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Home » Topics » Plumbing & Mechanical Engineer

Plumbing & Mechanical Engineer
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John Siegenthaler: Renewable Heating Design

John Siegenthaler: Respecting the Laws — of thermodynamics

How the most fundamental principle applies to heating.
John Siegenthaler 200x200 author headshot on a white background.
John Siegenthaler, P.E.
May 5, 2021

One of the most fundamental principles used in all areas of science and engineering is the first law of thermodynamics. 


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Christoph Lohr

Christoph Lohr: Systems-based thinking

MEP engineers should be naturally adept at this strategic approach.
Christoph Lohr headshot
Christoph Lohr
April 7, 2021

In the United States, we are very goal oriented. We have annual goals. 


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Christoph Lohr

Christoph Lohr: What is your interview process?

Part Three of the Sourcing Plan Series.
Christoph Lohr headshot
Christoph Lohr
March 4, 2021

So far, we have discussed why organizations need sourcing plans, and covered the planning and process of sourcing. This month we’ll continue the conversation and dive in deep into the interview process itself.


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Christoph Lohr

Christoph Lohr: What is your sourcing plan?

Part Two of the Sourcing Plan series.
Christoph Lohr headshot
Christoph Lohr
February 10, 2021

In December, we spoke about why organizations need sourcing plans. 


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balancing valve-figure 1

Choosing the right balancing valve

Specify the right product for the project.
Kevin Freidt
January 13, 2021

Several different balancing valve technologies exist in today’s market; some are new and some have been around for decades.


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Home cut away

Geothermal, the model of environmentally-friendly

Geothermal heating and cooling systems can reduce carbon footprints.
Goncalo Costa
January 6, 2021

According to the U.S. Energy Information Administration, more than half (51%) of the energy used in U.S. homes is directly spent on just two end uses, heating and air-conditioning. As such, producing a comfortable temperature within your living space creates one of the biggest carbon footprints of our modern living environment.


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Christoph Lohr

Christoph Lohr: How code or specialty plumbing certification sets you apart as a contractor or engineer

Differentiate yourself from your competitors.
Christoph Lohr headshot
Christoph Lohr
December 30, 2020

I frequently speak at college campuses and trade apprenticeships. Whether it be to future engineers or contractors, my technical talks typically end up covering non-technical content, specifically career development. 


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Ray Wohlfarth

Ray Wohlfarth: The importance of safety in mechanical rooms

Common hazards seen inside of mechanical rooms.
Ray Wohlfarth
December 30, 2020

An electrician walked into the equipment room to diagnose and repair an electrical problem in the school. 


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IAPMO Logo

IAPMO publishes Installation Standard for Residential Solar Photovoltaic and Energy Storage Systems

December 8, 2020

The 2021 USHGC is scheduled to be published in early 2021.


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Christoph Lohr

Christoph Lohr: What is the cost of your lack of sourcing plan?

Part One of the Sourcing Plan series.
Christoph Lohr headshot
Christoph Lohr
December 8, 2020

Do you feel that the company you work for or manage is often trailing staffing needs? 


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