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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

John Siegenthaler: Renewable Heating Design

Creating Multiple Water Temperatures in Hydronic Heating Systems

John Siegenthaler, P.E.

June 4, 2003

This article discusses the various ways to provide multiple water temperatures from a single heat source.

John Siegenthaler, P.E.

June 1, 2003

Here are several products that extol the virtues of primary/secondary piping.

John Siegenthaler, P.E.

May 1, 2003

Tips on creating and using CAD drawings for hydronic design.

John Siegenthaler, P.E.

April 1, 2003

Tips for properly installing these mixing valves in radiant heating systems.

John Siegenthaler, P.E.

March 6, 2003

Primary/secondary (P/S) piping has established itself as the default piping technique for multi-load hydronic systems.

John Siegenthaler, P.E.

March 1, 2003

The benefits of an indirect water heater make it a viable alternative.

John Siegenthaler, P.E.

February 1, 2003

This piping concept, when misapplied, can generate some real problems.

10 Things To Avoid When Designing Hydronic Heating Systems

John Siegenthaler, P.E.

January 7, 2003

John Siegenthaler's been designing hydronic heating systems for 25 years, and he still comes across little nuances that when ignored can bring a system that is 99.9% correctly designed and installed to a virtual standstill.

John Siegenthaler, P.E.

January 1, 2003

Put these all together and you have a person we'd all enjoy working along side.

Estimating Heat Loss from Copper Tubing

John Siegenthaler, P.E.

December 4, 2002

Although not specifically intended as heat emitters, the copper tubing connecting the components of many hydronic systems certainly does release heat to its surroundings, compromising the system's ability to deliver heat precisely where and when it's needed.

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