How to Clean and Treat a Closed Loop Hydronic System in Commercial Buildings
Posted by David Cannon on 5th Jun 2025
Why You Should Maintain Your Closed Loop Hydronic System
A closed loop hydronic system is the heart of many commercial HVAC systems, especially those designed for heating hot water circulation. While these systems are designed to be low-maintenance, they are not immune to internal corrosion, sludge buildup, and system inefficiency.
Over time, dissolved oxygen, leftover oils and flux, or existing corrosion by-products can circulate through the system, causing:
Decreased energy efficiency
Pump