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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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BNP Media's Plumbing Group Visits Grundfos North American Headquarters

BNP Media’s Plumbing Group, comprised of the Plumbing & Mechanical, Supply House Times, PM Engineer (pme) and Reeves Journal brands, recently visited Grundfos’ new North American headquarters building in the western Chicago suburb of Downers Grove, Ill.


Plumbing and Mechanical

March 2014

2014 March

In the March issue of Plumbing & Mechanical, read about the 'living in place' movement and learn how to make your space stylish and comfortable. PM catches up with MCAA president Chuck Fell and spoke with him about his goals for the year. Also in this issue, see the top products of 2013, see who is the March Truck of the Month, and read the latest Tool Tips.
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Trade Associations

Are trade association memberships and participation beneficial to your company?
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The Plumbing and Mechanical Store

2014 National Plumbing & HVAC Estimator

Every plumbing and HVAC estimator can use the cost estimates in this practical manual!

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Truck of the Month

Truck of the month

Are you proud of how your service truck looks? Do the graphics give people whiplash as they drive by? Have your calls increased because people remember your truck — and your company name? If so, we’d like to see it, too! Click here to find out how your service truck could be chosen as PM's Truck of the Month.



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