ASHRAE Journal - June 2011 - 4

ASHRAE® JouRNAL
1791 Tullie Circle NE Atlanta, GA 30329-2305 Phone: 404-636-8400 Fax: 404-321-5478 ASHRAE Online: www.ashrae.org

COMMENTARY
Building for People
Buildings are for people. These words are almost a cliché, but the message can be forgotten, especially as the industry pushes toward greater and greater energy efficiencies. This is one of the reasons behind this month’s feature on ASHRAE Standard 55, Thermal Environmental Conditions for Human Occupancy. A new version of the 45-year-old standard was released in November, and has a number of significant changes. These include a new method for selecting air speed limits, which dramatically raises the maximum operating temperature from still-air comfort zones. “The intent of these requirements is to allow systems… (to) deliver dramatic reductions in gross cooling requirements and associated energy consumption in exchange for modest local fan energy penalties,” says Fred Turner author Stephen C. Turner, P.E., Member ASHRAE, immediate past chair of Standard 55. The article also covers how to choose the most appropriate compliance path, including the Computer Model Method that Turner says is becoming increasingly important on complex and high performance projects. IT DOESN’T seem right that male college graduates receive 17% higher starting salaries, on average, than female graduates. An exception is females with degrees in engineering, who start at almost 4% more. Edwin W. Koc, who conducted the 55,000-participant survey for the National Association of College Employers (NACE), says this is because there are so few female engineering graduates that they’re a valued commodity, especially for companies with diversity programs. But there might be another reason. When asked what is important to them about a job, female grads overall rank salary fourth or fifth, behind such issues as location and opportunities for advancement. Female engineering grads rank salary first, says Koc. “They seem to be far more conscious of salary, and I think they are more assertive about pursuing higher salaries,” says Koc. “Maybe this coincides with expectations.” You can find a short news story on the salary survey on Page 12. It includes a link to a more in-depth article. SEEING RED Over Green Roofs is the title of this month’s column by Joe Lstiburek, Ph.D., P.E., Fellow ASHRAE. It’s vintage Joe. He likes green roofs for their aesthetics and because “ugliness” in buildings is not sustainable. But he thinks many are being misled by the purported environmental benefits. “If dirt were energy efficient,” he writes, “we would call it insulation and put it in walls.” We also have an article on achieving net zero energy buildings by Gordon V Holness, .R. P.E., Presidential/Fellow/Life Member ASHRAE. “The movement from prescriptive standards, to performance standards, and eventually to outcome based standards, will be just one essential step on the path to success,” says Holness. Other columns and articles cover system effect, saving energy in lab exhaust systems and solar collection and use. We’ve enjoyed putting this issue together and hope you find it interesting and helpful. As always, we appreciate all feedback.

Publisher W. Stephen Comstock EDITORIAL
Editor Fred Turner fturner@ashrae.org Managing Editor Sarah Foster sfoster@ashrae.org Associate Editor Rebecca Matyasovski rmatyasovski@ashrae.org Associate Editor Christopher Weems cweems@ashrae.org Associate Editor Charlotte Tubbs ctubbs@ashrae.org Copy Editor Jeri Eader jeader@ashrae.org

PUBLISHING SERVICES
Production Jayne Jackson Tracy Becker

Publishing Services Manager David Soltis

ADVERTISING

Advertising Sales Manager Greg Martin gmartin@ashrae.org Advertising Production Coordinator Vanessa Johnson vjohnson@ashrae.org

CIRCULATION

Circulation Specialist David Soltis dsoltis@ashrae.org

ASHRAE OFFICERS
President Lynn G. Bellenger, P .E. President-Elect Ronald E. Jarnagin Treasurer Thomas E. Watson, P .E. Vice Presidents William P Bahnfleth, Ph.D., P . .E. Sheila J. Hayter, P .E. Ross D. Montgomery, P .E. T. David Underwood, P .Eng. Secretary & Executive Vice President Jeff H. Littleton

POLICY GROUP

2010 – 11 Chair Publications Committee John A. Clark, P .E. Washington Office washdc@ashrae.org
Member of the Audit Bureau of Circulation



ASHRAE Journal - June 2011

Table of Contents for the Digital Edition of ASHRAE Journal - June 2011

Contents
Commentary
Industry News
Meetings and Shows
Letters
Feature Articles
Saving Energy in Lab Exhaust Systems
System Effect: To Believe It Is to See It
What’s New in ASHRAE’s Standard on Comfort
On the Path to Net Zero: How Do We Get There From Here?
Technology Award Case Studies:
Walls to Heat, Cool
Building Sciences
Solar NZEB Project
HVAC Mythbuster
Emerging Technologies
IAQ Applications
Washington Report
Products
People
Classified Advertising
Advertisers Index
ASHRAE Journal - June 2011 - Intro
ASHRAE Journal - June 2011 - Cover1
ASHRAE Journal - June 2011 - Cover2
ASHRAE Journal - June 2011 - 1
ASHRAE Journal - June 2011 - 2
ASHRAE Journal - June 2011 - Contents
ASHRAE Journal - June 2011 - Commentary
ASHRAE Journal - June 2011 - 5
ASHRAE Journal - June 2011 - Industry News
ASHRAE Journal - June 2011 - 7
ASHRAE Journal - June 2011 - 8
ASHRAE Journal - June 2011 - 9
ASHRAE Journal - June 2011 - 10
ASHRAE Journal - June 2011 - 11
ASHRAE Journal - June 2011 - 12
ASHRAE Journal - June 2011 - 13
ASHRAE Journal - June 2011 - Meetings and Shows
ASHRAE Journal - June 2011 - 15
ASHRAE Journal - June 2011 - Letters
ASHRAE Journal - June 2011 - 16a
ASHRAE Journal - June 2011 - 16b
ASHRAE Journal - June 2011 - 17
ASHRAE Journal - June 2011 - 18
ASHRAE Journal - June 2011 - 19
ASHRAE Journal - June 2011 - 20
ASHRAE Journal - June 2011 - 21
ASHRAE Journal - June 2011 - 22
ASHRAE Journal - June 2011 - 23
ASHRAE Journal - June 2011 - 24
ASHRAE Journal - June 2011 - 25
ASHRAE Journal - June 2011 - Saving Energy in Lab Exhaust Systems
ASHRAE Journal - June 2011 - 27
ASHRAE Journal - June 2011 - 28
ASHRAE Journal - June 2011 - 29
ASHRAE Journal - June 2011 - 30
ASHRAE Journal - June 2011 - 31
ASHRAE Journal - June 2011 - 32
ASHRAE Journal - June 2011 - 33
ASHRAE Journal - June 2011 - 34
ASHRAE Journal - June 2011 - 35
ASHRAE Journal - June 2011 - 36
ASHRAE Journal - June 2011 - 37
ASHRAE Journal - June 2011 - System Effect: To Believe It Is to See It
ASHRAE Journal - June 2011 - 39
ASHRAE Journal - June 2011 - 40
ASHRAE Journal - June 2011 - 41
ASHRAE Journal - June 2011 - What’s New in ASHRAE’s Standard on Comfort
ASHRAE Journal - June 2011 - 43
ASHRAE Journal - June 2011 - 44
ASHRAE Journal - June 2011 - 45
ASHRAE Journal - June 2011 - 46
ASHRAE Journal - June 2011 - 47
ASHRAE Journal - June 2011 - 48
ASHRAE Journal - June 2011 - 49
ASHRAE Journal - June 2011 - On the Path to Net Zero: How Do We Get There From Here?
ASHRAE Journal - June 2011 - 51
ASHRAE Journal - June 2011 - 52
ASHRAE Journal - June 2011 - 53
ASHRAE Journal - June 2011 - 54
ASHRAE Journal - June 2011 - 55
ASHRAE Journal - June 2011 - 56
ASHRAE Journal - June 2011 - 57
ASHRAE Journal - June 2011 - 58
ASHRAE Journal - June 2011 - 59
ASHRAE Journal - June 2011 - 60
ASHRAE Journal - June 2011 - 61
ASHRAE Journal - June 2011 - Walls to Heat, Cool
ASHRAE Journal - June 2011 - 63
ASHRAE Journal - June 2011 - 64
ASHRAE Journal - June 2011 - 65
ASHRAE Journal - June 2011 - 66
ASHRAE Journal - June 2011 - 67
ASHRAE Journal - June 2011 - Building Sciences
ASHRAE Journal - June 2011 - 69
ASHRAE Journal - June 2011 - 70
ASHRAE Journal - June 2011 - 71
ASHRAE Journal - June 2011 - Solar NZEB Project
ASHRAE Journal - June 2011 - 73
ASHRAE Journal - June 2011 - 74
ASHRAE Journal - June 2011 - 75
ASHRAE Journal - June 2011 - 76
ASHRAE Journal - June 2011 - 77
ASHRAE Journal - June 2011 - HVAC Mythbuster
ASHRAE Journal - June 2011 - 79
ASHRAE Journal - June 2011 - 80
ASHRAE Journal - June 2011 - 81
ASHRAE Journal - June 2011 - Emerging Technologies
ASHRAE Journal - June 2011 - 83
ASHRAE Journal - June 2011 - 84
ASHRAE Journal - June 2011 - 85
ASHRAE Journal - June 2011 - IAQ Applications
ASHRAE Journal - June 2011 - 87
ASHRAE Journal - June 2011 - 88
ASHRAE Journal - June 2011 - 89
ASHRAE Journal - June 2011 - Washington Report
ASHRAE Journal - June 2011 - Products
ASHRAE Journal - June 2011 - 92
ASHRAE Journal - June 2011 - People
ASHRAE Journal - June 2011 - Classified Advertising
ASHRAE Journal - June 2011 - 95
ASHRAE Journal - June 2011 - Advertisers Index
ASHRAE Journal - June 2011 - Cover3
ASHRAE Journal - June 2011 - Cover4
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