Dehumidification for a Clothing Warehouse

Dehumidification in a clothing warehouse is critical for preventing mold, mildew, odors, and damage to fabric and packaging. Here's a complete guide to selecting and managing dehumidification systems for this type of environment:

Why Dehumidify a Clothing Warehouse?

Clothing, especially cotton, wool, leather, and packaged garments, is highly vulnerable to:

Mold and mildew (above 60% RH);

Musty odors and discoloration;

Rust or corrosion on hangers, zippers, shelving;

Damaged labels and packaging due to moisture;

Clothing warehouses are often large, poorly ventilated, and located in humid climates (especially in Southeast Asia or coastal regions), which makes industrial or commercial-grade dehumidification essential.

Target Humidity Levels in a Clothing Warehouse

Recommended Dehumidification Systems

Commercial Refrigerant Dehumidifiers

Refrigerant dehumidifier is best for warm, humid environments (≥20°C).

The industrial size dehumidifier is always energy-efficient.

The warehouse dehumidifier has extract large volumes of moisture daily.

Popular capacities:

90–120 pints/day for small zones (100–200 m²)

240–480 pints/day (110–220 L/day) for larger warehouses (500+ m²)

1000+ pints/day for centralized ducted systems in massive facilities

Ducted or Wall-Mounted Dehumidifiers

Integrates with warehouse HVAC or air handling units (AHUs)

Keeps floor space clear

Ideal for uniform distribution of dry air

Desiccant Dehumidifiers

Best for cold climates or low-temp warehouses

Works well below 10°C

Can reach <40% RH if needed

Used in high-end fashion storage, archival textile preservation, or leather-focused stock.

Operational Tips for Using a Dehumidifier

Placement & Airflow:

Distribute multiple units across zones if space is large or partitioned.

Ensure good airflow — no blocked vents or corners.

Use fans to promote even humidity across space.

Drainage:

Choose units with continuous drain hose or built-in pump.

Ensure water is piped to a floor drain or container to avoid overflow.

Monitoring & Automation:

Use industrial humidistats or IoT systems to:

Monitor RH 24/7

Send alerts if moisture spikes

Automatically activate units as needed

Maintenance:

Clean filters monthly

Check coils and condensate systems regularly

Inspect for signs of mold or moisture buildup around units

Additional Tips for Warehouse Dehumidification

Keep warehouse doors closed when humid air is outside.

Avoid stacking clothes directly on concrete floors — use pallets or shelving.

Consider dehumidifier + HEPA air scrubber setup if dust/mold is already an issue.

If you store high-value clothing, use data loggers to track temperature/RH history.