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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

Dual Load Dilemma

May 14, 2008

Can you identify at least four errors in this design?

John Siegenthaler, P.E.

May 1, 2008

Will low head loss boilers make a come back?

John Siegenthaler, P.E.

April 28, 2008

Given all the recent interest in solar domestic water heating, Joe Wrenchturner decides to have a go at it.

John Siegenthaler, P.E.

April 4, 2008

Exploring microbubble air separation in hydronic systems.

John Siegenthaler, P.E.

April 1, 2008

Hardware consolidation will hasten adoption of active solar energy systems.

John Siegenthaler, P.E.

March 1, 2008

Get ready for circulators with different personalities.

John Siegenthaler, P.E.

February 1, 2008

Trimming away extraneous design details and hardware for the most efficient hydronic heating systems.

John Siegenthaler, P.E.

February 1, 2008

A heating contractor, who’s tired of coaxing 500-pound cast-iron boilers into homes, decides to try out a wall-mounted mod/con boiler because of its light weight and side wall venting.

John Siegenthaler, P.E.

January 1, 2008

It’s not the professional way to select a circulator.

John Siegenthaler, P.E.

January 1, 2008

The installer feels that a mix of primary/secondary piping along with some “alternative techniques” is appropriate.

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