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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

Why Gray Is Green

January 1, 2009

A classic boiler metal stands ready for the future.

John Siegenthaler, P.E.

December 19, 2008

An installer was asked by a client to use both a ground source heat pump and a boiler as alternative heat sources in a zoned, low-temperature hydronic distribution system.

John Siegenthaler, P.E.

December 1, 2008

The choice of piping system can make a significant difference in operating cost.

John Siegenthaler, P.E.

November 17, 2008

An installer decides to replace a 30-year-old cast-iron boiler with a modern mod/con unit.

John Siegenthaler, P.E.

November 1, 2008

Reducing noise from heat transfer plates within radiant panels.

John Siegenthaler, P.E.

October 7, 2008

Reducing noise from heat transfer plates within radiant panels.

John Siegenthaler, P.E.

October 1, 2008

An installer uses a 4-way motorized mixing valve to interface between a conventional gas-fired cast-iron boiler and a low temperature radiant panel system.

John Siegenthaler, P.E.

September 15, 2008

A project requires both medium and low temperature radiant floor panels. The installer proposes the following system design.

John Siegenthaler, P.E.

September 1, 2008

The concept for a simple, stable and efficient residential heat source.

John Siegenthaler, P.E.

August 15, 2008

As the price of fuel oil skyrockets, there is increasing interest in geothermal heat pumps as a heat source for hydronic radiant floor heating.

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