Comparing Types Of Chiller Unit

Chiller units play a vital role in maintaining optimal temperatures for various applications ranging from large office buildings to industrial facilities. Among the diverse array of chillers available, three main types stand out: water cooled chillers, air cooled chillers, and absorption chillers.

Each comes with its own set of advantages, ideal uses, and operational differences. Below, we explain the differences between each type of chiller unit to help you make an informed decision for your specific cooling needs.
 

Water Cooled Chillers

Water cooled chillers are a popular choice for large-scale cooling applications where water is readily available for use in the cooling process.

Key features and benefits include:

• Efficiency: Water cooled chillers tend to be more efficient than their air cooled counterparts, especially in high-temperature environments.
• Quiet operation: They generally operate quieter than air cooled chillers, making them suitable for noise-sensitive environments.
• Space considerations: Water cooled chillers typically require less physical space, making them suitable for installations where space is at a premium.
• Long lifespan: Due to their design, they often have a longer lifespan in comparison to air cooled chillers.
   

Ideal Uses:

• Large office buildings
• Industrial facilities
• Data centres
   

Air Cooled Chillers

Air cooled chillers are known for their simplicity and versatility, making them a popular choice for various cooling applications.

Key characteristics and advantages include:

• Ease of installation: Air cooled chillers are easier to install since they do not require a water source for cooling, making them suitable for locations where water availability is limited.
• Lower maintenance costs: They typically have lower maintenance costs compared to water cooled chillers due to the absence of water-related components.
• Outdoor installation: Air cooled chillers are designed for outdoor installation, eliminating the need for additional indoor space.
• Energy efficiency: While they may be less efficient than water cooled chillers in certain conditions, advancements in technology have improved their energy efficiency.
    

Ideal Uses:

• Commercial buildings
• Retail spaces
• Healthcare facilities
    

Absorption Chillers

Absorption chillers offer a unique cooling solution that relies on heat energy rather than mechanical compression. Although less common than water cooled and air cooled, they have some distinct advantages:

• Energy source flexibility: Absorption chillers can utilise various energy sources such as natural gas, waste heat, or solar energy, offering flexibility in operation.
• Quiet operation: Similar to water cooled chillers, they operate quietly, making them suitable for noise-sensitive environments.
• Environmentally friendly: They can be more environmentally friendly than a traditional chiller unit, especially when utilising renewable energy sources.
• Long-term cost savings: Despite higher initial costs, absorption chillers can result in long-term cost savings, particularly in areas with high energy costs.
    

Ideal Uses:

• Facilities with access to waste heat or renewable energy sources
• Eco-friendly buildings
• Remote locations without access to traditional power sources
    

Innovative Chiller Unit Design, Manufacture, Installation & Servicing

When choosing a commercial or industrial chiller unit, it’s essential to consider factors such as efficiency, space requirements, maintenance costs, and suitability for your specific application.

This is where Johnson Controls can help, we are experts in all areas of HVAC Equipment and solutions. We design, manufacture, install and service a wide range of HVAC systems, including water cooled, air cooled and absorption chiller units.

Our water cooled chillers excel in efficiency and are ideal for large-scale applications, while our air cooled chillers offer simplicity and versatility, particularly in locations with limited water availability. Our absorption chillers provide an environmentally friendly cooling solution with energy source flexibility, making them suitable for eco-conscious projects or areas with alternative energy sources.
  

Johnson Controls - Chiller Unit Options To Suit Your Needs

We can help you select the most suitable option to meet your cooling needs effectively. Contact one of our experts using the form here to discuss your cooling requirements or use the links below to contact us about our specific chiller types:

• Water cooled chillers
• Air cooled chillers 
• Absorption chillers