What are Differences between Chiller and Fridge?

What are Differences between Chiller and Fridge?

Both chillers and fridges are cooling machines. Their working principle is basically same, extracting heat from materials through refrigeration and evaporation. There are some differences between chillers and fridges as well. Something detailed is as follows.

1. Different Cooling Ranges.

Chillers can lower the temperature of liquids in the range of 7 to -1 degree celcius, while fridges can be used for cooling the objects as well but to the temperature range of 3 to 5 degree celcius.

2. Different Cooling Materials and Application Fields.

Chillers are usually used to lower the temperature of liquids and cool chemical substances and materials, which are widely adopted in  industrial, chemical, biological fields and other fields. However, fridges are more often used to preserve food and  make it stay fresh, highly using home.

3. Different Sizes

Chillers are more large-scale than fridges due to their different applications.

 

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    chiller

How to Calculate the Efficiency of Chiller?

There are three efficiency calculation approaches for chillers, including tons of refrigeration, efficiency formula EER = Btu/hr cooling/watts and dividing the 846,000 Btu/hr by the 69.06 kW-hr consumed to yield an EER of 12.25, and a COP of 3.59.

These three efficiency calculation approaches are quite precise, because they are not general estimations but precise formulas. Calculating precisely is very crucial to estimate a chiller is good or not, and also to choose a proper chiller.

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