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Home » Topics » Market Sectors » Green Mechanical Systems

Green Mechanical Systems
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Aquatherm Pipe

COVID-19 drives hygiene awareness and efficiency in commercial plumbing

Manufacturers weigh in on commercial market trends for 2021.
Nicole Krawcke
Nicole Krawcke
February 15, 2021
No Comments

When the ink was dry on the market forecasts for 2020, nobody could have predicted a global pandemic disrupting every facet of the U.S. economy. 


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John Siegenthaler: Renewable Heating Design

John Siegenthaler: Whittling away at watts

Reducing head loss in hydronic systems reduces the kilowatt-hours of electrical energy required for operation.
John Siegenthaler, P.E.
John Siegenthaler P.E.
February 3, 2021
No Comments

When designing hydronic circuits, most of us focus on what’s necessary for that circuit to absorb thermal energy at a heat source, carry it along like a conveyor belt and release that energy at one or more heat emitters. 


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Movers and shakers

January PM Engineer Movers & Shakers

January 19, 2021
No Comments

Rheem Mfg. Co. promoted Amy Johnson to serve as the company’s vice president of global air operations and supply chain. 


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New Standards

New standards address innovative products and methods

Better defining product performance.
Conrad Jahrling
January 13, 2021
No Comments

Mature plumbing practices such as backflow prevention and scald protection will always be critical to the health of the user. 


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Combi Boiler

Interest surges for combination water and heating systems

Combi-boilers offer end users numerous advantages.
Nicole Krawcke
Nicole Krawcke
January 11, 2021
No Comments

With numerous benefits such as compact sizing, high-efficiency operation and cost effectiveness, it’s easy to understand why the combi-boiler market is growing. 


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technician

Plumbing pros predict market outlook in 2021

Expected trends for the year ahead.
Nicole Krawcke
Nicole Krawcke
January 6, 2021
No Comments

The start of a new year always brings new possibilities, and PHVAC industry pros are cautiously optimistic about new opportunities in the coming year. 


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Ray Wohlfarth

Ray Wohlfarth: Tips for high-efficiency boiler replacement

What could happen? Costly callbacks.
rayNEW_200.jpg
Ray Wohlfarth
January 4, 2021
One Comment

It was such a simple project; replace the old cast iron boiler with a new condensing boiler.


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PHVAC industry

Dave Yates: Yesterday, today and tomorrow

Predictions for the future of the PHVAC industry.
Dave Yates
Dave Yates
December 31, 2020
No Comments

Assembling prior columns, updating older information, along with some new content for the four eBooks has been an interesting review of my 48-years as a mechanical contractor. 


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Ethan Grossman

Ethan Grossman: Squeaky wheel gets the grease

Understanding friction concepts.
Ethan Grossman
Ethan Grossman P.E., CPD
December 29, 2020
No Comments

Friction is everywhere. Even though friction finds itself in just about every system we design, it is one of those concepts that is not easily understood. 


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Movers and shakers

December PM Engineer Movers & Shakers

December 23, 2020
No Comments

Strategic Account Manager Joseph Keltos (second from left) recently celebrated a 20-year milestone at Telgian Engineering & Consulting. 


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