Industrial Air Control Systems

Reliable Temperature Humidity Controlling Equipment In the World & in China

Pioneering ultra-low dew point rotary desiccant engineering down to -70°C, zero-tolerance cleanroom environments, and closed-loop VOC recovery solutions verified at gigafactory scale worldwide.

Primary Engineering Catalog

High-Precision Moisture Control & Recovery Systems

Manufactured according to ISO 9001 and GJB national military standards to guarantee operational stability across demanding manufacturing setups.

DP -70°C DHU Rotary Desiccant Dehumidifier

Desiccant Dehumidifier (DHU)

Rotary honeycomb desiccant system delivering consistent moisture elimination below -70°C dew point for lithium battery dry rooms.

Product Details
Turnkey EPC Turnkey Dry Room System

Turn-key Dry Room System

Complete clean-and-dry architectural enclosures, HVAC integration, advanced controls, and validation for EV battery assembly plants.

Product Details
≥99% Yield ZJRH Series NMP Recovery System

NMP Solvent Recovery System

Deep condensative recovery of N-Methyl-2-pyrrolidone solvent from electrode coating exhaust, cutting emissions and OPEX.

Product Details
RTO Ready JEN Series VOC Abatement System

VOC Abatement System

Advanced regenerative thermal oxidation (RTO) combined with pre-condensation scrubbers for industrial air emissions purification.

Product Details
Standard RH Refrigerative Dehumidifier

Refrigerative Dehumidifier

Cost-optimized DX mechanical refrigeration for precision warehouses, raw materials staging, and pretreatment air units.

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Multi-Stage High Capacity Dry Room AHU

Industrial Desiccant Skid

Modularized air handling skids engineered with dual-rotor silica gel wheels for large-scale aerospace and cleanroom facilities.

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Energy Saver Thermal Recirculation NMP System

Closed-Loop Solvent System

Integrated closed-circuit exhaust drying for chemical manufacturing lines with automated internal heat exchangers.

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Vapor Recovery Oil Gas Recovery Device

Oil Gas Condensation Plant

Specialized cooling condensation modules designed for volatile organic handling during bulk petrochemical transfer terminal operations.

Product Details
E-E-A-T Verified Capabilities

Why Global Industry Relies on China's Advanced Climate Control Infrastructure

An in-depth look at how Hangzhou DryAir's integrated engineering base matches European and American standards with unmatched manufacturing scale.

Supply Chain Integration

Hangzhou DryAir leverages the robust Yangtze River Delta industrial belt. Rotor manufacturing, ASME-compliant welding, refrigeration compressors, and microprocessor controllers are clustered within a 100km radius, reducing component lead times by 40% compared to Western counterparts.

Military & Export Certifications

Factory processes adhere to strict GJB national military protocols alongside ISO 9001 quality audits. For international plant deployment, all DryAir equipment is custom-engineered to meet CE, UL, CSA, ASME, and EAC standards, ensuring streamlined permitting across the US, EU, and Asia-Pacific.

Gigafactory Field Validation

DryAir controls over 30% of China’s high-end battery dehumidification market. Having deployed systems for CATL, BYD, EVE, Tesla, and Northvolt, our thermal models are validated by real production data, not simulated calculations.

Macro Trend Analysis

The Global Shift Toward Ultra-Low Dew Point & Energy Efficiency

Rising demand for next-generation energy storage, pharmaceutical biosimilars, and carbon-neutral production is redefining the technical requirements for industrial dehumidification.

-70°C
Minimum Supply Dew Point
≥99%
NMP Solvent Efficiency
30%+
China Market Share
200+
Monthly Unit Capacity

1. Evolution toward Solid-State & Sodium-ion Manufacturing

Traditional lithium-ion cell production typically operates at -40°C to -50°C dew point thresholds. However, solid-state electrolytes and metallic lithium foils react vigorously with trace moisture, releasing toxic gases and degrading cell kinetics. Next-generation production requires reliable, continuous performance at -70°C dew point air with zero operational deviation.

Hangzhou DryAir's multi-stage desiccant configuration incorporates synthetic zeolite and ultra-dense silica gel rotors with secondary heat-pipe pre-cooling to deliver these extreme dew points with 25% lower energy consumption than legacy desiccant setups.

2. Closed-Loop Thermal Regeneration & Decarbonization

Dehumidification is often the single highest operating cost (OPEX) in cleanrooms due to thermal wheel regeneration. Modern international buyers prioritize carbon footprint metrics and lifecycle cost reductions.

Our solutions feature waste-heat integration systems that harvest energy from coater exhaust, plant-wide steam loops, or chiller condensers. By utilizing regenerative thermal energy loops, factory operators save thousands of megawatt-hours annually while meeting regional emissions regulations.

Application Engineering

Localized Scenarios: Engineering Precise Psychrometric Envelopes

Environmental stability must be calibrated to the specific moisture-sensitivity thresholds of the active material and process chemistry.

Industrial Sector Specific Critical Process Environmental Tolerance Primary Failure Risk Avoided Recommended Equipment Profile
Lithium Battery Gigafactory Electrolyte Injection & Cell Sealing -50°C to -70°C DP Hydrofluoric acid (HF) generation, swelling, explosion risks Turnkey Dry Room System + Double-Rotor DHU
Electrode Fabrication Continuous Slurry Coating & Drying ≥99% VOC Recovery Atmospheric solvent emissions, hazardous workplace toxicity NMP Solvent Recovery System (ZJRH)
Pharmaceutical Cleanrooms Effervescent Tablets, Dry Powders, Gelatin 10% to 20% RH (±1.5°C) Powder agglomeration, microbial contamination, capping failures Rotary Desiccant Dehumidifier (DHU)
Aerospace & Defense Avionics Assemblies, Solid Rocket Motors ≤35% RH (GJB Compliant) Electrochemical corrosion, propellant oxidation, component drift High-Capacity Military Environmental Skid
Bulk Petrochemical Terminals Vapor Recovery from Tank Farms Local Emission Caps Vapor cloud explosion hazards, VOC compliance penalties VOC Abatement System (JEN / Condensation)
Procurement Insights

Global Enterprise Procurement: Key Evaluation Metrics

A comprehensive checklist for engineering heads and procurement teams vetting climate control systems.

Envelope Hermetic Integrity

The dehumidifier cannot perform reliably if cleanroom wall and ceiling seams allow latent moisture migration. Procuring full turnkey dry room packages guarantees unified structural sealing, low-leakage airlocks (Class 1 hermetic standards), and balanced room pressurization.

True Latent Load Calculations

Many overseas bids fail because they underestimate latent loads from operators (sweat and respiration) and airlock cycling. DryAir’s 74 technical specialists run psychrometric audits calculating real-world shift loads, infiltration, and door-opening frequencies to prevent system undersizing.

Rotor Desiccant Chemistry

Rotors must be matched to operational pollutants. While standard silica gel works well for pharmaceuticals, high-solvent industrial lines require chemical-resistant rotors that avoid cross-contamination and resist acidic vapors over extended lifespans.

Frequently Asked Questions

Technical & Engineering Procurement Q&A

Clear, direct answers regarding installation, certification, warranties, and operating specifications.

What is the lowest dew point a DryAir desiccant dehumidifier can achieve?
DryAir rotary desiccant dehumidifiers control supply air down to a verified minimum of -70°C dew point. This ultra-low humidity level is essential for lithium battery cell assembly, pouch cell electrolyte injection, and sodium-ion battery research.
Do you supply complete turnkey dry rooms outside China?
Yes. We engineer and deliver complete turnkey dry room projects covering early-stage layout consulting, computational psychrometrics, enclosure manufacturing, on-site mechanical erection, PLC commissioning, and validation. We have delivered projects for global enterprises including Tesla, Northvolt, and TTI.
Which certifications do DryAir systems hold for international markets?
DryAir equipment can be supplied with CE, UL, CSA, ASME, and EAC certifications based on project destination requirements. Our facilities operate under strict ISO 9001 quality management and China’s GJB national military standard framework.
What recovery rate can a DryAir NMP recovery system reach?
DryAir ZJRH series NMP recovery systems consistently achieve solvent recovery efficiencies of 99% or higher on cathode coating lines. This minimizes raw material spend and helps plants stay well within local VOC discharge permits.
What after-sales and on-site support is available for international facilities?
Overseas clients can choose an optional 2-year service agreement. This program includes remote real-time PLC diagnostics, dispatched installation engineers for mechanical setup and commissioning, and regional spare parts warehousing for swift component replacement.
How does DryAir reduce the regeneration energy footprint of desiccant wheels?
DryAir designs utilize proprietary waste-heat recovery loops, dual-wheel staging, and variable-frequency fan modulation. By recycling exhaust air heat to pre-warm incoming regeneration streams, our systems cut overall electrical and thermal utility consumption by up to 30%.
Factory Deployment Systems

Engineered Turnkey Climate Systems for Global Orders

Shortlist systems engineered to maintain mission-critical uptime across global installations.

Custom Cleanroom Cleanroom Dry Enclosure

Dry Room Enclosure Panel Modules

High-density rockwool and PU insulated wall systems with low-leakage joinery designed to maintain sealed dry air boundaries.

Explore Room Systems
Heavy Industrial High Capacity Dehumidifier

Large CFM Desiccant Station

Custom-engineered central desiccant air handlers scaled for major battery manufacturing lines and industrial dry warehouses.

Explore Dehumidifiers
Solvent Scrubbing Electrode Coater Recovery System

Zero-Emission NMP Scrubber

Integrated chemical extraction skids engineered to capture volatile organic solvents from continuous coating and drying ovens.

Explore Recovery
Thermal Clean RTO Oxidizer Unit

Thermal Oxidizer Unit (RTO)

High-temperature destruction of hazardous atmospheric pollutants with internal ceramic matrices recovering over 95% of thermal energy.

Explore Abatement
Refrig Chilled Commercial Pre-Cooling Dehumidifier

Pre-Cooling Condensing Station

Direct expansion refrigeration air handling systems designed to strip gross water content before secondary desiccant treatment.

Explore Refrigerative
Military Grade Defense Equipment Protection Unit

Defense Hardware Preservation Dehumidifier

Ruggedized, mobile-ready climate conditioning assemblies engineered to protect munitions, hardware, and radar assemblies from corrosion.

Explore Defense Line
Pharma GMP Pharma Cleanroom Dehumidification System

GMP Pharmaceutical Dehumidifier

Sanitary stainless-steel construction with fully washable internal channels for antibiotic filling, packaging, and softgel drying.

Explore Pharma Tech
Vapor Capture Deep Condensation Hydrocarbon Recovery

Deep Condensation Hydrocarbon Skid

Multi-stage cryogenic cooling system for industrial solvent recovery and petrochemical exhaust purification.

Explore Hydrocarbon
Global Engineering Support

Request a Custom Psychrometric Load Calculation

Send us your room dimensions, target dew point requirements, personnel traffic counts, and exhaust volume targets. Hangzhou DryAir engineers will generate a comprehensive heat-mass balance model and equipment specification within 24 hours.

Talk to a Senior HVAC Engineer Learn About Global Support