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Commercial Geothermal Heat Pump Systems
GHP is well-suited to address concerns about a building’s operational cost and environmental impact.

Perception vs. Reality
Will the real green energy systems please step forward?

Fun With FLIR
John Siegenthaler road-tests a thermal imaging camera.

New Products

Boiler Temp Control - May 29, 2009

Whole-House Dehumidification - May 28, 2009

Through-The-Wall Water Heater - May 27, 2009

Combi-Control - May 25, 2009

PVC Venting - May 22, 2009

Affordable, Contemporary Towel Warmers - May 15, 2009

May 2009 Issue

•	Radiant Floor Heat, Not Just For The Rich & Famous

•	Affordable, Contemporary Towel Warmers

•	Commercial Geothermal Heat Pump Systems

•	Perception vs. Reality

•	Peculiar Piping

•	Overly Separated

The Glitch and The Fix

Overly Separated
Eager to keep up with new technology, an installer decides to install a hydraulic separator between a boiler and distribution system.
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by John Siegenthaler, P.E.

Peculiar Piping
To say this system is a piping aberration is going easy on it.
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by John Siegenthaler, P.E.

More Complicated Than Necessary
An installer is asked to provide a system that supplies two zones of fin-tube baseboard and two zones of floor heating.
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by John Siegenthaler, P.E.

AEC Store Featured Product

Buried Pipe Design, 3rd Ed.
Your price: $107.95
This edition of Buried Pipe Design helps you analyze the performance of a wide range of pipes, so you can determine the proper pipe and installation system for the job. Covers almost every type of rigid and flexible pipe.

Meetings and Shows

Jul 8, 2009
Achieving Success in a Commercial Geothermal Market
1pm ET,

Jul 8, 2009 - Jul 10, 2009
REHAU 2009 Skill Builders Radiant Heating and Geothermal Systems Seminars
Denver, Colorado

Jul 16, 2009 - Jul 17, 2009
Taco FloPro Factory Training: The 'Compleat' Boiler Room
Cranston, Rhode Island

eNews

Keep up-to-date on industry developments, the latest products, training events and more by subscribing to this twice monthly e-newsletter from the publishers of Plumbing & Mechanical, Supply House Times, and PM Engineer.

Radiant Flooring Guide

Build your own radiant floor sandwich by selecting from dozens of floorcovering, subflooring, cushioning, insulating and radiant heating products in this one-of-a-kind reference.
Download the digital version.

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