Cold Room Dehumidifier
We manufacture dehumidifiers for chilled storage, freezer rooms, and cold chain facilities.
Our desiccant systems control moisture, condensation, fog, and frost under demanding low-temperature conditions.
- Low-temperature Operation (−45°C to 10°C)
- Customized Capacity & Airflow Design
- Flexible Installation Options
- OEM & ODM Manufacturing
Why Cold Rooms Need Dehumidification?
Reduce Condensation
Helps reduce condensation on walls, ceilings, equipment, packaging, and stored goods.
Control Frost & Ice
Helps reduce frost and ice buildup around doors, evaporators, and other cold surfaces.
Improve Visibility & Safety
Reduces fog and slippery surfaces caused by moisture entering refrigerated areas.
Protect Stored Products
Helps prevent damp packaging, damaged labels, and other moisture-related product issues.
Cold Room Dehumidification Solutions for Different Temperature Ranges
Our cold room dehumidifiers deliver reliable moisture control for various low-temperature storage applications.
Chilled Cold Room
- Typically operates at approximately 0–10°C.
- Uses low-temperature refrigerant or desiccant dehumidifiers.
- Reduces condensation, fog, and wet packaging.
Freezer Cold Room
- Typically operates at approximately −18 to −28°C.
- Desiccant dehumidifiers are generally recommended.
- Reduces doorway ice and evaporator frost.
Blast Freezer Room
- Typically operates at approximately −25 to −45°C.
- Uses low-dew-point desiccant dehumidification systems.
- Controls frost around entrances and freezing equipment.
Refrigerant vs. Desiccant Dehumidifiers for Cold Rooms
Feature | Refrigerant Dehumidifier | Desiccant Dehumidifier |
Operating Temperature | Approx. 3–38°C | Approx. −20–50°C |
Best For | Chilled and refrigerated rooms | Freezers and sub-zero cold rooms |
Humidity Control | General RH control | Low RH and low dew point control |
Low-Temperature Performance | Efficiency decreases as temperature drops | Maintains effective drying at low temperatures |
Defrost | Automatic defrost may be required | Less affected by low-temperature frosting |
Cold Room Dehumidifier Installation Options
We provide flexible installation options for different cold room layouts, airflow designs, and humidity control requirements.
In-room Installation
- Compact unit installed directly inside the cold room.
- Suitable for smaller chilled storage spaces.
- Requires components designed for the operating temperature.
Outside-room Ducted Installation
- Main equipment installed outside the refrigerated area.
- Dry air enters through insulated supply ducts.
- Simplifies maintenance and reduces equipment exposure to extreme cold.
Doorway and Airlock Installation
- Dry air is supplied near doors and transition zones.
- Reduces moisture entering during frequent door opening.
- Helps control fog, frost, and doorway ice.
Centralized Multi-zone System
- One system serves multiple cold rooms or storage zones.
- Uses independently designed supply and return-air ducts.
- Suitable for large cold chain warehouses and processing plants.
Customize Your Cold Room Dehumidification System
Share your cold room layout, airflow requirements, and installation conditions. Our engineers will recommend the most suitable configuration.
Featured Desiccant Dehumidifiers for Cold Rooms
MCH-100XF-02 Rotary Desiccant Dehumidifier
- Dehumidification Capacity: 0.5 kg/h
- Process Airflow: 150 m³/h
- Reactivation Airflow: 70 m³/h
- Desiccant Wheel: 200 × 50 mm
MCH-200XF-02 Rotary Desiccant Dehumidifier
- Dehumidification Capacity: 0.8 kg/h
- Process Airflow: 210 m³/h
- Reactivation Airflow: 80 m³/h
- Desiccant Wheel: 200 × 50 mm
MCH-600XF-01 Rotary Desiccant Dehumidifier
- Dehumidification Capacity: 3 kg/h
- Process Airflow: 600 m³/h
- Reactivation Airflow: 200 m³/h
- Desiccant Wheel: 300 × 100 mm
MCH-1000XF-02 Rotary Desiccant Dehumidifier
- Dehumidification Capacity: 9 kg/h
- Process Airflow: 1200 m³/h
- Reactivation Airflow: 450 m³/h
- Desiccant Wheel: 450 × 200 mm
MCH-1500XF-01 Rotary Desiccant Dehumidifier
- Dehumidification Capacity: 10 kg/h
- Process Airflow: 1580 m³/h
- Reactivation Airflow: 550 m³/h
- Desiccant Wheel: 570 × 200 mm
MCH-5000XF-01 Rotary Desiccant Dehumidifier
- Dehumidification Capacity: 29 kg/h
- Process Airflow: 5000 m³/h
- Reactivation Airflow: 1700 m³/h
- Desiccant Wheel: 800 × 200 mm
Industries We Serve
Our cold room dehumidifiers support various industries with stable humidity and moisture control.
Food & Beverage Storage
Prevents frost, condensation, and moisture problems in refrigerated warehouses for frozen foods, beverages, and temperature-sensitive products.
Pharmaceutical & Medical Storage
Maintains stable humidity conditions to protect medicines, vaccines, and healthcare products stored in temperature-controlled cold storage environments.
Cold Chain Logistics
Provides reliable humidity control for cold chain warehouses, distribution centers, and refrigerated facilities during storage and transportation processes.
FAQs
Which cold rooms can use a dehumidifier?
Cold room dehumidifiers can be used in chilled rooms, freezer rooms, blast freezers, cold chain warehouses, airlocks, and refrigerated processing areas.
Can a cold room dehumidifier operate below 0°C?
Yes. Desiccant dehumidifiers are suitable for sub-zero applications, while refrigerant models require specialized low-temperature and defrost configurations.
How is cold room dehumidifier capacity calculated?
Capacity is calculated from room volume, temperature, target dew point, door activity, outdoor humidity, product moisture, personnel, and ventilation loads.
What regeneration heating methods are available?
Depending on system size and site utilities, regeneration can use electric heating, steam, gas, hot water, or available waste heat.
How can energy consumption be reduced?
Proper moisture-load calculation, airflow control, insulated ducts, variable-speed fans, suitable regeneration heating, and optimized operating schedules help reduce energy use.
What maintenance does a cold room dehumidifier require?
Routine work includes cleaning filters, checking ducts and seals, inspecting the desiccant rotor or refrigeration circuit, and verifying sensors, fans, and controls.
Can the plug of a cold room dehumidifier be customized?
Yes. Plug type, voltage, and frequency can be customized for different markets. Large three-phase cold room dehumidifiers are usually supplied with terminal wiring instead of plugs.
Do you provide OEM and ODM cold room dehumidifiers?
Yes. OEM and ODM services can include customized specifications, appearance, branding, electrical configurations, packaging, documentation, and application-specific system design.