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Home » Topics » Radiant & Hydronics

Radiant & Hydronics
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G&F-march-2022-fig-1

The Glitch + The Fix: Primary reduction

March 30, 2022

A heating pro is asked to retrofit a pellet-fired boiler to an existing distribution system consisting of older cast iron radiators, iron piping and an oil-fired boiler.


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Frozen steam coils
HEATING HELP

Dan Holohan: Frozen steam coils

Think like steam.
Dan Holohan
Dan Holohan
March 2, 2022

Frozen steam coils always seem to happen at the worst of times, don’t they? You’re busy because it’s cold enough to freeze coils. The place with the frozen coil contains people who are doing things that are so important they can’t possibly be without that particular coil. Not even for a minute. They’re on the phone, and they’re not being reasonable.


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Electrification peak performance
HYDRONICS WORKSHOP

John Siegenthaler: Peak performance

Modern hydronics technology offers unique solutions.
John Siegenthaler, P.E.
John Siegenthaler, P.E.
March 1, 2022

As interest and incentives build to transition space heating and domestic water heating systems away from fossil fuels and toward electricity, a somewhat predictable but only marginally quantified problem is developing. Two words describe it: Peak demand.


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G&F February 2022 - Glitch

The Glitch + The Fix: Fingers crossed

February 23, 2022

An installer is asked to add a monobloc-style air-to-water heat pump to an existing hydronic system that is supplied by a mod/con boiler.


Read More
Easy to blame the boiler
HEATING HELP

Dan Holohan: So easy to blame the boiler

Troubleshooting unique cases.
Dan Holohan
Dan Holohan
February 1, 2022

A homeowner posted a question on The Wall at HeatingHelp.com about a drumroll sound that was coming from his brand-new steam boiler. What could it be? He included a video so all could hear, and sure enough, it sounded like a snare drum.


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G&F-Fig1-Jan2022

The Glitch + The Fix: One shot after another

January 25, 2022

A technician encounters a system installed in the 1980s when radiant floor heating was relatively new in North America.


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Radiator covers
Heating Help

Dan Holohan: The case for radiator covers

Common sense isn’t always that common.
Dan Holohan
Dan Holohan
January 3, 2022

In March 2010, a nine-month-old boy rolled off his sister’s bed in Jersey City, New Jersey, and got stuck between the bed and a cast-iron, steam radiator that was as hot as it’s supposed to be. The radiator delivered third-degree burns to the infant and left him with permanent scars.


Read More
IoT internet hydronic systems
HYDRONICS WORKSHOP

John Siegenthaler: No passwords required

Hydronic systems don’t have to be complex to be sophisticated.
John Siegenthaler, P.E.
John Siegenthaler, P.E.
January 3, 2022

If your office routine is anything like mine, you’re probably typing cryptic passwords into your desktop computer, laptop, smartphone or tablet throughout the day to access websites or cloud-based software that’s essential to your business.


Read More
Glitch-Fix Seemingly simple

The Glitch & The Fix: Seemingly simple

December 22, 2021

A homeowner hires a heating contractor to upgrade his propane-fired cast-iron boiler to a mod/con boiler. The cast-iron boiler is only 15 years old and in good shape. 


Read More
Big or small, contractors do it all
Heating Help

Dan Holohan: Does size matter?

Big or small, contractors do it all.
Dan Holohan
Dan Holohan
December 2, 2021

A young guy who was about the size of Bruno Mars came to my seminar once, and we were chatting during a break. I asked him how long he had been in the business. It’s good to see young people getting involved.


Read More
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    • 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
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      • Natalie Forster: Editorial Opinion
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