Hydronic System

Last updated: May 24, 2017

What Does Hydronic System Mean?

A hydronic system is a heating and/or cooling system that uses a fluid that is usually recirculated through pipes in a building. The fluid is either hot or cold, and it either radiates or absorbs heat energy as it is circulated throughout the network of pipes.

Because a fluid is constantly moving through pipes, care must be taken to reduce the risk of corrosion in a hydronic system.


Corrosionpedia Explains Hydronic System

Due to its abundance and ease of use, water is commonly chosen as the fluid used in hydronic systems. Glycol is another popular choice.

Hydronic systems must have a method to cool or heat the fluid, depending on the purpose of the system. The fluid is usually heated by a boiler or cooled by a chiller.

One method for reducing the risk of corrosion is ensing that the air is evacuated from the system. Another method is to use piping material that prevents air from entering the system. Polyethylene tubing is one such material and is common in many hydronic systems.


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