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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

Simplification
John Siegenthaler

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.

John Siegenthaler, P.E.

December 1, 2007

Dealing with performance numbers expressed in different units.

John Siegenthaler, P.E.

December 1, 2007

As part of an extensive renovation and insulation upgrade, the owner decides to upgrade the heat and convert the 2-pipe steam system to hot water.

John Siegenthaler, P.E.

November 1, 2007

All of them leverage the advantages of parallel-connected heat sources and loads, speed installation and reduce mechanical room space requirements.

John Siegenthaler, P.E.

November 1, 2007

It’s important to understand the formulas you work with.

John Siegenthaler, P.E.

November 1, 2007

An installer is advised to use a buffer tank to prevent short cycling of a low mass boiler serving several independently controlled space heating zones ...

John Siegenthaler, P.E.

October 26, 2007

An installer is asked if a geothermal heat pump can be combined with radiant floor heating.

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