Articles by John Siegenthaler, P.E.

Mountaintop Experience

John Siegenthaler says, if there's ever been a time to get serious about slab insulation, it's now!
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Thermal Accumulators

Another European concept that will eventually show up in North America.
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Full Circle

Will low head loss boilers make a come back?
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Solar Appliances

Hardware consolidation will hasten adoption of active solar energy systems.
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From Dumb Curves To Smart Areas<br>John Siegenthaler, PE

Get ready for circulators with different personalities.
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Simplification<br>John Siegenthaler

Trimming away extraneous design details and hardware for the most efficient hydronic heating systems.
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Whatever's On The Truck …<br>John Siegenthaler, PE

It’s not the professional way to select a circulator.
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Conversion Experience<br>John Siegenthaler, PE

Dealing with performance numbers expressed in different units.
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Where Do The Constants Come From?<br>John Siegenthaler, PE

It’s important to understand the formulas you work with.
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Hydronics Is For Pros<br> John Siegenthaler, PE

Do-it-yourself hydronic installations are not good for our industry.
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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

PM September 2014 cover

2014 September

In this issue you’ll find The NY Red Bulls soccer team’s radiant system and incoming PHCC President Kevin Tindall.

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Back to School

It’s back-to-school time, how do you stay knowledgeable on the industry:
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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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