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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

John Siegenthaler: Combining heat pumps with buffer tanks

Keep these tips in mind when the heat source is a single-speed ‘on/off’ device.

John Siegenthaler, P.E.

April 16, 2020

Whenever a hydronic system is divided into several zones, it’s worth considering a buffer tank between the heat source and distribution system.

John Siegenthaler: Flameless baseboard

Modern methods and materials speed fin-tube baseboard installation

John Siegenthaler, P.E.

April 3, 2020

Few would argue that fin-tube baseboard was the “flagship” heat emitter in North American hydronic heating systems through much of the 20th century.

John Siegenthaler: Renewable Heating Design

John Siegenthaler: Why geothermal earth loops need expansion tanks

John Siegenthaler, P.E.

March 26, 2020

There are sorted opinions about using expansion tanks within closed geothermal earth loops.

John Siegenthaler: Three inputs, one output

Multiple strategies for heating domestic water.

John Siegenthaler, P.E.

March 5, 2020

I recently designed a system for my daughter’s new home with a water-to-water geothermal heat pump as its main heat source.

John Siegenthaler: A simple way to set up lead/lag heat sources

Who’s on first?

John Siegenthaler, P.E.

February 27, 2020

I’m fortunate to be living next door to a very unique hydronic heating/cooling system.

John Siegenthaler: Flow x Pressure drop = Energy

Don’t waste it.

John Siegenthaler, P.E.

February 6, 2020

Ask a heating pro about the energy used by the systems they design or install.

John Siegenthaler: Mixed emitters

Use modern hydronic hardware to create a customized system.

John Siegenthaler, P.E.

January 7, 2020

One of the benefits of modern hydronic heating is the ability to use multiple types of heat emitters in the same system.

Modern Hydronics Done Right Volume 5

eBook

John Siegenthaler, P.E.

December 10, 2019

We are proud to present this fifth and final edition in the "Siggy" eBook series specifically for the hydronics market. Brought to you by Plumbing & Mechanical, PM Engineer and Supply House Times, this FREE eBook is a collection of columns and articles from John Siegenthaler, P.E., a well-respected hydronics expert.

John Siegenthaler, P.E.

December 5, 2019

This was quite a year for me on the home front. On fairly short notice, my wife and I found out that our daughter Heidi and her husband Andy would be building a house about 500 feet down the road from us.

The Glitch and Fix: Keep the cost down

John Siegenthaler, P.E.

November 20, 2019

An installer is asked to connect an old (but still working) propane-fueled cast-iron boiler, which was salvaged from another project, to a slab-on-grade floor heating system in a new workshop.

View All Articles by John Siegenthaler, P.E.

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