Articles by Miles Ryan P.E.

These two real-world case studies from ES NEWS Commissioning columnist Miles Ryan show how vertical piping and air pockets can throw off your instrumentation, and what you can do to ensure your readings reflect reality.

ES NEWS Commissioning columnist Ryan Miles shares his new plumbing coursework with the United States Air Force.

A multi-year investigation and repair project reveals the critical importance of proper chilled water piping insulation installation and commissioning in residential building, writes ES NEWS Commissioning Columnist Miles Ryan.

ES NEWS Commissioning columnist Miles Ryan lays out real-world examples of software and hardwire interlock complications.

This project forced ES NEWS commissioning columnist Miles Ryan to think far deeper than he ever wanted to about the concepts of interlocks of where they can go wrong.

ES NEWS Columnist Miles Ryan writes this article not just for the commissioning providers out there, but for the controls techs and TAB providers who are consistently set up for failure.

DAT readings should be representative of the discharge air being supplied to the space, but this is often not the case, writes ES NEWS Columnist Miles Ryan in his commissioning column. 

"For those of you mentoring others new to commissioning, I hope this gets you thinking about what your best advice would be," writes ES NEWS contributor Miles Ryan. "It is a fascinating job, but it can be overwhelming."

The differential pressure drop across a filter is dependent on both how loaded (i.e. dirty) the filter is, as well as the airflow across it.

The typical evolution of an HVAC system’s sequence of operation (SOO) entails the design engineer writing the narrative for inclusion in the design documents.