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Home » Topics » Market Sectors » Radiant & Hydronics

Radiant & Hydronics
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Radiant & Hydronics
The information resource for contractors engaged in hydronic heating, radiant heating/cooling, geothermal heating/cooling, and solar thermal.


Spring 2022 Radiant Comfort Report | Buyers Guide | Videos | eNews Sign Up

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Radiant & Hydronics Products

The newest products in the radiant and hydronics industry.

The Glitch & The Fix

Hydronics Editor John Siegenthaler, P.E. challenges heating professionals to design radiant and hydronics systems for an efficiency-minded world.

Radiant Comfort Report

The biannual Radiant Comfort Report highlights the latest technology, products and training for radiant heating/cooling professionals.

Winter 2022 Edition | Buyers Guide

  • Articles
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ARTICLES

steam boiler

Dan Holohan: Dry steam is the goal

Things to consider when replacing a steam boiler.
Holohan
Dan Holohan
February 1, 2023
No Comments

I love all the advances taking place in the world of hydronics, but I’m still seeing plenty of steam systems out there in our older cities, so knowing about dry steam will help you if you’re replacing a steam boiler. The dryer the steam is, the better you’re going to look to your customers.


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hydronic heating system

John Siegenthaler: Adding a heat pump

Several possible approaches.
Siegenthaler
John Siegenthaler, P.E.
January 31, 2023
No Comments

Many legacy hydronic heating systems use a fossil fuel boiler to supply fin-tube baseboard heat emitters in some areas of a building and lower-temperature radiant panels in other areas. 


Read More
glitch-fix-feature

The Glitch + The Fix: Swapping one “box” for another

January 25, 2023
One Comment

Given the current prices for fuel oil and propane, and current state and federal incentive programs, many homeowners are asking heating contractors to replace their aging boilers with a geothermal heat pump system.


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desk-typewriter-lamp

Dan Holohan: That seventies show

Learn from the mistakes of the past or we’ll be doomed to repeat them.
Holohan
Dan Holohan
January 4, 2023
2 Comments

I began my career in the HVAC business in 1970 as a truck driver for an AC/refrigeration wholesaler. I stayed there just six weeks because my father — who worked for a manufacturers’ rep — told me there was an opening for a clerk at the rep. It paid $110 a week, which was $10 more than I was getting driving the truck. Plus, I’d get to work with him as my boss.


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hydronic systems

John Siegenthaler: Well-planned hydronic systems last far longer than modern appliances

Lasting value
Siegenthaler
John Siegenthaler, P.E.
January 3, 2023
2 Comments
glitch-fix-feature

The Glitch + The Fix: Plethora of problems

December 26, 2022
One Comment

Can you spot at least 5 causes for concern among these three photos? If so, what would you do to correct them?


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City

Dan Holohan: The geography of auto-feeders on steam

Auto-feeders — yay or nay?
Holohan
Dan Holohan
December 1, 2022
One Comment

I have heating (plumbing, fire suppression, etc.) shops in New York and New Jersey. This is very much steam country, and we repair and replace steam boilers and systems all week long and have been for decades. All that is fine, but what I find incredibly odd is the polarized perception of the automatic water feeder.


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Geothermal pipe passages

John Siegenthaler: Geothermal pipe passages

Bringing earth loop piping through poured concrete.
Siegenthaler
John Siegenthaler, P.E.
November 30, 2022
One Comment

Water-to-water heat pumps, supplied from geothermal earth loops, represent a growing sector of the hydronic heat source market. Most current-generation models can produce water temperatures up to about 125° F, perhaps a little higher if you’re willing to push the compressor operating envelope.


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glitch-fix-feature

The Glitch + The Fix: Indirect bottleneck

November 29, 2022
3 Comments

An installer is asked to provide a 4-ton-rated (48,000 Btu/h) geothermal heat pump system that can provide space heating and domestic hot water.


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Radiant floor heating

Retrofitting radiant in residential

Radiant products ideal for retrofit applications.
Kim Bliss
November 21, 2022
One Comment

With homes now doing dual duty as both a residence and a workplace, many people are spending double the time in the same space. This lifestyle shift has launched a home-renovation trend for people who are looking to change their current living spaces to better align with the needs of life and work in one place.


Read More
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Radiant & Hydronics Digital Edition Archives

IMAGE GALLERIES

Madeinusahead

Plumbing manufacturers proudly display products made in America

This month, while Americans everywhere celebrate Independence Day, the Plumbing & Mechanical team decided to highlight some of the many plumbing products made in the USA. The following 25 images were submitted by manufacturers proud to display their American-made products.

Ishchina2018 1

2018 ISH China & CIHE draws record crowd

The May 22-24 event in Beijing hosts 1,300 exhibitors and welcomes 70,202 visitors — a 13.9% increase over 2017.

July 11, 2018

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Dan Holohan: Dry steam is the goal

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The Glitch + The Fix: Swapping one “box” for another

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Modern Hydronic Heating and Cooling For Residential and Light Commercial Buildings, 4th Edition

Modern Hydronic Heating and Cooling For Residential and Light Commercial Buildings, 4th Edition

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