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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

Lucky Or Liar

March 1, 2009

Tales of ‘inexplicably great performance’ that defy the laws of physics.

John Siegenthaler, P.E.

February 18, 2009

The cardinal rule of multiple boiler systems is to only provide flow through a boiler that’s operating.

John Siegenthaler, P.E.

February 1, 2009

Putting shapes and numbers together.

John Siegenthaler, P.E.

January 19, 2009

At one point in time, this schematic appeared in a manufacturer's installation manual.

John Siegenthaler, P.E.

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.