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Home » Topics » HVAC Engineering Sectors » Commercial HVAC

Commercial HVAC
Commercial HVAC RSS Feed RSS

Challenges With Modern VFDs

Challenges With Modern VFDs

Phil Wentz P.E.
April 6, 2018

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 drive.


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Ira Goldschmidt, P.E.

Back To BASics — Sensors And Actuators

IraGold
Ira Goldschmidt P.E.
April 5, 2018

When should you specify certain controls for the best results? Dive in for a quick refresher.


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A Physical View IAQ

The Problem With Particles

Stephanie Taylor, M.D., M. Arch, CIC
April 4, 2018

The smaller the size, the more dangerous, but our bodies have innate protections.


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Tomorrow's Environment

Streamlining Decentralized HVAC System Contract Documents — Part Two

Howard McKew, P.E., C.P.E.
April 3, 2018

This month, we continue our discussion on simplifying system specifications.


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Commissioning

The Right Time For Test Procedure Development (Part 2)

Rebecca T. Ellis, P.E.
April 2, 2018

Early? Late? Which works best? There are pros and cons for each.


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1804 Sneak Peek
Case In Point

Rolled Steel Warehouse Company Builds Redundancy and Reduced Costs With HTHV

March 27, 2018

A steel warehouse and distribution company in Butler, IN, decided to add 66,000-sq-ft to its existing 100,000-sq-ft facility and needed to address the heating requirements for the newly expanded facility.


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Case In Point
Case In Point

New Cooling Tower Keeps Paper Mill Up And Running

March 12, 2018

HVAC systems play a crucial role in many industrial cooling applications. They are used to cool areas where high heat loads can shut down critical processes.


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AHR Winners & The Next Big Thing

AHR Winners & The Next Big Thing

James Siegel
James J. Siegel
March 9, 2018

Greater efficiencies, more connected products, and better sustainability — that is the future of HVACR products. But don’t take our word for it. Read what some of the 2018 AHR Expo Innovation Award winners had to say about the next phase of the industry.


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Chicago Report: Efficiency vs. Entropy

Chicago Report: Efficiency vs. Entropy

A variety of standards and codes took center stage in some AHR/ASHRAE highlights, although some of them seem to be heading in completely different directions.
Robert Beverly
March 8, 2018

Chaos and order, maybe even yin and yang … however you want to describe it, this year’s AHR and ASHRAE gathering reflected eternally opposing forces at work.


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Common Boiler Mistakes

Common Boiler Mistakes

Another great troubleshooting and tips collection looks at how to solve a wide assortment of problems and, maybe more importantly, how to avoid a range of others in the first place.
Ray Wohlfarth
Ray Wohlfarth
March 7, 2018

The following are some common mistakes and tips to avoid problems on commercial boiler projects.


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