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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

They're not boilers

February 1, 2012

Designing hydronic systems around outdoor wood-fired furnaces.

John Siegenthaler, P.E.

January 22, 2012

An installer uses a four-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.

January 1, 2012

A modern approach to a traditional means of hydronic heating.

John Siegenthaler, P.E.

December 9, 2011

An installer decides to replace an old cast-iron boiler with a modern mod/con unit that has a 5:1 turndown ratio and integral outdoor reset control.

John Siegenthaler, P.E.

December 1, 2011

Why don’t North American indirect tanks have larger heat exchangers?

John Siegenthaler, P.E.

November 30, 2011

In an attempt to avoid purchasing what he considers “fancy valves,” an installer constructs the system shown with globe valves.