SMART THERMAL ENGINEERING & INDUSTRY 4.0

Wholesale Air Cooled Chiller System Suppliers & Pricelist

OEM/ODM Precision Water Chillers, Cold Plunge Integrated Platforms, and Low-GWP Eco-Refrigeration Systems Engineered for Tier-1 Commercial Wellness Hubs and Industrial Facilities.

INVENTORY SHOWCASE 01

High-Efficiency Thermal & Wellness Solutions

Explore our certified cold plunge refrigeration systems and therapeutic sauna infrastructure built under strict ISO & CE export engineering standards.

All-in-One Acrylic Cold Plunge Tub with Chiller

High-Quality Dongda All-in-One Acrylic Cold Plunge Tub with Chiller

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INDUSTRIAL APPLICATION BLUEPRINT

Macro-Industry Thermal Solutions: From Micro-Cooling to Industrial Plunges

Analyzing thermal dissipation mechanics, water filtration hydrodynamics, and closed-loop refrigeration across commercial wellness, athletic centers, and light industrial process cooling.

Athletic Recovery Facilities

Commercial cold plunge installations demand continuous pull-down capabilities from ambient 30°C down to 2°C with back-to-back user capacity. Our 1.5HP dual-stage heat pump chillers utilize oversized titanium heat exchangers to prevent chemical corrosion from sanitation salts and ozone dosing, ensuring 24/7 commercial duty cycling without system freeze-ups.

Spa & Contrast Biohacking Hubs

Modern thermal contrast suites integrate deep far-infrared sauna chambers with sub-4°C immersion tubs. Sourcing matched thermodynamic systems eliminates control protocol fragmentation. Our proprietary digital logic synchronization maintains high thermal precision across water modules and infrared spectrum arrays.

Precision Water Sterilization

Biofilm prevention in circulating cold water requires multi-stage sanitation. Our high-end chiller lines integrate inline UV-C sterilization chambers (254nm germicidal peak) partnered with 20-micron pleated sediment filters and automated ozone diffusion, reducing chemical biocides while passing strict municipal spa health regulations.

TECHNOLOGY ROADMAP

Refrigeration Engineering: 2026-2030 Technical Trajectory

A transparent breakdown of our thermodynamic advances, variable inverter compressions, and green refrigerant transitions.

Low-GWP Natural Refrigerants (R290/R32)

Under the EU F-Gas Regulation (EU 2024/573) and US EPA AIM Act, fluorinated greenhouse refrigerants face aggressive phase-downs. HK Dongda has transitioned 85% of our air-cooled lineup to propane (R290, GWP=3) and difluoromethane (R32, GWP=675). This architecture delivers a 12% higher volumetric cooling capacity while keeping clients zero-risk compliant.

Full DC Inverter Frequency Modulation

Moving beyond conventional on/off compressors, our upcoming 2026-2027 platforms incorporate brushless DC twin-rotary compressors. Modulating compressor motor speeds dynamically between 15Hz and 90Hz slashes electrical inrush currents, cuts operational noise below 48 dBA, and delivers a Seasonal Energy Efficiency Ratio (SEER) gain exceeding 28%.

IoT Edge Telemetry & Fault Diagnostics

Smart cold immersion systems now require smart monitoring. Dongda chillers integrate Modbus and Wi-Fi/Bluetooth Tuya microcontrollers, transmitting real-time evaporator suction temperatures, compressor head pressures, flow rates, and filter degradation directly to facility management clouds for predictive maintenance scheduling.

SMART FACTORY 4.0 INFRASTRUCTURE

Guangdong Industrial Supply Chain Resilience

Scale manufacturing backed by deep supply chain clusters, documented helium leak tests, and lean automated assembly lines.

600K+
Monthly Unit Output Capacity
200+
Skilled Assembly Specialists
100%
Helium Vacuum Leak Testing
6+
Global Auditing Accreditations

Cluster Density Advantage

Situated in the Pearl River Delta industrial core (Guangzhou-Foshan-Zhongshan), our facilities source pure Grade 1 titanium heat exchangers, specialized rotary compressors, and micro-channel copper condensors within a 50-kilometer radius, compressing production turnaround to under 21 days.

Rigorous Multi-Phase QA

Every chiller undergoes a 48-hour continuous hydraulic pressure loop, vibration analysis, automated electrical safety insulation probing, and simulated high-ambient (43°C) pull-down evaluations prior to wooden crate packaging, ensuring defect rates fall below 0.18% upon container arrival.

Turnkey OEM/ODM Engineering

From CAD shell customization (extruded powder-coated aluminum or 304/316 marine-grade stainless steel) to tailored inlet/outlet port pitches (4-point, quick-connect camlocks) and localized branded user apps, our industrial designers transform concept sketches into certified prototypes in under 14 days.

PROCUREMENT MATRIX & SPECIFICATIONS

Wholesale Chiller Sizing Matrix & Technical Benchmark

Engineering parameters for international B2B distributors, hotel procurement teams, and commercial fitness franchises.

Model Series Power Rating Cooling Capacity Refrigerant Voltage Standard Flow Rate Primary Commercial Application
MH-Compact Series 0.3 HP (330W) 850 Watts R290 110V / 220V 50/60Hz 600 L/H Residential Cold Tubs, Portable Inflatables
UV-Pro Series 0.3 HP (380W) 920 Watts R290 110V / 220V 50/60Hz 800 L/H Boutique Wellness Studios, Hotel In-Room Spas
Custom Flow Master 0.5 HP (650W) 1,600 Watts R290 110V / 220V 50/60Hz 1,000 L/H (4-Point) Private Brand Tubs, Custom Plunge Shells
Commercial Ultra-Chill 1.0 HP (1,100W) 2,900 Watts R32 220-240V 50/60Hz 1,500 L/H CrossFit Gyms, Recovery Lounges, Mid-Scale Spas
Extreme Pro-Titanium 1.5 HP (1,650W) 4,200 Watts R32 Dual Voltage (110V/220V) 2,200 L/H High-Throughput Athletics, Commercial Contrast Hubs
Procurement Note on Wholesale Pricelist: Final FOB/CIF volume pricing is indexed against compressor brands (Panasonic, GMCC, Highly), heat exchanger metallurgical composition (Titanium vs. Stainless Steel), and exterior chassis material (Sheet metal vs. Polyethylene). Contact our export logistics desk for landed cost modeling including tariff classifications and packaging containerization (20GP / 40HQ).
REGULATORY HARMONIZATION

Localized Compliance & Worldwide Certification Portfolio

Full regulatory confidence for fast customs clearance and direct retail distribution across North America, the European Union, Australia, and Asia-Pacific.

CE & Low Voltage (LVD)

Certified under EN 60335-1 and EN 60335-2-40 for electrical safety, electrical insulation, and continuous water-bearing appliance conformity throughout EU member states.

FCC & North America EMC

Tested against FCC Part 15 Subpart B standards. Micro-controller electromagnetic emissions are shielded to prevent interference with commercial telecommunications and smart equipment.

RoHS & REACH Ready

Free from lead, mercury, cadmium, hexavalent chromium, and restricted phthalates. Chemical analysis verified by SGS and CTTC testing laboratories for environmental hygiene.

BSCI & ISO 9001 Audited

Our manufacturing sites operate under documented ISO 9001 Quality Management and BSCI Social Compliance, guaranteeing ethical factory audits for international enterprise brands.

FAQ FOR WHOLESALE BUYERS

Frequently Asked Questions on Air-Cooled Chiller Sourcing

Clear, direct answers regarding engineering limits, customization scopes, warranty fulfillment, and shipping logistics.

What is the actual cooling delta and pull-down speed of your 1.5HP Chiller?
Under controlled test parameters (ambient temperature 25°C, insulated 400-liter water tub), our 1.5HP R32 unit pulls water down from 22°C to 4°C in approximately 120-150 minutes. Pull-down speed is influenced by ambient temperature, barrel insulation thickness, and whether a thermal barrier cover is utilized.
Can Dongda chillers operate both heating and cooling cycles (Reverse Cycle)?
Yes. Our standard high-end 1.5HP models are configured as reverse-cycle heat pumps, featuring a temperature regulation range from 2°C to 45°C. This allows single-system switching between ice bath therapy and soothing hot tub experiences via digital touchpad controls.
How does the titanium heat exchanger perform with salt or chemical water?
Unlike budget copper or low-grade stainless exchangers that pit and leak when exposed to ozone, chlorine, or Epsom salts, our Grade 1 pure titanium coaxial heat exchangers provide 100% corrosion immunity, ensuring a multi-year service life in commercial facilities.
What are the minimum order quantities (MOQ) for custom private branding?
For neutral factory packaging with basic silk-screened brand logos, our MOQ starts at only 5-10 units. For fully customized exterior chassis tooling, specialized powder-coat colors, custom firmware screens, and retail gift boxes, the typical MOQ is 50-100 units.
Are dual-voltage chillers compliant with US (110V/60Hz) and EU (230V/50Hz) grids?
Yes. We engineer dedicated electrical control assemblies tailored to regional frequencies. Our North American versions feature ETL-compliant wiring and 110-120V NEMA plugs, while European and Australasian shipments utilize standard 220-240V configurations with VDE-certified cabling.
What warranty terms and spare parts programs do you extend to importers?
We provide a 12 to 24-month comprehensive factory warranty on core components, including the compressor, titanium heat exchanger, and main logic PCB. Container orders include 1-2% complimentary spare parts (pumps, temperature sensors, switches) for rapid local support.
INVENTORY SHOWCASE 02

Modular Cold Plunge Chillers & Infrared Recovery Systems

Review additional commercial refrigeration modules, high-output PEMF therapeutic gear, and portable steam platforms for wholesale expansion.