Articles by John Siegenthaler, P.E.

Transitions, Part 1

October 1, 2011
Using wood-fired heat sources in conjunction with conventional fuel.
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Pavement To Pool

September 1, 2011
A possible operating mode for some hydronic systems.
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Retirement Party

August 1, 2011
After 30 years, it was time for a solar refresh.
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Smart Balancing - Part 2

August 1, 2011
The proper application of pressure-independent balancing valves.
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Smart Balancing - Part 1

July 1, 2011
An introduction to pressure-independent balancing valves.
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Lowered Expectations

The future of hydronics is low water temperature.
June 1, 2011
The future of hydronics is low water temperature.
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Paired Renewables

April 1, 2011
Combining the attributes of solar thermal collectors and a wood-gasification boiler.
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Hydronics Holds It All Together

April 1, 2011
Integrating renewable energy heat sources with contemporary HVAC technologies.
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Partial Coverage

March 1, 2011
Radiant panels don’t have to cover an entire floor, wall or ceiling.
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What's Changed?

February 1, 2011
A comparison between the hot topics of the past and those of the present.
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Multimedia

Videos

Image Galleries

DEWALT media event at Stanley Black and Decker University

The DEWALT media event was hosted at the Stanley Black and Decker University in Towson, Md.
Photos by Mike Miagza

3/13/13 2:00 pm EST

Prepared to Navigate the New Lead-Free Laws?

AVAILABLE ON DEMAND Sail through lead-free law compliance. When piping a potable water system, the bronze valves you’re using have an expiration date –January 4, 2014. Find out what US Senate Bill S.3874 is about, how it compares to previous standards, and most importantly — how it will affect you.

THE MAGAZINE

Plumbing and Mechanical

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2013 May

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The Plumbing and Mechanical Store

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Valve Handbook

Revised to include details on the latest technologies, Valve Handbook, Third Edition, discusses design, performance, selection, operation, and application. This updated resource features a new chapter on the green technology currently employed by the valve industry, as well as an overview of the major environmental global standards that process plants are expected to meet.

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Truck of the month

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