July 2, 2015

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April 11, 2013


Run your classified ad in this space! Submit your own classified to get started or call Mike O'Connor at 610-354-9552. Read More
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Image Galleries

2013 QSC Power Meeting XXXVIII

March 14-16, 2013, San Diego

Photos by Kelly Faloon/Plumbing & Mechanical

8/26/14 1:00 pm EST

Free Webinar: Low Temperature Heat Emitter Options in Hydronic Systems

With proper design, you can create systems that require supply water temperatures no higher than 120° F under design load conditions.

Products of the Week

SunTrac Solar sun-tracking smart panel
SunTrac Solar sun-tracking smart panel

SunTrac Solar’s SmartPanel is a concentrating solar thermal panel with a computerized sun-tracking control system to adjust the concentrators.

Rinnai Hybrid Tank-Tankless Water Heater
Rinnai hybrid tank-tankless water heater

The Rinnai Hybrid Tank-Tankless Water Heater combines a tankless water heater with an energy-efficient and durable 40-gal. storage tank.

Hydronic mixing block
Hydronic mixing block simplifies radiant heating installation
The new Viega hydronic mixing block simplifies wiring, piping and programming for radiant heating systems.

Radiant Heating Report

Radiant Heating ReportThe Radiant Heating Report is an official publication of the Radiant Professionals Alliance. CLICK HERE to view the latest digital edition of RHR.

Green Plumbing & Heating

Green Plumbing & HeatingCheck out the latest edition of Green Plumbing & Heating. CLICK HERE to read the digital edition of the publication.

Where do you look for new employees?

Where do you look for new employees?
View Results Poll Archive

The Radiant and Hydronics Store

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Hydronics Know How II CD

The Hydronics Know How II CD contains all the columns and articles John Siegenthaler has written for Plumbing & Mechanical and PM Engineer, from the very first in July 1996 through December 2008. That’s over 200 articles and columns covering everything from heat loss to hydraulic separation.

More Products


Radiant Flooring Guide
Info in pairing radiant heating with finished floors


B.I.G. Book
Manufacturer and product listings


Rep Locator
Manufacturers rep directory


Training, trade shows, meetings, events


Industry Links
Industry-related websites




Radiant Professionals Alliance


Mechanical Contractors Association of America


Plumbing, Heating, Cooling Contractors – National Association


Plumbing & Mechanical


PM Engineer

Bath and Kitchen Pro

Reeves Journal


Supply House Times

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