Industrial Dehumidification Case Studies

Customer Profile
Name: Michael, Warehouse Operations Manager
Location: United States
Company: Leading Third-Party Logistics Provider
Facility: 35,000 sq ft pharmaceutical and electronics storage warehouse

Michael’s company was battling high indoor humidity that was damaging stored inventory. Cardboard packaging was sagging, and he noticed mold spots on fabrics and electronics. The goal was to keep humidity well below 70% RH to avoid spoilage and corrosion

Problems & Goals

The facility experienced critical humidity management challenges threatening their client relationships and bottom line. These issues demanded immediate professional intervention to prevent escalating losses.

  • Moisture damage to stored pharmaceuticals and electronics worth $1.3M annually
  • Condensation on packaging causing label deterioration and barcode scanning failures
  • Unable to maintain consistent 45-50% RH across 35,000 sq ft warehouse space
  • Previous portable units requiring constant drainage and manual repositioning
  • Client threats to terminate contracts due to product damage claims

Our Solutions 

We conducted a comprehensive facility analysis and implemented a strategic dehumidification system. The solution prioritized automated operation, energy efficiency, and consistent performance across the entire warehouse footprint.

  • Deployed 12 units of RW-4881E industrial dehumidifiers (20kg/h capacity each)
  • Strategic placement based on CFD analysis for optimal air circulation (5,600m³/h per unit)
  • Integrated continuous drainage system eliminating manual water removal
  • Implemented smart humidity control with ±1% RH precision monitoring
  • All units featuring high-efficiency rotary compressors with R410a refrigerant
  • Installation completed over one weekend to minimize operational disruption
 

Results

The implementation delivered immediate and sustained improvements exceeding initial projections. ROI was achieved within 14 months through damage prevention and energy savings.
 
– Humidity Control: Stable 47% RH maintained consistently across all zones
– Damage Prevention: $1.8M annual savings from eliminated product losses
– Energy Efficiency: 65% reduction in climate control energy costs
– Operational Impact: Zero humidity-related claims for 18 consecutive months
– Client Retention: 5-year contract renewals from pharmaceutical clients
“ The RW-4881E units transformed our warehouse environment completely. We've eliminated product damage claims and our pharmaceutical clients renewed their contracts for another 5 years based on our improved storage conditions. The automated drainage and remote monitoring features mean our maintenance team can focus on other priorities.”
Michael Thompson
Warehouse Operations Manager

Customer Profile

Name: Sarah, Facilities Director
Location: Singapore
Company: Premium Office Complex Management Company
Facility: 8,500 sq ft basement in 12-story office building

A prestigious office complex battled persistent basement moisture issues affecting tenant satisfaction and building integrity. The basement housed critical building infrastructure and storage areas requiring dry conditions.

Problems & Goals

Chronic moisture problems in the basement created health hazards and structural concerns. The situation required a permanent solution to protect both tenant health and property value.

  • Persistent mold growth in 8,500 sq ft basement affecting indoor air quality scores
  • Tenant complaints about musty odors spreading to upper floors through HVAC system
  • Foundation wall seepage during spring thaw causing 75% RH spikes
  • $45,000 annual mold remediation costs and increasing insurance premiums
  • Risk of losing anchor tenants due to air quality concerns
  • Building value depreciation from visible moisture damage

Our Solutions 

We designed a ceiling-mounted system to maximize usable floor space while providing comprehensive moisture control. The solution emphasized quiet operation and maintenance-free performance suitable for a premium office environment.

  • Installed 6 ceiling-mounted RWDD-2881E units for space-saving deployment
  • Each unit providing 288L/D extraction capacity with whisper-quiet operation
  • Connected to building drainage system for maintenance-free water disposal
  • Implemented phase sequence protection for stable 380V operation
  • Added remote monitoring via RS485 interface for centralized building management
  • Coordinated installation with building maintenance to avoid tenant disruption
 

Results

The system eliminated all moisture-related problems while improving overall building operations. Tenant satisfaction scores increased significantly following implementation.
 
  • Humidity Level: Consistent 45% RH maintained year-round
  • Mold Elimination: 100% mold-free environment for 18+ months
  • Cost Savings: $38,000 annual savings from eliminated remediation
  • Air Quality: IAQ scores improved from “Poor” to “Excellent”
  • Tenant Satisfaction: Zero moisture-related complaints since installation
  • Property Value: 8% increase in building appraisal value
 
“ We finally solved the mold and odor issues in our building. Thanks to Ruiwang Team and their support.”
Sarah Mitchell
Facilities Director

Customer Profile

Name: James, Technical Manager
Location: United Kingdom
Company: Municipal Sports & Leisure Authority
Facility: 12,000 sq ft indoor aquatic center with Olympic pool

A public aquatic facility struggled with severe condensation issues threatening structural integrity and patron safety. The high-humidity environment created unique challenges requiring specialized equipment capable of handling chlorinated air.

Problems & Goals

Excessive humidity from pool evaporation created dangerous conditions and accelerated facility deterioration. The management needed a robust solution capable of handling the aggressive pool environment.

  • Severe condensation damaging steel roof structure and HVAC systems
  • Window fogging creating safety hazards for lifeguards’ visibility
  • Chloramine buildup due to poor air circulation affecting swimmer health
  • Guest complaints about uncomfortable humid conditions reducing memberships
  • £28,000 annual structural repair costs from moisture damage
  • Energy waste from excessive ventilation attempting to control humidity

Our Solutions 

We engineered a comprehensive dehumidification system specifically designed for the corrosive pool environment. The solution balanced humidity control with energy recovery to minimize operating costs.

  • Deployed 8 units of RW-7281E high-capacity dehumidifiers (30kg/h each)
  • Integrated with existing HVAC for optimal air distribution (8,000m³/h airflow)
  • All units equipped with special corrosion-resistant coating for chlorine environment
  • Automated humidity control maintaining 55-60% RH for patron comfort
  • Included heat recovery system to recycle energy and reduce heating costs
  • Strategic positioning to create proper air circulation patterns preventing dead zones

Results

The installation transformed the facility environment while significantly reducing operating costs. The improved conditions led to increased membership and extended facility lifespan.

  • Humidity Control: Optimal 58% RH maintained consistently
  • Condensation: 92% reduction in visible condensation
  • Maintenance Savings: £24,000 annual reduction in repairs
  • Energy Efficiency: 30% reduction in heating costs via heat recovery
  • Safety Improvement: Zero visibility-related incidents since installation
  • Membership Growth: 18% increase in annual memberships
 
“ Rinwang's product solved our condensation nightmare. Visibility is perfect, structural integrity is preserved, and our energy costs dropped by 30% thanks to the heat recovery feature. These units handle our harsh pool conditions without any degradation in performance.”
James Anderson
Technical Manager

Customer Profile

Name: Robert, Production Manager
Location: Thailand
Company: Premium Hydroponic Vegetable Producer
Facility: 25,000 sq ft high-tech greenhouse complex

An advanced hydroponic facility growing premium tomatoes faced disease pressure from humidity fluctuations. Their high-value crop required precise environmental control to maximize quality and yield.

Problems & Goals

Humidity management proved critical for disease prevention and optimal fruit development. The operation needed precise control to meet stringent quality standards for premium markets.

  • Botrytis and powdery mildew outbreaks destroying 15% of tomato crop value
  • Inconsistent humidity zones across 25,000 sq ft growing area affecting uniformity
  • Night-time humidity spikes to 90% causing disease proliferation
  • €180,000 annual crop losses due to fungal infections
  • Inability to maintain optimal 65-75% RH for fruit development
  • Reduced market prices due to quality inconsistencies

Our Solutions 

We implemented a distributed dehumidification network integrated with existing climate computers. The system provided zone-specific control while maintaining energy efficiency crucial for competitive production costs.

  • Installed 15 units of RWDD-506Pints specialized greenhouse dehumidifiers
  • Each unit handling 506 pints/day with variable speed operation
  • Microchannel heat exchanger technology for maximum energy efficiency
  • Wind pressure detection ensuring optimal performance in greenhouse condition
  • Zone-based deployment allowing section-specific humidity management

Results

The system dramatically reduced disease pressure while improving crop quality and yield. The investment paid for itself through increased production and premium pricing.

  • Humidity Control: Perfect 70% RH maintained day and night
  • Disease Reduction: 94% decrease in fungal infections
  • Yield Increase: 22% improvement in marketable yield
  • Quality Premium: 30% price increase for improved fruit quality
  • Energy Efficiency: 40% lower dehumidification energy costs
  • ROI Achievement: Full payback in 8 months
 
“ The RWDD-506Pints units revolutionized our greenhouse operation beyond expectations. Disease pressure dropped dramatically, and our premium tomatoes now command 30% higher prices due to improved quality and consistency. The ROI was achieved in just 8 months - remarkable for greenhouse equipment.”
Robert Van Der Berg
Production Manager

Customer Profile

Name: Maria, Quality Assurance Director
Location: Spain
Company: International Frozen Food Distribution Center
Facility: 18,000 sq ft multi-temperature cold storage

A major frozen food distributor faced ice formation problems in their cold storage facility. The challenging low-temperature environment required specialized equipment capable of effective operation near freezing.

Problems & Goals

Ice formation in cold storage areas created safety hazards and increased operating costs. The facility needed dehumidification that could function reliably in near-freezing conditions.

– Ice formation on products and equipment in 2-8°C storage zones
– Frost buildup blocking evaporator coils requiring defrost every 48 hours
– Product packaging deterioration from condensation during loading operations
– 30% increase in defrost cycles raising energy costs by €95,000/year
– Safety hazards from ice formation on floors causing worker injuries
– Product rejection from retailers due to frost-damaged packaging

Our Solutions 

We deployed specialized low-temperature dehumidifiers designed for cold storage environments. The system featured advanced defrost technology ensuring continuous operation without ice buildup.

  • Deployed 10 units of RWDW-4881E low-temperature resistant dehumidifiers
  • Electric heating system for fast defrosting maintaining operation at 2°C
  • PTC corrugated heat sink technology preventing ice formation on units
  • Continuous operation capability with intelligent automated defrost cycles
  • Thickened copper tubes with hydrophilic coating for cold conditions
  • Strategic placement near loading docks to prevent moisture infiltration

Results

The installation eliminated ice-related problems while significantly reducing energy consumption. Worker safety improved dramatically with zero slip-and-fall incidents.

  • Humidity Achievement: Stable 35% RH in cold zones
  • Ice Reduction: 78% decrease in ice formation
  • Energy Savings: €72,000 annual reduction in defrost energy
  • Safety Record: Zero ice-related accidents in 12 months
  • Product Quality: 100% packaging integrity maintained
  • Efficiency Gain: 65% reduction in defrost cycle frequency
 
“ Keeping our cold rooms dry was critical. Rinwang team helped us to avoid mold and rust altogether, and their service is great! Will keep ordering for new project.”
Maria Rodriguez
Quality Assurance Director

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