search
cart
facebook instagram twitter linkedin youtube
  • Sign In
  • Create Account
  • Sign Out
  • My Account
  • NEWS
  • PRODUCTS
    • FEATURED PRODUCTS
  • CONTRACTORS
    • BATH & KITCHEN PRO
    • BUSINESS MANAGEMENT
    • HIGH EFFICIENCY HOMES
    • TECHNOLOGY
    • WATER TREATMENT
    • PMC COLUMNS
      • Dave Yates: Contractor’s Corner
      • John Siegenthaler: Hydronics Workshop
      • Kenny Chapman: The Blue Collar Coach
      • Matt Michel: Service Plumbing Pros
      • Scott Secor: Heating Perceptions
  • ENGINEERS
    • CONTINUING EDUCATION
    • DECARBONIZATION | ELECTRIFICATION
    • FIRE PROTECTION
    • GEOTHERMAL | SOLAR THERMAL
    • PIPING | PLUMBING | PVF
    • PME COLUMNS
      • Christoph Lohr: Strategic Plumbing Insights
      • David Dexter: Plumbing Talking Points
      • James Dipping: Engineer Viewpoints
      • John Seigenthaler: Renewable Heating Design
      • Lowell Manalo: Plumbing Essentials
      • Misty Guard: Guard on Compliance
  • RADIANT & HYDRONICS
    • RADIANT COMFORT REPORT
    • THE GLITCH & THE FIX
  • INSIGHTS
    • CODES
    • GREEN PLUMBING & MECHANICAL
    • PROJECT PROFILES
    • COLUMNS
      • Codes Corner
      • Kristen R. Bayles: Editorial Opinion
      • Guest Editorial
    • SPONSOR INSIGHTS
  • MEDIA
    • EBOOKS
    • PODCASTS
    • VIDEOS
    • WEBINARS
  • RESOURCES
    • BIG BOOK DIRECTORY
    • REP LOCATOR
    • INDUSTRY CALENDAR
    • PM BOOKSTORE
    • CE CENTER
    • MARKET RESEARCH
    • CLASSIFIEDS
  • EMAGAZINE
    • EMAGAZINE
    • ARCHIVE ISSUES
    • CONTACT
    • ADVERTISE
    • PME EMAGAZINE ARCHIVES
  • SIGN UP!
Home » Authors » John Siegenthaler, P.E.
John Siegenthaler, P.E.

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

Conversion Experience
John Siegenthaler, PE

John Siegenthaler 200x200 author headshot on a white background.
John Siegenthaler, P.E.
December 1, 2007
Dealing with performance numbers expressed in different units.
Read More

Steam To Hot Water Renovation

John Siegenthaler 200x200 author headshot on a white background.
John Siegenthaler, P.E.
December 1, 2007
As part of an extensive renovation and insulation upgrade, the owner decides to upgrade the heat and convert the 2-pipe steam system to hot water.
Read More

Hydronic Manifold Systems: More Than You Might Be Expecting

John Siegenthaler 200x200 author headshot on a white background.
John Siegenthaler, P.E.
November 1, 2007
All of them leverage the advantages of parallel-connected heat sources and loads, speed installation and reduce mechanical room space requirements.
Read More

Where Do The Constants Come From?
John Siegenthaler, PE

John Siegenthaler 200x200 author headshot on a white background.
John Siegenthaler, P.E.
November 1, 2007
It’s important to understand the formulas you work with.
Read More

Preventing Short Cycling

John Siegenthaler 200x200 author headshot on a white background.
John Siegenthaler, P.E.
November 1, 2007
An installer is advised to use a buffer tank to prevent short cycling of a low mass boiler serving several independently controlled space heating zones ...
Read More

Designing With Geothermal

John Siegenthaler 200x200 author headshot on a white background.
John Siegenthaler, P.E.
October 26, 2007
An installer is asked if a geothermal heat pump can be combined with radiant floor heating.
Read More

Hydronics Is For Pros John Siegenthaler, PE

John Siegenthaler 200x200 author headshot on a white background.
John Siegenthaler, P.E.
October 1, 2007

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


Read More

Error In Design

John Siegenthaler 200x200 author headshot on a white background.
John Siegenthaler, P.E.
September 13, 2007
The installer got a great price on a “contractor pack” of 3/4-inch copper tees, so the supply and return manifolds are built with 3/4-inch copper, as are all the zone circuits ...
Read More

Btu Metering
John Siegenthaler, PE

John Siegenthaler 200x200 author headshot on a white background.
John Siegenthaler, P.E.
September 1, 2007
A concept that leverages the advantages of hydronics.
Read More

What Were They Thinking?

John Siegenthaler 200x200 author headshot on a white background.
John Siegenthaler, P.E.
August 8, 2007
Here’s an extremely messed up installation for you to ponder.
Read More
View All Articles by John Siegenthaler, P.E.
Manage My Account
  • Newsletters
  • Online Registration
  • Subscription Customer Service
  • eMagazine
  • Manage My Preferences

More Videos

Sponsored Content

Sponsored Content is a special paid section where industry companies provide high quality, objective, non-commercial content around topics of interest to the Plumbing & Mechanical audience. All Sponsored Content is supplied by the advertising company and any opinions expressed in this article are those of the author and not necessarily reflect the views of Plumbing & Mechanical or its parent company, BNP Media. Interested in participating in our Sponsored Content section? Contact your local rep!

close
  • HyperPure® PE-RT tubing
    Sponsored byLegend

    Why Sustainable Innovation Will Shape the Future of Plastic Pipe

  • HyperPure® PE-RT tubing
    Sponsored byLegend

    More Than One Right Answer: Rethinking PE-RT in Modern Plumbing Systems

Popular Stories

An aerial view of the Obama Presidential Center.

Plumbing Contractor Cites $3.9M in Losses Tied to Obama Presidential Center Project

Large Residential Water Heating Boiler Maintenance Performed by Professional HVAC Technician

Is the Industry Ready for Heat Pump Water Heaters?

hydronics systems

Improving Hydronic Efficiency

Download the FREE 2025 Water Conservation, Quality & Safety eBook

Events

August 4, 2026

Is Contractor Training a Cost Center or Your Most Overlooked Growth Engine?

In this webinar, you’ll learn how to reframe training as a measurable revenue driver by connecting contractor performance improvements to real business outcomes—like increased equipment sales, stronger margins, and greater share-of-wallet.

August 25, 2026

Every Minute Matters: A Plumber’s Guide to Growth Without Adding

Join this webinar for practical strategies to grow revenue, improve profitability, and create more capacity using the resources you already have.

View All Submit An Event

Poll

Getting your new hire jobsite-ready

How long does it typically take to get a new hire jobsite-ready?
View Results Poll Archive

Products

The Water Came To A Stop

The Water Came To A Stop

See More Products
eBook | 2025 Radiant & Hydronics All Stars

Keep your content unclogged with our newsletters!

Stay in the know on the latest plumbing & piping industry trends.

JOIN TODAY!
  • RESOURCES
    • Advertise
    • Contact Us
    • Directories
    • Store
    • Want More
    • Supply House Times
  • SIGN UP TODAY
    • Create Account
    • eMagazine
    • Newsletter
    • Customer Service
    • Manage Preferences
  • SERVICES
    • Marketing Services
    • Reprints
    • Market Research
    • List Rental
    • Survey/Respondent Access
  • STAY CONNECTED
    • LinkedIn
    • Facebook
    • Instagram
    • YouTube
    • X (Twitter)
  • PRIVACY
    • PRIVACY POLICY
    • TERMS & CONDITIONS
    • DO NOT SELL MY PERSONAL INFORMATION
    • PRIVACY REQUEST
    • ACCESSIBILITY

Copyright ©2026. All Rights Reserved BNP Media, Inc. and BNP Media II, LLC.

Design, CMS, Hosting & Web Development :: ePublishing