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Building Automation

School BAS: Out Of Control!

Chuck Dale-Derks P.E.
This K-12 building automation troubleshooting experience turned into a case of “show and tell” that nobody wants at their own school, so take notes on both the causes and the …
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O&M

Challenges With Modern VFDs

Phil Wentz P.E.
Voltage spikes, bearing or winding failure, capacitance/insulation issues... you may have one of these problems to solve (or better, to avoid) in order to enjoy the full benefits of your …
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Columns

K-12 Kitchen Exhaust And Makeup Air System Project Using Integrated Project Delivery

Amanda Parolise
This month’s Facility File will focus on the B2B March test for the retrofit of a 1960s, 250,000-sq-ft hospital conversion to apartments changing out the high-pressure steam boilers to hot …
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Heating & Boilers

Most Popular Products @ ESmagazine.com (April 2018)

The most attention-getting equipment in our HVAC Products/Literature/Software section over the previous month: …
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Heating & Boilers

Top 5 Articles @ ESmagazine.com (April 2018)

What are engineers making time to read? …
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Building Automation

Back To BASics — Sensors And Actuators

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Ira Goldschmidt P.E.
When should you specify certain controls for the best results? Dive in for a quick refresher. …
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Commercial HVAC

The Problem With Particles

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Stephanie Taylor, M.D., M. Arch, CIC
The smaller the size, the more dangerous, but our bodies have innate protections. …

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