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Home » Topics » Plumbing & Mechanical Engineer

Plumbing & Mechanical Engineer
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John Siegenthaler: Renewable Heating Design

John Siegenthaler: A simple way to set up lead/lag heat sources

Who’s on first?
John Siegenthaler 200x200 author headshot on a white background.
John Siegenthaler, P.E.
February 27, 2020

I’m fortunate to be living next door to a very unique hydronic heating/cooling system.


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Webstone Thermostatic Mixing Valve Solar

Thermostatic mixing valve: Temperature control for solar heat

December 11, 2019

Webstone, a brand of NIBCO, introduces the new Thermostatic Mixing Valve for high-temperature solar heat sources.


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Christoph Lohr

Christoph Lohr: Looking at the importance of personality metrics

Christoph Lohr headshot
Christoph Lohr
November 15, 2019

In my last column, I wrote about the concept of personality metrics and how our industry and other markets are using them. 


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Siggy_single coil

Single coil solution

Optimizing heat exchanger performance in renewable energy systems.
John Siegenthaler 200x200 author headshot on a white background.
John Siegenthaler, P.E.
November 15, 2019

Some renewable energy heat sources require large thermal storage tanks. Examples include systems’ biomass boilers and solar thermal collectors.


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Whiteside

PM Profile: MIFAB grows into a bigger space

Chicago-based manufacturer celebrates the groundbreaking of a 68,000-square foot expansion.
Nadia Askar
Nadia Askar
October 16, 2019

BNP Media Plumbing Group Multimedia Editor Nadia Askar recently sat down with Michael Whiteside, president and owner of Chicago-based MIFAB.


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Colorado contractor installs a fast, more flexible firestop sleeve

Colorado contractor installs a fast, more flexible firestop sleeve

Firestop solution offers more efficiency on the jobsite.
Darlene Byrne
October 7, 2019

Spencer Bell has been a fan of HoldRite plumbing brackets and the TESTRITE DWV testing system for years. So recently, when he heard that HoldRite had innovated the cast-in-place firestop sleeve process, he didn’t waste time learning more about it.


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Christoph Lohr

Christoph Lohr: How are personality metrics different?

People analytics: An even deeper dive.
Christoph Lohr headshot
Christoph Lohr
September 12, 2019

From my last couple columns, we had an in-depth conversation with one of the people analytics industry’s leading experts Kelly Reed, Ph.D.  


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Engineering better work experiences, part 2

Christoph Lohr: Diving even deeper into people analytics

Engineering better work experiences, Part 2
Christoph Lohr headshot
Christoph Lohr
August 19, 2019

Last month, we started going through what people analytics are, what the potential upsides are, and what some of the down sides are. Now we’ll continue with my interview with Kelly Reed, the managing director, global people & culture solutions with Lockton.


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Christoph Lohr

Christoph Lohr: Engineering better work experiences

The largest challenges always seem to come down to communication.
Christoph Lohr headshot
Christoph Lohr
July 16, 2019

As engineers, we often keep our head down, working hard to finish projects. It’s easy to lose track of what is happening in the world, let alone other industries, especially in human resources. 


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John Siegenthaler: Renewable Heating Design

John Siegenthaler: Be explicit on tubing depth in a slab

Unnecessary compromise
John Siegenthaler 200x200 author headshot on a white background.
John Siegenthaler, P.E.
July 11, 2019

A commonality among all renewable energy heat sources is that they perform best when coupled to low-temperature hydronic distribution systems. 


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