What is Chiller Lift?

Joseph is an HVAC technician and a hobbyist blogger. He’s been working as an HVAC technician for almost 13 years, and he started blogging just...Read more

A chiller lift is a device that helps to circulate chilled water in a closed loop system. It consists of a pump, an evaporator, and a condenser. The chiller lift helps to maintain the temperature of the water in the system by circulating it through the evaporator and condenser.

This process is known as the refrigeration cycle.

If you’re not familiar with the term, chiller lift refers to the process of using a chilled water source to cool air. The most common type of chiller lift system uses a central cooling plant to circulate chilled water through a network of pipes to air handling units (AHUs) or other terminal units. The chilled water then passes through coils in the AHUs or terminal units, where it absorbs heat from the air passing over the coils.

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What are Some Common Causes of Chiller Lift

There are many potential causes of chiller lift, but some of the most common include: 1. Insufficient refrigerant charge: If the chiller is not properly charged with refrigerant, it will not be able to adequately cool the process fluid. This can lead to chiller lift and potentially damage the equipment.

2. Dirty or restricted air filters: Air filters play an important role in ensuring that the air flowing over the chiller coils is clean and unobstructed. If they become dirty or restricted, airflow will be reduced and the chiller will have to work harder to maintain proper temperatures, leading to lift. 3. Leaking seals or gaskets: Seals and gaskets help keep refrigerant from leaking out of the system.

If they are damaged or worn, leaks can occur which will reduce refrigerant levels and causelift. 4. Faulty compressor: The compressor is responsible for circulating refrigerant throughout the system. If it fails or is not operating properly, it can cause a drop in pressure which leads to lift.

How Can Chiller Lift Be Prevented

Chiller Lift is a condition that can occur when the temperature of the water in a cooling system drops below the dew point, resulting in the formation of ice on chillers and other components. While this is a naturally occurring phenomenon, it can be prevented with proper maintenance and operation of the cooling system. By keeping the system clean and free of debris, properly controlling the water temperature, and maintaining proper airflow around chillers and other components, Chiller Lift can be prevented.

What are the Consequences of Chiller Lift

Chiller lift is when a company operating a chilled water system (CW) increases the temperature of their return water to reduce energy consumption. The increased temperature results in increased risk of legionella bacteria growth and the potential for scalding if the return water comes into contact with people. In order to prevent these risks, companies must take extra precautions such as adding biocides to their system or using low-temperature CW systems.


Chiller lift is a type of lifting device that uses a refrigerant to cool and lift objects. It is typically used in industrial applications where heavy objects need to be lifted and moved around.

Joseph is an HVAC technician and a hobbyist blogger. He’s been working as an HVAC technician for almost 13 years, and he started blogging just a couple of years ago. Joseph loves to talk about HVAC devices, their uses, maintenance, installation, fixing, and different problems people face with their HVAC devices. He created Hvacbuster to share his knowledge and decade of experiences with people who don’t have any prior knowledge about these devices.

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