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Types of Condensing Unit

Nov. 18, 2022

The condenser is one of the key pieces of equipment in a refrigeration system and is usually placed outside the building or possibly inside the chiller room. There are two main types in use today: shell and tube condensers and air-cooled condensers.


What is a condenser?

A condenser is found in general refrigeration systems. It is used to cool the refrigerant that is sent from the compressor, which is in a gaseous state at high temperature and pressure. The condenser acts as a cooling agent, condensing the refrigerant into a liquid. The temperature is low, but the pressure remains high.


The main media used in condensers are air or water for cooling. The main components used for heat transfer in condensers must take into account two main factors: having good thermal conductivity and corrosion resistance.

Copeland Air-cooled Hermetic Compressor Unit

 Copeland Air-cooled Hermetic Compressor Unit         


Types of condensers

Generally, condensers can be divided into 3 types.


1. Air-cooled condensers

Air-cooled condensers are used to cool the heat of the refrigerant and condense it from a gaseous state to a liquid refrigerant. Typically, this type of condenser uses finned coils, which are usually made of copper tubes and fins, increasing the surface area and allowing heat to be removed from the refrigerant in the condenser.


2. Water-cooled condensers

Water cooled condensers use water as the medium to cool the refrigerant from the gaseous state and condense it into a liquid refrigerant, making the water warmer.


Two Stage Air Cooled Screw Condensing Unit

Two-Stage Air Cooled Screw Condensing Unit      

3. Evaporative condenser

Evaporative condensers use both water and air to transfer the heat from the gaseous refrigerant into the condensate. The principle of the evaporative condenser is to combine a water-cooled condenser and a cooling tower into one.


Kendall is a professional manufacturer of refrigeration equipment that integrates research and development, design, production and sales together. It is a high-tech enterprise specializing in intelligent energy-saving cold storage planning, design and research; system integration and control; manufacturing, installation and commissioning; project contracting and management; and technical support services.


The company can design and manufacture to customer requirements such as

Space constraint provisions for on-site installation and maintenance: we can design the products into smaller sizes.

Performance and capacity terms: calculation programs are used to obtain accurate data sheets.

Design speed terms: an engineer is available for immediate consultation to produce a design

In terms of use and maintenance: if the company can design a 4-circuit heat exchanger, the cover can be switched to 2 circuits per side for easy on-site maintenance and piping.

From the above information we are therefore confident in our service and production. All-round customer satisfaction

For further technical information talk with our specialist or visit our website We can help you to identify the best solution for your application.


Kendall offers a vast choice of cold rooms, refrigeration equipment and accessories. Whatever your application, whatever your budget, and whatever size and shape for your needs

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