Mini Cooling Unit

  • Extremely small in size , yet powerful in performance
  • Small and lightweight, designed to integrate into a wide array of applications
  • Efficient operation with a Coeefficient of performance(COP) >3.0W/W
  • 12V/24V/48V DC power supply, operating in battery, vehicle or solar power
  • Prolonged devices lifespan with MTBF>90,000

Mini Cooling Unit

The Best Cooling Capacity for Full-Size on the Market

As a professional manufacturer of miniature compressors in China, MOIR continues to develop our solutions and our people in the same innovative way. We move on by engineering and manufacturing the liquid cooling system leveraging our years of experience in miniature refrigeration technology.

The small liquid cooling is designed to meet the growing demands for thermal management in ultra-compact solutions. Through our group of savvy technicians with abundant know-how, MOIR can work with our customers on the micro cooling system with uncompromising standards, ultimate performance, and the highest efficiency.

The miniature liquid chiller module( LCM) features lightweight, compact, efficient, and reliable. Because of its micro characteristic, the miniature dc chiller can meet the requirements of many challenging applications in a variety of industries, including laboratory instruments, life sciences, medical laser cooling, personal cooling, and various main components.

Apart from the standard small refrigeration units, MOIR works closely with our customers for OEM and tailor-made solutions. Please contact us for a free evaluation of your project.

Miniature rotary compressor production line

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Low Noise, Miniature Plate-P Type Mini Cooling Unit

The Rugged & Efficient Battery-Driven Small Liquid Chiller for Recirculated Water

MCU400 Plate-P Chiller

MCU400 Plate-P Chiller

  • Refrigerant: R134a
  • Compressor: Single-cylinder rotor
  • Weight:  3.3kgs (7.26lbs)
  • Capacity: 450W (Temp. Dependent)
  • Voltage: 12V/ 24V/ 48V DC 
  • Temperature Range: ±20℃ (-4~68℉)
  • Drive Board: Included 
  • Dimension: 275x175x138mm 


  • Core Parts: Miniature compressor, condenser, evaporator, capillary
  • Features: Integrated electronic controller allows you to precisely regulate and maintain temperature of the circulating water

MCU600 Plate-P Chiller

  • Refrigerant: R134a/R290 
  • Compressor: Twin-cylinder rotor
  • Weight: 3.6kgs (7.92lbs)
  • Capacity: 600W (Temp. Dependent)
  • Input Voltage: 24V/ 48V DC 
  • Temperature Range: ±20℃ (-4~68℉)
  • Drive Board: Included 
  • Dimension: 197 x 190 x 148mm 


  • Core Parts: Miniature compressor, condenser, evaporator, capillary
  • Features: An advanced promising thermal solution for your cooling instruments, dissipating heat effectively
MCU900 Mini Water Chiller Unit

MCU900 Plate-P Chiller

  • Refrigerant: R134a/R290 
  • Compressor: Twin-cylinder rotor
  • Weight: 4.8kgs (10.56lbs)
  • Capacity: 900W (Temp. Dependent)
  • Input Voltage: 24V/ 48V DC 
  • Temperature Range: ±20℃ (-4~68℉)
  • Drive Board: Included 
  • Dimension: 246 x 190 x 180mm


  • Core Parts: Miniature compressor, condenser, evaporator, capillary
  • Features: The mini water chiller operates quietly and effectively, well-suited for electronics, personal, laser, medical cooling systems, etc.

Mini Cooling Unit Advantages

Offered mini-compressor technology and Full-size Thermal Management in Mobile and Confined Space
Smallest Footprint

Shoe-boxed size, easy to integrate into the end-users system, allowing end-users maximum design flexibility.

High Efficiency

Compact in size, yet large in power density, delivers 4x to 6x more efficiently than thermoelectrics

Prolonged lifespan
Prolonged lifespan

Reliable long-lasting systems,  with a mean time between failures in excess of 90,000 hours. 

High reliability
DC-Powered Supply

12V/24V/48V DC power suppy, ideal for mobile and off-grid refrigeration & air conditioning applications

High efficiency
Higher COP

Variable speed inverter drive board provides a high Coefficient of Performance as high as 3.0W/W

High Reliability

Each unit runs through strict quality tests, can work under high temperature conditions up to 55℃

Variable Speed Rugged Mini Cooling Unit

Suited for DC-Powered Demanding Applications Covering the Ordinary to the Extraordinary

MOIR has a long track record of developing and manufacturing DC cooling solutions for customers.   The DC cooling unit is tailored to the needs of engineers and system integrators in demanding applications from the compact circulating chiller, battery thermal management, precision instrument, and white goods to transportation refrigeration.
 
The MCU series mini liquid cooling kit is a sealed vapor compression circuit with a DC-powered supply, low-noise, low-vibration, variable-capacity miniature BLDC inverter compressor, designed as an evaluation kit for manufacturing engineers to build their liquid cooling application on.   The evaporator integrated into the thermal system’s refrigerant loop is a brazed plate heat exchanger to interfaces with the end user’s OEM liquid coolant circuit.  The MCU600 comes with an advanced 24V DC inverter board, the chiller system’s speed can be regulated from the upper system by frequency or analog signal.  The end users also can set their desired temperature precisely which can help save the amount of electricity.
 
MOIR, an innovative miniature cooling manufacturer, as always, has the ambition to deliver the highest efficiency while meeting the latest market requirements and global energy regulations.  Our mini cooling solution with natural refrigerant R290 compatibility is the outcome of our innovation.   The R290 mini chiller has no direct contribution to the environment and its energy consumption is 30% lower than the similar system with R134a or R404.
 
Your brand deserves the best in refrigeration.  Join us, and discover our innovation and how we are revolutioning compact refrigeration.
MCU600 Mini Water Chiller Unit

Mini Cooling Unit Features

The benefits of Plate liquid chiller module include ultra small radiator and high heat flux. It provides excellent cooling performance and also allows the end user to adapt for ultimate flexibility.

  • Easy to integrate to interface with OEM water circuit
  • Hermetically sealed, no leakage, and free maintenance
  • Flexible for portable and mobile applications in limited space
  • Operate in conditions where battery, wind, or solar power are available
  • Versatility across LBP, MBP, HBP air conditioning and refrigeration systems
  • Variable-capacity miniature compressor enhances precise temperature control
  • Powerful system delivers significant cooling over a wide range of operating temperatures
Mini cooling unit applications

Mini Cooling Unit Typical Applications

Due to their compact size, low weight, and reliability, the recirculating water chiller are ideally suited for mobile or portable chilled applications

  • Mini-chilled water systems
  • Electronics cooling systems
  • Portable air conditioner
  • Miniature freezer system
  • Medical laser equipment
  • Aesthetic laser device
  • Beverage dispensers
  • Drone docking station
  • Verticle micro-farming
Advanced Motor Driver Controller

Mini Vapor-Compression Technology

The secret of its impressive compactness is in the HPC high power cooling technology. The recirculating water chiller utilizes the latest generation variable speed, miniaturized vapor compression technology, which overcomes the most bulky and heavy past technology. This cutting-edge technology is able to rapidly dissipate the heat produced by the high power of the diode.

The mini chiller can be easily integrated into users’ devices. The user connects their coolant loop over the evaporator and provides airflow over the condenser. Moreover, the end user can interface with the variable speed drive board to provide the system with precise speed and temperature regulation as desired.

Mini Cooling Unit - Compact Liquid Chiller Applications

Small Cooling Systems and Optimum Thermal Solutions for Medical, Laser, Life Science, EV Batteries, Beverage Cooling
Compared to widespread Peltier technology which is relatively compact yet has high power consumption and limited cooling effect, the DC chiller solution is a game-changer alternative to the Peltier principle.  The performance restrictions have always been a challenge for thermal management and refrigeration applications in ultra-thin space.   Utilizing our in-house developed DC-powered small compressor which barely had the size of a 330ml drink can,  the powerful liquid cooling system provides a significantly smaller footprint and a higher level of compactness than traditional solutions.
 
With the growing demand for small cooling solutions on the global market, the miniature compressor-based refrigeration system has sat availability along the small footprint and high performance of modern life.  Frequently approached by clients who want to take advantage of MOIR’s micro cooling expertise, we have successfully established and customized various cooling and temperature control systems based on the 24V and 48V mini-compressors to help provide them with a competitive advantage
 
Thanks to the cooling unit’s low-voltage technology, the necessary safety approvals for precision equipment applications such as medical, and laser sectors, can be obtained much more easily.   Hence, the dc mini chiller is very popular in many thermal management as well as in numerous customer-specific applications where compactness and reliability are key parameters.  The applications includes below but no limited.
 
  • High power UV LEDs
  • Air conditioning units
  • Athletes Recovery
  • Pets crate air cooling
  • Laser & Chips cooling
  • CPU server cooling
  • Food processing
  • Hydrotherapy & Cryo chill
  • Electric vehicle battery storage
  • Semiconductor manufacturing
  • Laboratory equimpment cooling
Smart Farming
Food & Beverage
Medical Equipment
Medical & Pharmaceutical
Body Cooling
Body Cooling
Lab Equipment
Lab Equipment
Semiconductor Manufacturing
Mother-Board Cooling
Motorsports

Compact Cooling Solution - Increasing Demand Expected

Experience isn’t in short supply at MOIR.  We challenge ourselves day in, day out to advance variable-capacity DC-powered mini-cooling technology.  Time and again, our DC cooling system have proven their worth, earning us a reputation for reliability and innovation.  Our marketing team, notes a rising global demand for DC cooling solutions, a trend that led to fruitful collaborations with many companies in the HVAC, healthcare, and transportation industries.
 
As a professional manufacturer and supplier in the compact thermal field, we’ve introduced and customized a series of cooling and speed control DC mini chillers powered by direct current inverter mini rotary compressors.  Also, to meet the new regulation with the need to replace HFC refrigerants which have a high impact on the environment, we in-house develop the most extended range of high-efficiency Green Cooling compressors for R290 intending to offer quality and eco-friendly chillers using state-to-art technology.  This remarkable innovation matches the performance of traditional reciprocating compressors and Peltier coolers while boasting superior compactness, reduced weight, and whisper-quiet operation.  Its low-voltage technology simplifies safety approvals for many demanding applications, especially medical equipment, battery thermal management, and mobile refrigeration in limited space.
 
With partnerships forged with leading system-integrated OEM manufacturers, MOIR now offers an extensive lineup of DC liquid chillers.  Our annual delivery of  5,000 systems more globally underscores their popularity, with the 600-watt models flying off the shelves and lower & higher wattage variants also available to meet diverse needs.
 
At MOIR, innovation isn’t just a buzzword- it’s in our DNA.  In 2023, we took a significant step towards sustainability by adopting a natural nearly carbon-neutral refrigerant R290 in our miniature compressor.  We’re committed to providing our active liquid cooling units with a minimal footprint. We are setting new benchmarks.   Our advancement in the DC cooling system segment underscores our commitment to pushing boundaries.
twin-motor compressor
Twin-Cylinder Pump
Eco-Friendly Solution
Green Cooling Soltuion
Energy- Saving
Energy-Saving
Rock-Solid Reliability

Mini Cooling Unit Manufacturer and Supplier- Your Trustworthy Partner

At MOIR, we’re always committed to one single idea in focus.  No, actually, it’s not just an idea.  It’s a passion for miniature cooling that has made us march our own way to provide clients with competitive advantages in the market.  Instead of keeping the same, we continue to develop our thermal solutions and our people in the same innovative way to meet the emerging requests on the market.   The extremely compact thermal systems that are often less than a shoebox are what we developed to fulfill the increasing demand.
 
Unlike other traditional icy water coolers or Peltier coolers on the market today, the active-cooling mini liquid chiller is a compressor-circulating cooling system.   It employs a refrigeration cycle that lets them remove heat from a variety of liquids or air.    The mini cooling unit consists of the core components ( mini compressor, condenser, evaporator, capillary), allowing the integrators to adapt to the coolant fittings for ultimate flexibility.   The compact cooling chiller not only facilitates installation but also delivers outstanding cooling performance and low energy consumption.
 
The DC chiller units have substantial technological advantages: small footprint, low weight, quiet operation, high efficiency, less maintenance, environmentally friendly, reliability and so forth.   They’re tailored for the cutting-edge demanding applications across medical equipment, industrial laser, battery thermal management, and other precision instruments.   Powered by the variable-capacity BLDC miniature compressor, the compact cooling systems generate cooling capacity greater than systems 10 times their size.  You cannot find this level of cooling in this size package anywhere else.

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