What is More Preferred Air Chillers or Water Chillers?

In the industrial sector nowadays the use of advanced technology is increasing along with capital investment. Thus it is necessary to utilize highest degree of precision along with least amount of downtime to maximize production capabilities.

Use of Cooling Solutions

Different cooling solutions such as water as well as air cooled chillers are the answer to any industries necessity for accurate temperature control as well as complete reliability.

It is also worth mentioning here that price of not employing such cooling solutions can easily exceed the expenditure on implementing such solutions.

In the following sections let us look at air chillers as well as water chillers and their main differences.

Air Cooled Chillers

According to screw chiller manufacturers, such type of chiller usually absorbs heat out of the process water and this heat is consequently transferred into air that is present around chiller. These air chillers are normally utilized in applications in which extra heat discharge is not an issue.

Moreover, such extra heat is often used for warming plants in winter season to have added cost savings.

Water Cooled Chillers

These provide very good efficiency and are suitable for indoor placement. Some of the other features they have include higher tonnage capabilities as well as refrigeration containment.

The main constituents of these chillers are the compressor, evaporator, expansion valve and the condenser.

Which is better – air or water chillers?

Normally if we look from the point of view of compressor cost then you will get the impression that water cooled ones have better efficiency than their counterparts.

But things are changing now and air chillers are available with features like variable speed control as well as centrifugal compressors, making them more viable choice.

Operating Cost Comparison

In comparison to which type of chiller would be more preferred, we also need to look at the operation cost. Accordingly, for water chillers you need to take into consideration the operating expenditure on cooling tower.

Such cooling tower expenditure would include sewer and water cost, pumping and chemical cost as well as expenditure on recirculation and process pumps.

Since air chillers utilize floating head pressure control, the energy expenditure on compressor is far less as compared to any water chiller.

Let us now go through some of the other differences between these two types of chillers.

Air Chillers and Water Chillers

• In comparison to water chillers there is less requirement of maintenance in case of air chillers.

• These air chillers have no requirement of condenser water pumps or cooling towers as is required for water chillers.

• One of the negative aspects of air chillers is that they tend to consume nearly 10% extra power in comparison to water cooled chillers.

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Read above article useful information & knowledge for you.