Discover Friulair Air Cooled Liquid Chillers

Friulair designs and manufactures air cooled liquid chillers from 1 to 1,200 kW, engineered to deliver precise and reliable temperature control for industrial processes operating 24/7.
Our air cooled liquid chillers solutions combine energy efficiency, easy installation, and long‑term operational reliability across multiple industrial sectors.

What Are Air Cooled Liquid Chillers and How Do They Work?

Air cooled liquid chillers are a type of refrigeration system commonly used to cool process fluids, equipment, or spaces in industrial, commercial, and institutional settings. They rely on ambient air to reject heat and are favored for their simplicity, flexibility, and cost-effectiveness compared to water cooled liquid chillers. Air cooled liquid chillers reject heat directly to the air, avoiding the need for water management systems. Air cooled liquid chillers also require less infrastructure compared to water cooled liquid chillers (e.g., no cooling towers, pumps, or piping for water circulation) and offer simpler maintenance.


Working Principle of Air Cooled Liquid Chillers

 

  1. Refrigerant Cycle in Air Cooled Liquid Chillers:
    • Refrigerant absorbs heat in the evaporator, cooling the process liquid.
    • The heated refrigerant vapor is compressed, increasing its temperature and pressure.
    • In the condenser, heat is rejected to the surrounding air, and the refrigerant condenses into a high-pressure liquid.
    • The expansion valve reduces the refrigerant pressure, preparing it to re-enter the evaporator and complete the cycle.
  2. Process Liquid Loop in Air Cooled Liquid Chiller Systems:
    • The cooled liquid (usually water or a glycol-water mixture) circulates through the process or space being cooled, transferring heat to the refrigerant in the evaporator.

Air cooled liquid chillers offer a robust solution for diverse cooling needs, particularly in areas where water resources are limited or infrastructure for water-cooled systems is impractical. Their versatility and relative simplicity make them a popular choice across multiple industries.

Key Features and Advantages of Friulair Air Cooled Liquid Chillers

Energy Efficiency: Friulair air cooled liquid chillers are designed to deliver high energy efficiency across a wide range of industrial applications and operating conditions. Each unit is equipped with high‑efficiency compressors, advanced fan technologies, and optimized heat exchange coils that maximize cooling performance while minimizing energy consumption. This design approach significantly reduces operating costs while ensuring reliable and consistent temperature control. 

Environmental Sustainability: Our products are optimized to minimize environmental impact while ensuring maximum performance. 

Friulair air cooled liquid chillers for industrial process cooling

Easy Installation: Most air cooled liquid chillers include integrated tank and pump within the hydraulic compartment, simplifying installation. Each unit can be seamlessly integrated into an existing system or installed in new setups without power wastage.

Reduced Maintenance: In our air cooled liquid chillers, the clear arrangement of components, the simplicity of both the refrigerant and hydraulic circuits, and the numbering of the electrical system cables make routine operator checks easier, generally resulting in lower maintenance costs. 

Suitable for Temperate Climates: Friulair air cooled liquid chillers perform well in environments with moderate external temperatures, where the outside air is sufficient to dissipate heat. Optional versions are available for high/low air temperature applications and for low water outlet temperatures.

Reliability: The reliability and robustness of our air-cooled chillers are backed by high-quality materials and mechanical and electronic components from leading international brands in the industrial refrigeration sector.

Industry 4.0 Technology: Our air cooled liquid chillers are equipped with electronic controllers featuring proprietary software tailored to the specific functionalities of the product line. They include an RS485 serial communication port and integrate into Industry 4.0 automated systems.

Our Range of Air Cooled Liquid Chillers

We offer a wide selection of models covering various cooling capacities to suit different types of applications. Our product range is divided into several technology-based categories 

Compact: The compact design of our air cooled liquid chillers makes them ideal for installations in confined spaces, ensuring ease of installation and maintenance. 

Models: Liquid Chillers ACW QBS Series, FQBE Liquid Chillers with R513A Refrigerant , CWE Liquid Cooling Systems for Precision and Durability

Multi-Purpose: Our air cooled liquid chillers are suitable for a wide range of applications, known for their versatility and adaptability. With a broad range of available options, our chiller lines offer high configurability, allowing each unit to be tailored to meet customers' specific application and operational needs. 

Models: Liquid Chillers ACW QBS Series, FQBE Liquid Chillers with R513A Refrigerant , CWE Liquid Cooling Systems for Precision and Durability, CWB Liquid Cooling Systems for Precision and Durability, Screw Compressor Chillers FCWV Series

Heat Pumps: Our range of reversible heat pumps provides efficient heating and cooling solutions, ideal for managing thermal energy in production facilities. 

Models: Reversible Heat Pumps HEN Series

Plug & Play: The CWT series includes hydraulic components and condenser controls as standard, allowing for simplified installation and quick start-up for immediate operation. 

Models: CWT Series Water Chillers for Reliable Temperature Control

Multi-Scroll Technology: With the use of multiple compressors and variable-speed fans, the air-cooled liquid chillers CWT, CWB, and CFT provide high efficiency in all operating conditions, efficiently managing load even under partial load conditions. 

Models: CWT Series Water Chillers for Reliable Temperature Control, CFT Series Water Chillers for Reliable Temperature Control, CWB Liquid Cooling Systems for Precision and Durability

Integrated Free-Cooling: The CWB FC chiller features an intelligent energy-saving system that leverages low external temperatures. 

Model: CWB Liquid Cooling Systems for Precision and Durability

Screw Compressors: The CWV chiller range with screw compressors is ideal for applications requiring long operational life, high performance, and cooling capacities up to 1,200 kW. 

Model: Screw Compressor Chillers FCWV Series

Our solutions stand out for innovation, energy efficiency, and reliability, perfectly suited to complex industrial environments. 

Air Cooled Liquid Chillers Maintenance Requirements

  1. Regular Cleaning of Condenser Coils - Remove dust and debris to maintain efficiency.
  2. Inspection of Fans - Ensure proper operation and lubrication.
  3. Refrigerant Levels - Check for leaks and maintain optimal charge.
  4. Compressor Maintenance - Monitor performance and carry out preventative checks.
  5. Control System Checks - Update firmware and calibrate sensors as needed.

Frequently Asked Questions About Air Cooled Liquid Chillers

Air cooled liquid chillers are used to cool industrial processes, machinery, and fluids across sectors such as manufacturing, laser processing, food & beverage, wineries, and breweries. They provide precise temperature control without the need for water cooling towers.

Need Help Choosing the Right Air Cooled Liquid Chiller?

Our technical team can help you identify the most suitable solution based on your application and operating conditions.