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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

Hit or miss

December 20, 2012

An installer assembles a small hydronic heating system for a well-insulated home.

John Siegenthaler, P.E.

December 1, 2012

A new piping concept and control wiring challenge.

John Siegenthaler, P.E.

November 26, 2012

A hydronic system is to be designed to supply four panel radiators, each with its own thermostatic radiator valve, and an indirect water heater from a gas-fired sectional cast-iron boiler.

John Siegenthaler, P.E.

November 1, 2012

A new way to protect a heating system.

John Siegenthaler, P.E.

October 31, 2012

An installer is asked to build a system to supply both radiant floor heating and a “hydro-air” zone. All heat will be supplied from a gas-fired cast-iron boiler.

John Siegenthaler, P.E.

October 1, 2012

You’re probably oversizing expansion tanks in low-temperature systems.

John Siegenthaler, P.E.

September 30, 2012

A schematic appeared in a manufacturer’s installation manual. It was their recommended way to install a two-zone system using zone valves.

John Siegenthaler, P.E.

September 1, 2012

It doesn’t have to be perfect to be effective.

John Siegenthaler, P.E.

August 1, 2012

Some recent discoveries about ducting.