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Home » Authors » John Siegenthaler, P.E.
John Siegenthaler, P.E.

John Siegenthaler, P.E.

John Siegenthaler, P.E., is a consulting engineer and principal of Appropriate Designs in Holland Patent, N.Y. His latest textbook “Heating With Renewable Energy,” will be released in January 2016 from Cengage Publishing. It shows how to use modern hydronics technology to create systems supplied by solar thermal, heat pump and biomass heat sources. Additional information is available at www.hydronicpros.com.

Articles

ARTICLES

Siggy

John Siegenthaler: Chump change

The minuscule cost of operating a well-designed hydronic distribution system.
Siegenthaler
John Siegenthaler, P.E.
December 22, 2020
No Comments

Hydronic heating professionals often promote the concept that current generation mod/con boilers can operate with AFUEs in the range of 95% and above. 


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Siggy

John Siegenthaler: Combining heat pumps with buffer tanks

Consider a buffer tank between the heat source and distribution system.
Siegenthaler
John Siegenthaler, P.E.
November 25, 2020
No Comments

Whenever a hydronic system is divided into several zones, it’s worth considering a buffer tank between the heat source and distribution system. 


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Siggy

John Siegenthaler: Back to basics: Thoughtful zoning

Things to consider before planning your piping layout.
Siegenthaler
John Siegenthaler, P.E.
October 21, 2020
One Comment

A zone is any area of a building for which indoor air temperature is controlled by a single thermostat (or other type of temperature controller). 


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Siggy

John Siegenthaler: Due diligence

Detailing a “2-pipe” buffer tank.
Siegenthaler
John Siegenthaler, P.E.
September 22, 2020
One Comment

Most buffer tanks used in hydronic systems are piped in a “4-pipe” configuration.


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Siggy

John Siegenthaler: A persistent question

“But what do I do about cooling?”
Siegenthaler
John Siegenthaler, P.E.
August 24, 2020
No Comments

The versatility of modern hydronics technology allows designers to create systems that are “customized” to the needs — and constraints — of almost any building. 


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Siggy

John Siegenthaler: Don’t mix your piping designs.

A little of this, a little of that — leads to incorrect layouts.
Siegenthaler
John Siegenthaler, P.E.
July 21, 2020
No Comments

Some hydronic system designers cling to certain system piping configurations — even when existing projects using those configurations have produced problems.


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Siggy

John Siegenthaler: Dos and don’ts of hydronic system design

10 lessons learnt.
Siegenthaler
John Siegenthaler, P.E.
June 29, 2020
One Comment

Anyone who says they wouldn’t change a thing on the hydronic systems they’ve designed or installed over the last decade is either so oblivious to changes in technology that they don’t know any better, so egotistical they can’t accept that improvement of their work is possible, or so foolish they don’t care what they’re missing out on.


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Siggy

John Siegenthaler: Have a problem — need a solution

Our industry needs a better way to insulate circulator volutes.
Siegenthaler
John Siegenthaler, P.E.
May 21, 2020
No Comments

Part of running any business is looking ahead and trying to read the “tea leaves” that are relevant to that business. 


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Siggy

John Siegenthaler: Reducing radiator ratings

How to size panel radiators for low water temperatures.
Siegenthaler
John Siegenthaler, P.E.
May 13, 2020
3 Comments

Modern panel radiators are one of my favorite heat emitters.


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Siegenthaler PM

John Siegenthaler: Flameless baseboard

Modern methods and materials speed fin-tube baseboard installation
Siegenthaler
John Siegenthaler, P.E.
April 3, 2020
3 Comments

Few would argue that fin-tube baseboard was the “flagship” heat emitter in North American hydronic heating systems through much of the 20th century. 


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