HPAC Engineering

Sounding Board 

Aug 1, 2010, EDITED BY SCOTT ARNOLD, EXECUTIVE EDITOR

Reading the article on the Industrial Boiler MACT Rule (“Understanding the Industrial Boiler MACT Rule,” June 2010, http://bit.ly/d1jFga) leads me to this question: Do we need to be addressing our boilers for compliance?...

Sounding Board 

Jul 6, 2010, EDITED BY SCOTT ARNOLD, EXECUTIVE EDITOR

I enjoyed the article "Improving Efficiency With Variable-Primary Flow" (by James J. Nonnenmann, PE, and Daniel J. Flynn, PE, April 2010, http://bit.ly/9LklBK), but would like to know more about the controls. How are the chillers staged on and off?...

Sounding Board 

May 6, 2010

I am extremely distressed by the profound ignorance and arrogance exhibited by the authors (from Marion, Ill., and Dedham, Mass.) of two letters published in the April 2010 edition of HPAC Engineering (Sounding Board, "Global Warming," http://bit.ly/9Myhmi)....

Letters to the Editor 

Apr 8, 2010

As engineers, our code of ethics requires that we hold paramount the safety, health, and welfare of the public. We, therefore, have an obligation to familiarize ourselves with the science of global warming. ...

SOUNDING BOARD 

Mar 1, 2010, EDITED BY SCOTT ARNOLD, EXECUTIVE EDITOR

Becoming a LEED AP (Editor's note: The following was written recently in response to the November 2004 column Becoming a LEED-Accredited Professional,...

SOUNDING BOARD 

Feb 1, 2010, EDITED BY SCOTT ARNOLD, EXECUTIVE EDITOR

The Cost of Building Green The article The Cost-Effectiveness of Building (October 2009) examines available research on the cost of green buildings. Using...

Letters to the Editor 

Jan 1, 2010, EDITED BY SCOTT ARNOLD, EXECUTIVE EDITOR

Even though the definition of existing-building commissioning (EBCx) is given as a systematic process for investigating, analyzing, and optimizing the...

Letters 

Oct 1, 2009

Central utility plants While Carl C. Schultz, PE, LEED AP, makes a number of very good and valid points in his two-part Engineering Green Buildings column...

Letters to the Editor - May 2009 

May 1, 2009

Great article (The State of Energy: Revisited, March). It lays out the energy economic arguments in a very clear and concise manner. Matter of fact and...

How Green Is Green? 

Feb 1, 2009

The movement is taking the construction field by storm. Some are looking to reduce their impact on the environment, while others are motivated to control...