Articles by John Siegenthaler, P.E.

Fun With A FLIR

By John Siegenthaler, P.E.
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Infrared thermography reveals heat transfer in action.
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Variations On Residential Solar Water Heating

By John Siegenthaler, P.E.
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Learn about closed loop/antifreeze-based systems.
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Lucky Or Liar

By John Siegenthaler, P.E.
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Tales of  ‘inexplicably great performance’ that defy the laws of physics.
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Tankage

By John Siegenthaler, P.E.
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Putting shapes and numbers together.
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Why Gray Is Green

By John Siegenthaler, P.E.
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A classic boiler metal stands ready for the future.
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Side-By-Side Vs. End-To-End

By John Siegenthaler, P.E.
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The choice of piping system can make a significant difference in operating cost.
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Ticked Off, Part 2

By John Siegenthaler, P.E.
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Reducing noise from heat transfer plates within radiant panels.
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Ticked Off, Part 1

By John Siegenthaler, P.E.
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Reducing noise from heat transfer plates within radiant panels.
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Mass/Con

By John Siegenthaler, P.E.
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The concept for a simple, stable and efficient residential heat source.
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Mountaintop Experience

By John Siegenthaler, P.E.
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John Siegenthaler says, if there's ever been a time to get serious about slab insulation, it's now!
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2014 Truck of the Month

PM has featured so many great plumbing service trucks! See plenty of them here in our Truck Of The Month Archives page. Are you proud of your truck? Go to our Truck of the Month page to find out how your service truck could be chosen!

9/16/14 9:00 am PDT

Free Webinar: Acoustical Isolation

HOLDRITE will be hosting a free webinar for Acoustical Isolation on Tuesday, Sept. 16, 2014.

Plumbing and Mechanical

2014 August

2014 August

In the August issue of PM, read about the continued construction and renovations being made to hotels and restaurants. Find out the focus of this year's ISH China show will be, who made this month's Truck of the Month and read what Elkay has to say about their commercial construction expansion. Also, read the latest news and discover the newest products being used by professionals in the plumbing and mechanical industry.
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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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