactures industrial and commercial dehumidifiers and helps procurement teams and contractors review equipment options for warehouse projects.
Share your site conditions so we can review the technology route, capacity, airflow, installation format, and electrical configuration before you compare models.
Project installations across regions
Technology matched to cargo and temperature
Per-unit capacity, combinable into zoned multi-unit systems
50/60 Hz, single- or three-phase, set before production
These are the six moisture failures warehouse buyers raise with us most often, across logistics, FMCG, electronics, and pharma operations. If your QC, claims, or facilities team is logging any of them, uncontrolled humidity is usually part of the cause — and they are best addressed as one system, not six separate fixes.
Corrugated cartons absorb moisture progressively over weeks, losing stacking strength before any visible damage appears. Sizing must account for cumulative moisture load, not just peak humidity events, so cartons keep their stacking strength through the storage period.
Adhesive labels and barcode stickers lose tack and curl as cartons absorb moisture, causing scan failures at picking and dispatch. Holding RH stable across storage zones — not just lowering it once — keeps labels flat through the storage cycle.
Mold growth becomes more likely where surfaces stay damp and RH remains high for extended periods — most often in corners and zones with poor air movement. Uniform air distribution matters as much as total capacity, which is why our sizing accounts for dead-zone risk, not just the room average.
Bare ferrous parts face higher corrosion risk when RH stays above 60%, especially in coastal and tropical climates. For metal-heavy facilities we design to a lower RH target and advise on unit placement to reduce the localized humidity pockets that a single room reading can miss.
Cold steel surfaces can fall below the air's dew point even when overall RH looks acceptable, creating localized condensation. We size against surface temperatures and dew point, not just room averages, because a general RH meter can read fine while racking still sweats.
Condensate pooling near dock doors creates slip risks for pedestrians and forklift traffic. Dehumidifier placement near loading zones is part of our standard layout recommendation, so moisture is addressed where it enters rather than after it reaches the floor.
Storage requirements differ by product, packaging, handling pattern, and temperature. Use the applications below to identify the questions that affect equipment selection. Final humidity targets should follow the goods’ storage requirements and the site’s quality procedures.
For a closer look at target conditions, read our warehouse humidity levels guide. For project selection, tell us what you store, the required condition, and whether the whole warehouse or only selected zones need control.
Microbial growth, mold, and premature spoilage become more likely above 60% RH, and food-safety programs such as HACCP and BRC expect storage conditions to be monitored and controlled. Most food warehouses target 45–60% RH to balance microbial suppression with packaging integrity, since over-drying also weakens corrugated cartons. We typically specify continuous-drainage industrial units with stainless drain trays for food-zone deployments.
Hygroscopic agricultural commodities absorb ambient moisture rapidly, risking mold, mycotoxins, and flavor degradation. Coffee and tea: 50–60% RH helps preserve aroma, dry weight, and cupping value. Tobacco: 55–65% RH maintains leaf pliability while limiting fungal growth. Mountain or remote-region warehouses often run on unstable grid supply, so we check voltage stability and backup power before specifying any unit — see the coffee warehouse case below.
GMP and WHO-GDP guidance expect temperature and humidity in storage areas to be monitored and documented. Many APIs and finished products are moisture-sensitive, so the storage range is set by each product's labeled conditions and the site's quality team rather than one industry number. Applicable models offer RS485 / Modbus communication so humidity data can feed the facility's monitoring or building management system. We have also supplied a ducted system for a pharmaceutical API production area designed to 45±5% RH, which passed its regulatory audit.
Moisture promotes oxidation on PCB pads, leads, and connector pins, while very dry air raises ESD risk — so the target is a balance. General electronics storage commonly sits around 30–60% RH. Dry storage for moisture-sensitive devices under IPC/JEDEC J-STD-033 is a different class of requirement, usually handled with dry cabinets or dedicated desiccant systems rather than warehouse-wide dehumidification. Applicable models support RS485 / Modbus for humidity logging through the site's control system.
Iron, steel, and alloy parts face higher corrosion risk when RH stays above 60%, especially in coastal and tropical climates, so many metal stores aim below 50% during humid seasons. Anti-corrosion coatings extend protection but do not replace environmental control. For high-value tooling, precision parts, and long-term metal inventory, we design multi-unit systems with engineered air distribution to keep low-RH conditions even across the storage area.
Hygroscopic materials expand and contract with humidity shifts, causing dimensional instability and quality issues. Paper: 45–60% RH helps prevent warping and degradation. Textiles: mold and mildew risk rises above 65% RH, causing staining and fiber damage. Leather: 45–55% RH balances mold risk against drying and cracking. We specify uniform airflow distribution to reduce dead-zone risk in stacked storage.
At low temperatures, frost forms on standard evaporator coils and capacity falls, while cold surfaces and frequent door openings keep adding moisture. Our low-temperature dehumidifiers are designed for environments as low as 2°C with coil-temperature-triggered four-way-valve defrost, helping reduce ice and condensation on floors, racks, and equipment in cold-chain warehouses and staging areas. For rooms held below 2°C, we recommend desiccant dehumidification instead.
See low-temperature range →Middle East, Southeast Asia, and African warehouses face year-round heat and humidity challenges. High-temperature environments reduce standard refrigeration efficiency and place extra stress on motors, coils, and electrical systems. Our 5–60°C high-temperature dehumidifiers use reinforced copper tubing and high-airflow fans for these conditions, and we have supplied warehouse projects across the Middle East, Southeast Asia, and Africa.
See high-temperature range →Dock-door openings and loading activity, outdoor air infiltration and ventilation, and moisture carried in by goods, packaging, and floor cleaning. In an active warehouse, doors usually matter more than floor area.
How far the target RH sits below outdoor conditions, room temperature (cold rooms reduce refrigerant capacity), and ceiling height and rack layout, which decide how evenly dry air reaches every zone.
Every recommendation is built from your project data, not a single formula. For a step-by-step explanation, read our warehouse humidity control guide.
We use your operating conditions to review:
If key measurements are missing, we will identify what needs to be checked before the equipment selection is finalized.
The required capacity is only one part of a workable warehouse system. Before finalizing a quotation, confirm the following site conditions:
| Site item | What to share |
|---|---|
| Storage and layout | Stored goods, controlled zones, room dimensions, ceiling height, and rack layout |
| Operating conditions | Normal and minimum temperature, current RH, and target RH or dew point |
| Moisture entry | Dock doors, opening frequency, ventilation, and known leaks or wet processes |
| Power | Voltage, phase, frequency, and available supply capacity |
| Installation | Floor-standing, suspended, or ducted requirements and maintenance access |
| Moisture disposal | Condensate route for refrigerant units; regeneration-air route for desiccant systems |
| Purchasing | Destination, estimated quantity, project timing, and required documents |
Not sure about every item? Send what you have and tell us which conditions still need to be measured.
Start with the technology route that fits your temperature and control target, then compare the applicable models. Published capacity and control settings do not, by themselves, confirm performance at your site. Model suitability is reviewed against the actual operating conditions.
168–2,400 L/day · 24/7 operation · Continuous drainage · Coil-temperature-triggered four-way-valve defrost · CE · ISO 9001
For general warehouse projects, review the industrial refrigerant range and share your temperature, RH target, door activity, and layout for model selection.
Smaller single-zone storage, staging or buffer rooms, and back-of-house areas with a moderate moisture load.
60–158 L/day · Compact footprint · Built-in pump drain · Hygrostat control
See commercial range →
Ambient temperature regularly exceeds 35°C — common in Middle East, sub-Saharan Africa, and tropical SE Asia warehouses.
5–60°C operation · Reinforced copper tubing · Hydrophilic fins · Sustained high-temperature performance
See high-temperature range →
Our low-temperature refrigerant series is designed for environments as low as 2°C. Selection still depends on the humidity target, actual moisture load, and model performance under the proposed conditions.
Designed for environments as low as 2°C · Coil-temperature-triggered four-way-valve defrost · Anti-frost evaporator · Stainless steel drain tray
See low-temperature range →
For rooms below 2°C, low-dew-point requirements, or applications needing a desiccant route, review our rotary desiccant equipment. Process airflow, regeneration air, heating power, and duct arrangements are part of the selection.
320–3,000 m³/h standard airflow · Electric regeneration · Ducted process & regen air · PLC control
See desiccant range →A buyer asked us to review dehumidification for a green-coffee warehouse in a mountain region of Southeast Asia. The site used a 220 V single-phase supply with generator support and reported unstable grid voltage.
No intermediaries, no markup layers. Our ISO 9001–certified facility manufactures industrial dehumidifiers from 60 to 2,400 L/day under OEM/ODM terms, with orders from a single unit. Sample-order validation before container-volume commitment means your QC team signs off on actual production units — not catalogue photos. Procurement timelines are built around your project schedule, not a distributor's stock cycle.
Our warehouse dehumidifiers operate across Asia, the Middle East, Europe, Africa, and the Americas. We've resolved 110V/220V/380V configuration requirements, single-phase generator constraints, tropical-climate condensate management, and sub-5°C cold-chain installation challenges across all these markets. Share your site conditions and we match the power and climate configuration before your order is built.
Voltage, phase, and frequency set for regional grid requirements before production. Plugs to destination-country standards on single-phase units. Optional anti-corrosion coil coating for coastal and chemical warehouse environments. RS485 / Modbus communication on applicable models, and Wi-Fi app control on selected portable models. Branded control panels and export packaging. We engineer what your project requires — not sticker placement over a standard unit.
Coil-temperature-triggered four-way-valve defrost supports 24/7 industrial duty. Compressors from Panasonic, Hitachi, and LG, rated for industrial duty cycles rather than residential use. Used in hot-climate Middle East warehouses and cold-chain installations. Standard warranty: 1 year on the full unit and 3 years on the compressor, with lifelong technical support.
Manufacturing
Self-declared, documents on request
Full product range
Custom orders from 1 unit
We size by warehouse volume, moisture sensitivity, loading frequency, target RH gap, and climate conditions, not only floor area. Experience in 35+ countries helps calibrate each project. Complex warehouses may need extra data for detailed modeling.
The right RH depends on what you store. Food, paper, textiles, and pharmaceuticals often sit around 45–60% RH, metals are usually kept below 50% RH, and general electronics storage around 30–60% RH. We help confirm the range for your goods — see our guide to warehouse humidity levels for the reasoning.
It depends less on floor area than on door openings, cargo type, target RH, climate, and how evenly dry air must reach every zone. Large or divided warehouses usually perform better with several units placed by zone than with one large unit, which also keeps part of the space covered during servicing. Send us your parameters and we return a unit count with the layout.
Industrial models (168–2,400 L/day) are built for large warehouses, 24/7 operation, and multi-unit layouts, with RS485 / Modbus communication on applicable models for connection to a building management system. Commercial models (60–158 L/day) suit smaller storage, buffer rooms, staging areas, and flexible temporary humidity control.
Start with the operating temperature and the condition you need to maintain. General warehouse projects may use refrigerant equipment; colder environments may require a low-temperature refrigerant or desiccant route. Our low-temperature refrigerant series is designed for environments as low as 2°C. Rooms below 2°C or projects with lower dew point requirements should be reviewed for a desiccant configuration. The final model depends on the actual conditions and required performance.
Send the stored goods, warehouse dimensions and height, temperature range, current and target humidity, door activity, power supply, destination, quantity, and project timing. A layout or site photos can help us review airflow and installation constraints. If some details are unknown, describe the problem and send the information available.
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168–2400 L/day. High-capacity warehouse dehumidification for logistics hubs, cold storage, and large-format distribution centres.
See industrial dehumidifier range →60–158 L/day. For small to mid-sized warehouses, staging areas, and retail back-of-house environments.
See commercial dehumidifier range →Overhead-mounted warehouse dehumidifiers for low-clearance facilities — no floor footprint, no obstruction to racking or forklift access.
See ceiling-mounted dehumidifier range →Project write-ups including a third-party logistics warehouse — with RH targets, unit counts, and layout decisions.
Browse warehouse dehumidification case studies →How to size a warehouse dehumidifier, RH targets by commodity type, and installation planning guides.
Product datasheets, CE declaration of conformity, ISO 9001 certificate, and test reports.
Download product datasheets & certificates →Your information will be kept strictly confidential.
Our team would be happy to meet you and learn all about your business, requirements and expectations.
