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Home » Topics » Radiant & Hydronics

Radiant & Hydronics
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01 PM 0823 CLM John Siegenthaler feature
Hydronics Workshop | John Siegenthaler

Relays and switches — part two

Building the brains for custom hydronics systems.
John Siegenthaler 200x200 author headshot on a white background.
John Siegenthaler, P.E.
August 1, 2023

Last month, we covered the basics of classifying switches and relays based on poles and throws. Once you learn these, it’s easy to apply switches and relays to create “hard-wired” control logic - part two.


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PM 0723 Dan Holohan Column feature image

Dan Holohan: Do you prefer educated customers?

Contractors weigh in on customer education preferences.
Dan Holohan
July 5, 2023

Over the years, I've had many homeowners read my books and then write to tell me they knew more about their system than the contractors that came to their houses. This was particularly true when it came to steam heating.


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01 0723 Column John Siegenthaler main image
Column | John Siegenthaler

John Siegenthaler: Relays and switches — part one

The basics.
John Siegenthaler 200x200 author headshot on a white background.
John Siegenthaler, P.E.
July 3, 2023

The basics of relays and switches - part one.


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PEX piping

6 reasons why PEX excels in commercial hydronic distribution applications

PEX offers numerous jobsite benefits for commercial projects.
Kim Bliss
June 19, 2023

Historically specified and installed as radiant heating and cooling or snow- and ice-melting systems pipe, PEX is now trending as a viable hydronic distribution pipe for heating hot water and chilled water applications.


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Blue Boiler

Dan Holohan: The importance of training and educating yourself on the equipment you work on

Magical thinking
Dan Holohan
June 2, 2023

It was one of those days at HeatingHelp.com when the old guys had the floor. One of the regulars, a retired (and understandably crotchety) fella from Canada had this to say:


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manifold systems

John Siegenthaler: Extended manifold systems

Less tubing, less drilling, less fastening.
John Siegenthaler 200x200 author headshot on a white background.
John Siegenthaler, P.E.
June 1, 2023

Several years ago, I had the opportunity of visiting the Mostra Convegno Expocomfort show in Milan, Italy. It ranks right up there with the famous ISH show in Frankfurt, Germany, as a “bucket list” event for those who are passionate about hydronic heating and plumbing.


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glitch-fix-feature

The Glitch & The Fix: Upside down

May 29, 2023

Take a look at Figures 1, 2a and 2b. What do they have in common? Can you think of some better ways to accommodate the flexible tubing?


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Snow-melt systems are common in Park City, Utah

Steering clear of snow

Elaborate system keeps driveway clean for Utah homeowner.
Thomas Renner
May 23, 2023

The first snowflakes hit the ground in Park City, Utah, in late October, before a single peanut butter cup hit the bottom of the Halloween bag. The first snow of the 2022 season dumped 10 inches of fresh powder on the town on Oct. 23, giving skiers and winter sports enthusiasts an early start to their activities.


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ServiceTitan’s Chris Hunter

Inflation Reduction Act offers opportunities for plumbing contractors

ServiceTitan’s Chris Hunter discusses how contractors can grow their workforce and maximize existing labor to capitalize on opportunities presented by the IRA.
Nicole Krawcke head shot 2024
Nicole Krawcke
May 17, 2023

ServiceTitan’s Chris Hunter discusses how contractors can grow their workforce and maximize existing labor to capitalize on opportunities presented by the IRA.


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Solar panels

The USHGC: Putting the pieces together

The 2021 USHGC is one tool to help ensure high-quality radiant installations.
Hugo Aguilar P.E.
Hugo Aguilar, P.E.
May 16, 2023

The Uniform Solar, Hydronics and Geothermal Code (USHGC) includes provisions for alternative energy sources for the transfer of energy in a hydronic system for space heating and cooling, or for other purposes such as snow and ice melting.


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