Hydronic Balancing Part 8: Read & Set Proportional Balance Method

Hydronic Balancing Part 8:  Read & Set Proportional Balance Method

The task of proportional balancing is the first step to achieving an energy efficient pumping system.  It involves adjusting the system balancing valves to make certain that all zones get proportionate flow under design conditions.  Once this task is complete, it gives us the opportunity to trim the fat out of the system for greater efficiency... 

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NYC Adopts ASHRAE Legionella Standards

NYC Adopts ASHRAE Legionella Standards

New York City wasted no time adopting portions of the recently published Standard 188-2015, Legionellosis: Risk Management for Building Water Systems.  This is following the recent outbreak of... 

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ASHRAE Passes Standard 188-2015, Legionellosis: Risk Management for Building Water Systems

Why has ASHRAE decided to address balancing in a standard that is written for the purpose of Legionella prevention? The reason has to do with domestic hot water recirculation systems – particularly large systems with multiple returns coming back to the boiler. If these return lines are not balanced it is possible that...  

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