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Home » Topics » Radiant & Hydronics Columns

Radiant & Hydronics Columns
Radiant & Hydronics Columns RSS Feed RSS

Calculating heating measurements old school

Cardboard apps.
Dan Holohan
Dan Holohan
October 22, 2014
Calculating measurements since 1867 — no battery or signal required.
Read More
Dan Holohan October 2014 Author Image

Help owners understand fuel savings via lower heat complaints, not payback

“How much will it cost up front?”
Dan Holohan
Dan Holohan
September 24, 2014
Invisible tenants.


Read More
John Siegenthaler Hydrolics Workshop

A unique air-to-water heat pump system from a business entrepreneur

Air-to-water heat pumps extract low-temperature heat from outdoor air and deliver it to a stream of water.
John Siegenthaler, P.E.
John Siegenthaler, P.E.
September 24, 2014
The big guy doesn’t always win.


Read More
Ray Wohlfarth

Learn from the mistakes of others to avoid boiler startup dangers

Boiler startup dangers.
ray wohlfarth
Ray Wohlfarth
August 15, 2014

That was my first mistake. I assumed.


Read More
John Siegenthaler Hydrolics Workshop

Hydronic cooling for smaller buildings

Not just for skyscrapers.
John Siegenthaler, P.E.
John Siegenthaler, P.E.
August 15, 2014

Hydronic cooling also works in smaller buildings.


Read More
Dan Holohan October 2014 Author Image

Where are our apprenticeships?

The path to a career is through hands-on education.
Dan Holohan
Dan Holohan
August 15, 2014

Perhaps they’d rather be texting, tweeting and posting to Facebook rather than building stuff.


Read More
John Siegenthaler Hydrolics Workshop

Modern approaches to wood-fired hydronic heating

Don’t overlook the trees.
John Siegenthaler, P.E.
John Siegenthaler, P.E.
July 29, 2014

Just as the solar thermal industry had its ups and downs over the last four decades, the American public’s interest in wood-based heating has fluctuated with the price of conventional fuel.


Read More
Dan Holohan October 2014 Author Image

Top 10 facts about the Hartford Loop

Ten facts about its history and how it works
Dan Holohan
Dan Holohan
July 29, 2014

Learn about how the Hartford Loop works.


Read More
John Siegenthaler Hydrolics Workshop

Radiant ceilings are a great option in many systems

Over your head.
John Siegenthaler, P.E.
John Siegenthaler, P.E.
June 26, 2014

Radiant floor heating is by far the biggest part of the radiant panel market.


Read More
Dan Holohan October 2014 Author Image

Hot water and steam boilers during the summer

Summer, hot water and steam
Dan Holohan
Dan Holohan
June 26, 2014

The effects of fresh water and near-boiling water on iron pipe.


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
    • PROJECT PROFILES
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      • Natalie Forster: Editorial Opinion
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