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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

Hybrid Gone Wrong

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.

John Siegenthaler, P.E.

October 1, 2007

Do-it-yourself hydronic installations are not good for our industry.

John Siegenthaler, P.E.

September 13, 2007

The installer got a great price on a “contractor pack” of 3/4-inch copper tees, so the supply and return manifolds are built with 3/4-inch copper, as are all the zone circuits ...

John Siegenthaler, P.E.

September 1, 2007

A concept that leverages the advantages of hydronics.

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