ASHRAE Journal - December 2012 - 3

CONTENTS 46 52

Vol. 54, No. 12|December 2012

Features

Standing Columns

132

16 26 32 38 42 46

Dual Maximum VAV Box Control Logic

By Steven T. Taylor, P .E.; Jeff Stein, P .E.; Gwelen Paliaga; Hwakong Cheng, P .E.

52 127 128 132 134

Building Sciences
Leaks & Holes
By Joseph W. Lstiburek, Ph.D., P .Eng.

Energy Modeling Basics
By Jared A. Higgins, P .E.

Refrigeration Applications
Jargon Buster
By Andy Pearson, Ph.D., C.Eng.

Long-Term Commercial GSHP Performance
Part 5: Comfort and Satisfaction By Steve Kavanaugh, Ph.D.; Josh Kavanaugh

Emerging Technologies
DOAS, Radiant Cooling Revisited
By Mildred Hastbacka; John Dieckmann; Antonio Bouza

Methods for Effective Room Air Distribution: Part 2
By Dan Int-Hout

2012 ASHRAE TECHNOLOGY AWARDS
43% Energy Savings
By Geneviève Lussier, Eng.; Victoria Lakiza; Jean-François Dubé; Pierre Lévesque, Eng.

IAQ Applications
Mold and Dampness
By Lew Harriman

Washington Report
Grassroots Influence
By Mark Ames; Mark Wills

Learning With Nature
By Prem Mehrotra, P .E.

Departments
4 Commentary 6 Industry News 12 Letters
®

14 Meetings and Shows 136 People 137 Products

143 Classified Advertising 144 Advertisers Index
Cover art © Jorg Greuel/Getty Images

Special Sections 59 New Product Preview 139 2012 ASHRAE Journal
Indices

ASHRAE Journal (ISSN 0001-2491) MISSION STATEMENT | ASHRAE Journal reviews current HVAC&R technology of broad interest through publication of application-oriented articles. ASHRAE Journal’s editorial content ranges from back-to-basics features to reviews of emerging technologies, covering the entire spectrum of professional interest from design and construction practices to commissioning and the service life of HVAC&R environmental systems. PUBLISHED MONTHLY | Copyright 2012 by ASHRAE, 1791 Tullie Circle N.E., Atlanta, GA 30329. Periodicals postage paid at Atlanta, Georgia, and additional mailing offices. LETTERS/MANUSCRIPTS | Letters to the editor and manuscripts for publication should be sent to: Fred Turner, Editor, ASHRAE Journal, fturner@ashrae.org. SUBSCRIPTIONS | $8 per single copy (includes postage and handling on mail orders). Subscriptions for members $6 per year, included with annual dues, not deductible. Nonmember $79 (includes postage in USA); $79 (includes postage for Canadian); $149 international (includes air mail). Expiration dates vary for both member and nonmember subscriptions. Payment (U.S. funds) required with all orders. CHANGE OF ADDRESS | Requests must be received at subscription office eight weeks before effective date. Send both old and new addresses for the change. ASHRAE members may submit address changes at www.ashrae.org/address. POSTMASTER | Send form 3579 to: ASHRAE Journal, 1791 Tullie Circle N.E., Atlanta, GA 30329. Canadian Agreement Number 40037127.
ONLINE at ASHRAE.org | Feature articles are available online. Members can access articles at no cost. Nonmembers may purchase articles at www.ashrae.org/bookstore. | MICROFILM | This publication is microfilmed by National Archive Publishing Company. For information on cost and issues available, contact NAPC at 800-420-NAPC or www.napubco.com. PUBLICATION DISCLAIMER | ASHRAE has compiled this publication with care, but ASHRAE has not investigated and ASHRAE expressly disclaims any duty to investigate any product, service, process, procedure, design or the like which may be described herein. The appearance of any technical data, editorial material or advertisement in this publication does not constitute endorsement, warranty or guarantee by ASHRAE of any product, service, process, procedure, design or the like. ASHRAE does not warrant that the information in this publication is free of errors and ASHRAE does not necessarily agree with any statement or opinion in this publication. The entire risk of the use of any information in this publication and its supplement is assumed by the user.

© Tim Toburen



ASHRAE Journal - December 2012

Table of Contents for the Digital Edition of ASHRAE Journal - December 2012

ASHRAE Journal - December 2012
Contents
Commentary
Industry News
Letters
Meetings and Shows
Feature Articles
Dual Maximum VAV Box Control Logic
Energy Modeling Basics
Long-Term Commercial GSHP Performance: Part 5: Comfort and Satisfaction
Methods for Effective Room Air Distribution: Part 2
Technology Award Case Studies:
43% Energy Savings
Learning With Nature
Standing Columns
Building Sciences
Special Section
New Product Preview
Refrigeration Applications
Emerging Technologies
IAQ Applications
Washington Report
People
Products
2012 ASHRAE Journal Indices
Classified Advertising
Advertisers Index
ASHRAE Journal - December 2012 - ASHRAE Journal - December 2012
ASHRAE Journal - December 2012 - Cover2
ASHRAE Journal - December 2012 - 1
ASHRAE Journal - December 2012 - 2
ASHRAE Journal - December 2012 - Contents
ASHRAE Journal - December 2012 - Commentary
ASHRAE Journal - December 2012 - 5
ASHRAE Journal - December 2012 - Industry News
ASHRAE Journal - December 2012 - 7
ASHRAE Journal - December 2012 - 8
ASHRAE Journal - December 2012 - 9
ASHRAE Journal - December 2012 - 10
ASHRAE Journal - December 2012 - 11
ASHRAE Journal - December 2012 - Letters
ASHRAE Journal - December 2012 - 13
ASHRAE Journal - December 2012 - Meetings and Shows
ASHRAE Journal - December 2012 - 15
ASHRAE Journal - December 2012 - Dual Maximum VAV Box Control Logic
ASHRAE Journal - December 2012 - 17
ASHRAE Journal - December 2012 - 18
ASHRAE Journal - December 2012 - 19
ASHRAE Journal - December 2012 - 20
ASHRAE Journal - December 2012 - 21
ASHRAE Journal - December 2012 - 22
ASHRAE Journal - December 2012 - 23
ASHRAE Journal - December 2012 - 24
ASHRAE Journal - December 2012 - 25
ASHRAE Journal - December 2012 - Energy Modeling Basics
ASHRAE Journal - December 2012 - 27
ASHRAE Journal - December 2012 - 28
ASHRAE Journal - December 2012 - 29
ASHRAE Journal - December 2012 - 30
ASHRAE Journal - December 2012 - 31
ASHRAE Journal - December 2012 - Long-Term Commercial GSHP Performance: Part 5: Comfort and Satisfaction
ASHRAE Journal - December 2012 - 33
ASHRAE Journal - December 2012 - 34
ASHRAE Journal - December 2012 - 35
ASHRAE Journal - December 2012 - 36
ASHRAE Journal - December 2012 - 37
ASHRAE Journal - December 2012 - Methods for Effective Room Air Distribution: Part 2
ASHRAE Journal - December 2012 - 39
ASHRAE Journal - December 2012 - 40
ASHRAE Journal - December 2012 - 41
ASHRAE Journal - December 2012 - 43% Energy Savings
ASHRAE Journal - December 2012 - 43
ASHRAE Journal - December 2012 - 44
ASHRAE Journal - December 2012 - 45
ASHRAE Journal - December 2012 - Learning With Nature
ASHRAE Journal - December 2012 - 47
ASHRAE Journal - December 2012 - 48
ASHRAE Journal - December 2012 - 49
ASHRAE Journal - December 2012 - 50
ASHRAE Journal - December 2012 - 51
ASHRAE Journal - December 2012 - Building Sciences
ASHRAE Journal - December 2012 - 53
ASHRAE Journal - December 2012 - 54
ASHRAE Journal - December 2012 - 55
ASHRAE Journal - December 2012 - 56
ASHRAE Journal - December 2012 - 57
ASHRAE Journal - December 2012 - 58
ASHRAE Journal - December 2012 - New Product Preview
ASHRAE Journal - December 2012 - 60
ASHRAE Journal - December 2012 - 61
ASHRAE Journal - December 2012 - 62
ASHRAE Journal - December 2012 - 63
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ASHRAE Journal - December 2012 - 125
ASHRAE Journal - December 2012 - 126
ASHRAE Journal - December 2012 - Refrigeration Applications
ASHRAE Journal - December 2012 - Emerging Technologies
ASHRAE Journal - December 2012 - 129
ASHRAE Journal - December 2012 - 130
ASHRAE Journal - December 2012 - 131
ASHRAE Journal - December 2012 - IAQ Applications
ASHRAE Journal - December 2012 - 133
ASHRAE Journal - December 2012 - Washington Report
ASHRAE Journal - December 2012 - 135
ASHRAE Journal - December 2012 - People
ASHRAE Journal - December 2012 - Products
ASHRAE Journal - December 2012 - 138
ASHRAE Journal - December 2012 - 2012 ASHRAE Journal Indices
ASHRAE Journal - December 2012 - 140
ASHRAE Journal - December 2012 - 141
ASHRAE Journal - December 2012 - 142
ASHRAE Journal - December 2012 - Classified Advertising
ASHRAE Journal - December 2012 - Advertisers Index
ASHRAE Journal - December 2012 - Cover3
ASHRAE Journal - December 2012 - Cover4
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