Do you know the required cooling power for an application? If you do, then choosing a chiller with that cooling capacity makes things simple.
For example, a process that needs 3 kW cooling power at 20°C will function well with a 4 kW chiller. Chiller manufacturer Julabo recommends sizing up in cooling power by a factor of 25 percent to provide the necessary cooling power for the application.
Learn more in this blog post from Julabo.