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John Siegenthaler, P.E.

John Siegenthaler, P.E., is a consulting engineer and principal of Appropriate Designs in Holland Patent, New York. In partnership with HeatSpring, he has developed several online courses that provide in-depth, design-level training in modern hydronics systems, air-to-water heat pumps and biomass boiler systems. Additional information and resources for hydronic system design are available on Siegenthaler’s website, www.hydronicpros.com.

Articles

ARTICLES

One After The Other

July 21, 2009

In some systems, outdoor reset control can vary the supply water temperature from a relatively high design temperature down to just above room temperature.

John Siegenthaler, P.E.

July 1, 2009

A critical notion if hydronic technology is to maintain a leading role in residential construction.

John Siegenthaler, P.E.

June 19, 2009

Eager to keep up with new technology, an installer decides to install a hydraulic separator between a boiler and distribution system.

John Siegenthaler, P.E.

June 2, 2009

Was my heating system ‘green’ 29 years ago? Judge for yourself…

John Siegenthaler, P.E.

May 20, 2009

To say this system is a piping aberration is going easy on it.

John Siegenthaler, P.E.

May 1, 2009

Will the real green energy systems please step forward?

John Siegenthaler, P.E.

April 15, 2009

An installer is asked to provide a system that supplies two zones of fin-tube baseboard and two zones of floor heating.

John Siegenthaler, P.E.

April 1, 2009

Infrared thermography reveals heat transfer in action.

John Siegenthaler, P.E.

March 15, 2009

When floor heating and domestic water heating occurred at the same time, I discovered there was no flow through the heat exchanger in the indirect tank.

John Siegenthaler, P.E.

March 1, 2009

Learn about closed loop/antifreeze-based systems.

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