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TAB Journal Previous Issues

AABC Tab Journal summer 2017 Issue
Air Barrier Testing
From the Publisher:
The Summer 2017 issue of TAB Journal looks at specifications and guidelines for air barrier testing. Denny Whitzel, TBE, CxA, of Pacific Coast Air Balancing, highlights a case study involving the balancing of a multi-story apartment building.

Also in this issue, Brian M. Trogstad, TBE, of Design Control, Inc., covers the balancing of closed wate... (more...)




AABC Tab Journal spring 2017 Issue
Balancing Air & Water Systems
From the Publisher:
The Spring 2017 issue of TAB Journal covers a range of topics concerning the testing and balancing of air and water systems.

Mat Chenvert, TBE, of Air Systems Engineering discusses the expectations for TAB engineers and how that fits into the construction schedule.

Bret Privitt, TBE, of Air Balancing Company, Inc. looks at the application and... (more...)




AABC Tab Journal winter 2017 Issue
Testing HVAC Water Systems With Diversity
From the Publisher:
The Winter 2017 issue of TAB Journal features a cover story from James E. Hall, PE, TBE, CxA, of Systems Management & Balancing, Inc. The article, which originally appeared in Engineered Systems Magazine, looks at HVAC water systems designed with diversity an the consideration that must go into approaching the test and balance process.

Also in t... (more...)




AABC Tab Journal fall 2016 Issue
Guidelines for Maximizing Indoor Comfort
From the Publisher:
The Fall 2016 issue of TAB Journal looks at specifications and guidelines to maximize indoor comfort levels. Vincent E. Alejandre, TBE and Vincent A. Alejandre of Los Angeles Air Balance Company, Inc. discuss a project that involved sound testing in classrooms designated for special needs children.

Albert Englehart, TBE, of Mechanical Testing, ... (more...)




AABC Tab Journal summer 2016 Issue
New Developments in Hydronic Systems
From the Publisher:
The Summer 2016 issue of TAB Journal looks at new developments in hydronic systems with Andy J. Cripe of Aerodynamics Inspecting of Texas, LLC, discussing “sensorless” pump control.

Also in this issue, Sean Bunting, TBE, of National Air Balance Company looks at a the testing procedures for Buoyancy Driven Ventilation Systems.

Harry E. Gaines... (more...)




AABC Tab Journal spring 2016 Issue
Troubleshooting for Optimum System Performance
From the Publisher:
The Spring 2016 issue of TAB Journal looks at various approaches to troubleshooting in testing and balancing in order to obtain optimum system performance.

Robert Mugford, TBE, of Air Balance Company, Inc., looks at a case study involving out-of-sync cooling towers.

Joe Helm, TBE, of Northwest Engineering Service, Inc., addresses the interact... (more...)




AABC Tab Journal winter 2016 Issue
Introducing the Seventh Edition of the AABC National Standards for Total System Balance
From the Publisher:
The Winter 2016 issue of TAB Journal introduces the seventh edition of the National Standards for Total System Balance. The newest version is ANSI approved, with revised and expanded content and important industry updates. Also in this issue, Sean Bunting, TBE, LEED AP, of National Air Balance Company, Inc., discusses the importance of the test and... (more...)




AABC Tab Journal fall 2015 Issue
Optimizing Testing and Balancing Results
From the Publisher:
The Fall 2015 issue of TAB Journal looks at ways to optimize testing and balancing results. Dean Ferreira, TBE, CxA, of MESA3, Inc. discusses newer energy efficiency standards and how that has affected the design and testing of HVAC systems.

Bret Privitt, TBE, CxA, of Air Balancing Company, Inc. talks about how test and balance engineers, workin... (more...)




AABC Tab Journal summer 2015 Issue
Optimizing Airflow Systems for Indoor Environments
From the Publisher:
The summer 2015 issue of TAB Journal examines the challenges encountered when balancing air systems.

Terry Wright, TBE, of Engineered Air Balance Co., Inc., discusses the limitations of fan filter units in spaces such as hospitals, pharmacies and clean rooms.

In “Behind Grille Opposed Blade Dampers: Buyer and Balancer Beware,” AHS Testing & B... (more...)




AABC Tab Journal spring 2015 Issue
Troubleshooting And Safety Considerations
From the Publisher:
The spring 2015 issue of TAB Journal explores the issues encountered when troubleshooting and the safety considerations to keep in mind when balancing different systems. In “Catching Hidden Costs: A Commissioning Story,” Professional System Analysis, Inc. looks at how commissioning services can eliminate problems that would lead to additional opera... (more...)




AABC Tab Journal winter 2015 Issue
Instrumentation & Equipment for Proper Balancing
From the Publisher:
The winter 2015 issue of TAB Journal looks at some of the instrumentation and equipment encountered in testing and balancing projects. Mike Van Weichen, TBS of Airwaso Canada Inc. discusses the use of micron filters in filtration systems.

Benjiman J. Link, TBE of United Testing & Balancing, Inc. goes into the importance of correct airflow monito... (more...)




AABC Tab Journal fall 2014 Issue
Optimizing Airflow in Buildings
From the Publisher:
The Fall 2014 issue of TAB Journal examines the optimization of airflow within indoor environments. Bay to Bay Balancing, Inc.’s William Carson Judge, TBE, CxA, discusses Indoor Air Quality and what test and balance technicians should know about it.

John Bessent, TBE, of TAB Solutions, Inc. goes over transfer air and how it can be impacted by du... (more...)




AABC Tab Journal summer 2014 Issue
Verifying Flow in Water Systems
From the Publisher:
The summer 2014 issue of TAB Journal looks at the technical expertise of AABC test and balance engineers on topics related to the balancing of air and water systems. The feature story by David E. Gilbert, TBE, of Fluid Dynamics, Inc., showcases the balancing of hydronic systems equipped with a pressure independent characterized control valve (PIC... (more...)




AABC Tab Journal spring 2014 Issue
Environmental Considerations When Balancing Buildings
From the Publisher:
In the spring 2014 issue of TAB Journal, several articles explore the role the environment can play when testing and balancing. “Environmental Considerations of the Southwest,” by Michael Ziegler, TBE of TAB Technology, Inc., addresses the concerns of balancing in a desert climate, while Jeffrey Wicka, TBE, CxA of San Diego Air Balance Co., Inc. lo... (more...)




AABC Tab Journal winter 2014 Issue
Phased Balancing In Hospital Projects
From the Publisher:
The winter 2014 issue of TAB Journal encompasses a range of topics from the Test and Balance field. The feature story by John Osheroff, TBE of Penn Air Control examines the challenges and planning involved when balancing a project that occurred across multiple phases in a hospital expansion and remodel.

Also in this issue, Timothy S. Nuckols, TB... (more...)




AABC Tab Journal fall 2013 Issue
Testing and Improving Building Performance
From the Publisher:
The Fall 2013 issue of TAB Journal covers a broad range of topics from the test and balance field.

Mat Chenevert, TBE, of Air Systems Engineering, Inc., looks at some considerations to keep in mind when interchanging ducts of different dimensions.

David Parker, TBE, of Thermocline Corp., determines the cause of air loss in a case study involv... (more...)




AABC Tab Journal summer 2013 Issue
Understanding the Effects of Glycol on Hydronic Systems
From the Publisher:
The Summer 2013 issue of TAB Journal covers a variety of topics from the test and balance field. The cover story, from Joseph Hardy, TBE, of Augusta Air Balance Co., LLC, investigates the benefits of adding glycol to a hydronic system.

Sean Bunting, TBE, of National Air Balance Company, Inc., explores the effects that environmental factors such ... (more...)




AABC Tab Journal spring 2013 Issue
Analzying and Controlling Airflow
From the Publisher:
The Spring 2013 issue of TAB Journal focuses on topics concerning airflow analysis and control. First, Alan Little, TBE, of Engineered Air Balance Co., Inc., explains the important correlation between minimum CFM and choosing the correct terminal box size. Next, Surrinder Sahota, TBS, of Designtest & Balance Co., Inc., provides a comprehensive look... (more...)




AABC Tab Journal winter 2013 Issue
Special Report: Test and Balance in Buildings
From the Publisher:
The Winter 2013 issue of TAB Journal features articles on variable speed pumping, temporary flexible ductwork, techniques for balancing valves properly, emphasizing
customer service, and methods of duct leakage testing.

A special report, “Test and Balance in Buildings,” highlights trends in the profession based upon survey data provided by AABC... (more...)




AABC Tab Journal fall 2012 Issue
Failure Testing a Bio-containment Facility
From the Publisher:
The fall 2012 issue of TAB Journal touches on many aspects of the test and balance industry, including healthcare facility testing, scrubber exhaust systems, and code requirements.

"Testing & Commissioning a Regional Bio-containment Lab: Lessons Learned" by Larry Poos, P.E., TBE, of Test and Balance Corporation, discusses the benefits of using i... (more...)




AABC Tab Journal summer 2012 Issue
Building Pressure and Leakage
From the Publisher:
The summer 2012 issue of TAB Journal showcases the technical expertise of AABC test and balance engineers on topics related to building pressure and leakage, as well as others such as cleanrooms, hydronic circuit setters and automatic airflow regulators.

“Stack Effect and Building Pressurization,” by Terry Wright, TBE, of Engineered Air Balance ... (more...)




AABC Tab Journal Spring 2012 Issue
Testing & Balancing for Better Indoor Environments
From the Publisher:
The Spring 2012 issue of TAB Journal touches on many aspects of the test and balance industry, including VAV systems, diffuser noise, and ventilation requirements.

“Variable Air Volume Systems and Return Air Balancing” by James E. Hall, P.E. and Odean H. Jukam, TBE, of Systems Management & Balancing, Inc., provides insight on return airflow bal... (more...)




AABC Tab Journal Fall 2011 Issue
Testing Atrium Smoke Control Systems
From the Publisher:
The Fall 2011 issue of TAB Journal touches on many aspects of test and balance, from testing smoke control and domestic water systems, to staying acquainted with older pneumatic controls, and troubleshooting rooftop units and kitchen hoods.

“Testing Atrium Smoke Control Systems” by Justin Garner, P.E., TBE, of Engineered Air Balance Co., Inc., ... (more...)




AABC Tab Journal summer 2011 Issue
Still Independent After All These Years
From the Publisher:
The summer 2011 issue of TAB Journal focuses on the importance of independence and what it means to be a member of AABC. The issue also showcases the technical expertise of AABC test and balance engineers on a variety of subjects.

“Still Independent After all These Years” and “AABC at a Glance” are this issue’s featured articles, explaining AABC... (more...)




AABC Tab Journal spring 2011 Issue
A Guide to Successful Duct Air Leakage Testing
From the Publisher:
The Spring 2011 issue of TAB Journal once again showcases the expertise of AABC test and balance engineers on a variety of issues.

This issue’s feature article, “A Roadmap to Successful Duct Air Leakage Testing,” by Gabriel Alejandre, TBE, of Los Angeles Air Balance Company, Inc., offers a detailed, step-by-step look at a critically important a... (more...)




AABC Tab Journal Winter 2011 Issue
Testing a Bio-containment Laboratory
From the Publisher:
Encompassing a wide range of topics ranging from commissioning to system-specific case studies, the winter 2011 issue of TAB Journal provides insight and analysis valuable to anyone involved in the testing and balancing industry.

The centerpiece article, “Commissioning a Regional Bio-containment Laboratory (RBL)” by Dale Davis of Test and Balanc... (more...)




AABC Tab Journal fall 2010 Issue
Optimizing HVAC Performance
From the Publisher:
Focusing on various ways to optimize HVAC performance, the Fall 2010 TAB Journal covers several important industry topics.

In “Hydronic Balancing to Achieve Optimum Indoor Climate Control,” David Hudson and Dwayne Squires of Victaulic, Inc., discuss the utility of hydronic balancing in ensuring occupant comfort, minimizing energy and costs, and ... (more...)




AABC Tab Journal summer 2010 Issue
Total System Balancing
From the Publisher:
The Summer 2010 of TAB Journal discusses a variety of topics dealing with total system balancing.

The issue’s feature article, “Coordinating Building Systems for Total System Testing,” by Gerald Ketter of AIR Engineering and Testing, Inc., describes the importance of integrating various sub-systems to ensure proper, total functionality, using a ... (more...)




AABC Tab Journal spring 2010 Issue
Testing Complex Systems
From the Publisher:
The Spring 2010 TAB Journal features several articles dealing with the testing of complex systems.

In “Determining Pressure Losses in Hydronic Systems,” Alan Little of Engineered Air Balance Co. Inc., examines how to obtain actual pressures in a piping system when there is a lack of testing points available. He provides a detailed, step-by-step ... (more...)




AABC Tab Journal fall 2009 Issue
Test & Balance for Optimum System Performance
From the Publisher:
The latest issue of TAB Journal features articles on a variety of topics in test and balance.

The feature article, “Evaluating Airflow-Measuring Devices” by Leonard Damiano, is an in-depth look at some of the most important devices in the practice of test and balance, and therefore in ensuring that HVAC systems are installed and functioning pro... (more...)




AABC Tab Journal spring 2009 Issue
Professional Independent Balancing
From the Publisher:
The latest issue of TAB Journal features articles highlighting some of the benefits of hiring professional, independent test and balance agencies, including improved energy efficiency, occupant comfort, and overall cost savings.

In “Hydronic Balancing Valves Can Cost You,” Dan Acri of Flood & Sterling explains the value to the owner—both in cost... (more...)




AABC Tab Journal fall 2008 Issue
Identifying and Avoiding System Effect
From the Publisher:
The latest issue of TAB Journal features two articles examining system effect. In “System Effect: You Have to Believe it to See It,” Austin Air Balancing’s Sutton Page presents a detailed analysis of the phenomenon and some interesting conclusions on its causes. In a companion article, Page and colleague Brian Beard provide a photographically illus... (more...)




AABC Tab Journal summer 2008 Issue
Measuring Air and Water Flow
From the Publisher:
The latest issue of TAB Journal includes a number of articles dealing
with different aspects of a fundamental aspect of test and balance:
measuring air and water flows. These include discussions of duct
pressure decay in bioscience labs, a duct leakage case study, taking
proper water gauge readings, and the second article of an in-depth, twopar... (more...)




AABC Tab Journal spring 2008 Issue
Kitchen Ventilation: Hood Types and Testing Procedures
From the Publisher:
The latest issue of TAB Journal examines the test and balance of kitchen ventilation systems, which are vital to the safe operation of many buildings. Gilles Tremblay of Gregor Hartenhoff Inc. provides an in-depth examination of different types of exhaust hoods and grease removal devices; different styles, sizes, and flow rates of those hoods; and ... (more...)




AABC Tab Journal fall 2007 Issue
Understanding Hydronics
From the Publisher:
The theme of the Fall 2007 issue of TAB Journal is “Understanding Hydronics.” Two detailed articles make up the cover package: Don Zijm of Effective Air Balance looks at a high-tech measurement tool in “Ultrasonic Flow Technologies for Testing and Balancing”; and Keith Suzuki offers an in-depth examination of a phenomenon that has a significant imp... (more...)




AABC Tab Journal summer 2007 Issue
Adjusting Airflow
From the Publisher:
The Summer 2007 issue of TAB Journal focuses on a number of ways that good test and balance companies adjust airflow to provide beneficial results. In “Manual Volume Dampers,” The Phoenix Agency’s Steve Young goes into great detail about these “unsung heroes” of system balancing. Michael Ziegler of TAB Technology discusses the importance of introdu... (more...)




AABC Tab Journal spring 2007 Issue
AABC: The Gold Standard for Testing and Balancing
From the Publisher:
The Spring 2007 issue of TAB Journal features as the cover story “AABC: The Gold Standard for Testing and Balancing.” We often receive questions about the difference between AABC and other test and balance organizations, and this article explains how the philosophies of independence and quality assurance are evident in AABC’s history, purpose, prog... (more...)




AABC Tab Journal winter 2007 Issue
Assessing Thermal Performance, Ultrasonic Flow Meters, Setting Constant Minimum Outside Air
From the Publisher:
The Winter 2007 issue of TAB Journal includes a range of articles from the importance of independence in both test and balance and commissioning to numerous important technical topics. It also highlights the upcoming conference High Performance Buildings 2007, of which AABC is a co-sponsor.

Dean Jukam explains the benefits–both in terms of build... (more...)




AABC Tab Journal summer 2006 Issue
Test & Balance for Energy Efficiency
From the Publisher:
The Fall 2006 issue of TAB Journal takes a look at something that is always on building owners’ minds, especially today: energy efficiency. Buildings that are tested and balanced by certified AABC Test & Balance Engineers are more likely to run properly as designed, and result in lower energy costs. This issue includes articles on energy recovery s... (more...)




AABC Tab Journal spring 2006 Issue
Hydronic Systems
From the Publisher:
The Spring 2006 issue of TAB Journal focuses on hydronics systems. Ranging from several articles on coil performance, to humidity control and auto flow valves, this issue examines hydronics from a number of different perspectives. Other articles include exhaust systems and duct leakage, the accuracy of air measurement tolerances, and stairwell pres... (more...)




AABC Tab Journal winter 2006 Issue
Balancing and HVAC Control Systems
From the Publisher:
We’re proud to present the Winter 2006 issue of TAB Journal, which examines the interaction between test and balancing and HVAC control systems. The articles touch on topics such as software/hardware issues, start-up personnel, verification procedures and controls settings. Other articles in the issue range from a flow venturi tip, to drive belts, ... (more...)




AABC Tab Journal fall 2005 Issue
TAB and Healthcare Facilities
From the Publisher:
The Fall 2005 issue of TAB Journa focuses on the testing and balancing of healthcare facilities.

In “Ventilation System Design Considerations for Healthcare Facilities,” Dynamic Flow Balancing Ltd.’s Edward S. Molnar examines the connections between airborne infections and properly balanced hospital facilities, as well as specific criteria for f... (more...)




AABC Tab Journal summer 2005 Issue
Balancing Building Exhaust Systems
From the Publisher:
We’re proud to present the Spring 2005 issue of TAB Journal, featuring a number of articles related to building exhaust systems.

In “Balancing Industrial Exhaust Systems,” Stephen D. Barnes of Eagle Test & Balance examines some of the specific considerations for balancing these systems, and “Power Roof Ventilators” presents an excerpt from the A... (more...)




AABC Tab Journal fall 2004 Issue
Introducing the Ultimate Commissioning Certification for Architects and Engineers
From the Publisher:
This commissioning-focused issue also serves as an introduction of the AABC Commissioning Group (ACG) to the building and HVAC industries.

Inside you will find an overview of ACG’s purpose and programs, with
information on the upcoming administration of the certification exam, as well as an excerpt, “Selecting A Commissioning Provider,” from th... (more...)




AABC Tab Journal summer 2004 Issue
TAB and the Digital Age
From the Publisher:
In this issue, we turn the spotlight on ways that computer technology is affecting the TAB profession. Jon Sheppard of TESCO, Inc. offers “Keeping Tabs on New Technology,” which examines the many ways that computers can improve organization, communication,
and calculations in the TAB industry. Effective Air Balance’s Don Zijm
examines another su... (more...)




AABC Tab Journal winter 2004 Issue
Ventilation Systems: Standards, Testing and Applications
From the Publisher:
Welcome to the Winter 2004 issue of TAB Journal, which has several articles dealing with aspects of ventilation.

In "Ventilation and Commissioning Standards for HVAC Systems," Ted Cohen of Air Conditioning Test and Balance, Inc. takes the industry to task for not having better ventilation requirements for health care facilities—which he calls "v... (more...)




AABC Tab Journal spring 2004 Issue
Smoke Detection and Fire Prevention
From the Publisher:
The Spring 2004 issue of TAB Journal delves into detail on various
aspects of smoke detection and fire control as they relate to HVAC systems. Keith Suzuki of Air Balance Co., Inc., looks at codes and standards, equipment, maintenance, and testing in “Duct Smoke Detector Applications.” “Testing of Fire Dampers and Motorized Fire/Smoke Dampers,” by... (more...)




AABC Tab Journal winter 2003 Issue
HVAC System Commissioning
From the Publisher:
We are pleased to bring you the Winter 2003 issue of TAB Journal, which focuses on the relationship between commissioning and test and balance.

Jim Magee of Thermal Balance Inc. leads off with “Green Buildings, Commissioning, and AABC,” which looks at the growing green building movement and the Leadership in Energy and Design (LEED) certificatio... (more...)




AABC Tab Journal summer 2003 Issue
underfloor HVAC systems
From the Publisher:
We are pleased to bring you the Summer 2003 issue of TAB Journal, which deals with a number of special testing applications.

The cover story, “Testing and Balancing Underfloor Systems,” by Gaylon Richardson of Engineered Air Balance Co., Inc. looks at design issues, lessons learned, and other aspects of these increasingly popular systems. Don Sh... (more...)




AABC Tab Journal spring 2003 Issue
Fume Hood Testing
From the Publisher:
We are pleased to bring you the Spring 2003 issue of TAB Journal, which focuses on the testing of both fume hoods and balancing hoods.

The article “Fume Hood Testing Standard in Revision Process” is based on an interview with Gerhard Knutson, chairman of the committee revising ANSI/ASHRAE 110-1995, who provides some hints about likely changes. T... (more...)




AABC Tab Journal fall 2003 Issue
Independent Commissioning Services
From the Publisher:
Welcome to the Fall 2003 issue of TAB Journal, which has several articles dealing with aspects of commissioning.

Commissioning is a quality assurance process, and therefore is dependent upon following detailed, systematic steps in order to achieve its goal of making sure that construction matches design intent. Jim Magee and Todd yates of Therma... (more...)




AABC Tab Journal winter 2002 Issue
AABC National Standards for Total System Balance
From the Publisher:
We are pleased to bring you the Winter 2001 issue of TAB Journal. The issue highlights the recent release of the 6th edition of the AABC National Standards for Total System Balance.

Gaylon Richardson of Engineered Air Balance Inc. gives you a chapter-by-chapter tour through the new standards book, noting the many changes, additions and enhancem... (more...)




AABC Tab Journal summer 2002 Issue
Tab Field Experience
From the Publisher:
We are pleased to bring you the Summer 2002 issue of TAB Journal, which highlights the important role that testing and balancing plays in many different types of facilities and functions.

Ed Molnar of Dynamic Flow Balancing Ltd. addresses one such important area in “Isolation Rooms for Infectious Disease Control in Healthcare Facilities,” while... (more...)




AABC Tab Journal spring 2002 Issue
BUILDING COMMISSIONING
From the Publisher:
We are pleased to bring you the Spring 2002 issue of TAB Journal, which focuses on the growing practice of building commissioning and AABC’s efforts in that area.

The cover story talks about AABC’s forthcoming Commissioning Guideline and Certification Program, both due to be officially rolled out during the AABC Semi-Annual Meeting in Las Vegas... (more...)




AABC Tab Journal fall 2002 Issue
Balancing Hydronic Systems
From the Publisher:
We are pleased to bring you the Fall 2002 edition of TAB Journal. The issue focuses on various aspects of balancing hydronic systems.

W. Carson Judge of Bay to Bay Balancing Inc. examines a piece of equipment that can aid in waterside balancing work in “Ultrasonic Transit Time Flowmeter for Hydronic Balancing.” Also included are “The Elements o... (more...)




AABC Tab Journal summer 2001 Issue
Equal Area vs. Log-Tchebycheff
From the Publisher:
We are pleased to present the Summer 2001 issue of TAB Journal. This issue delves into an ongoing debate in the test and balance community: Equal Area vs. Log-Tchebycheff. Several members have contributed articles exploring the competing methods for duct velocity traversing.

Gaylon Richardson presents two separate analyses of duct velocity trav... (more...)




AABC Tab Journal spring 2001 Issue
Laboratory Hood Testing
From the Publisher:
We are pleased to present the Spring 2001 issue of TAB Journal, featuring laboratory hood testing, a subject that is always of interest to test and balance professionals. In "Understanding the Design Intent of Variable Volume Lab Controls and Pressurization Systems," William Derse provides insight into the importance of understanding design intent ... (more...)




AABC Tab Journal fall 2001 Issue
Green Buildings
From the Publisher:
We are pleased to present the Fall 2001 issue of TAB Journal. This issue focuses on the subject of “Green Buildings.” We think this is a topic you will be hearing more of in years to come as environmental and energy issues are again coming to the fore.

The article, “Can Green Be Gold?” explains how Green Buildings are creating value in the mark... (more...)




AABC Tab Journal winter 2000 Issue
Kitchen Hood Testing
From the Publisher:
Kitchens offer a challenge to the air balance technician, they generate heat, smoke and grease which must be properly vented to ensure the comfort of both the patrons and the staff. We hope that the technical articles contained in this issue of TAB J o d , entitled Kitchen Hood Testing, will be helpful to those who work with systems in these punish... (more...)




AABC Tab Journal summer 2000 Issue
Duct Leakage Testing
From the Publisher:
Though not a required test, the Associated Air Balance Council Building recommends that all duct systems, including low-pressure systems, be sealed and tested in accordance with its National Standards. In fact, AABC’s new 2000 National Standards (scheduled for release later this year) will feature an updated and revised chapter dedicated to Duct Le... (more...)




AABC Tab Journal spring 2000 Issue
Total System Balance
From the Publisher:
Over the last thirty years, Heating, Ventilating, and Air Conditioning (HVAC) systems have grown more complex and inter-related. In order to meet the challenges that these new systems present to test and balance agencies, AABC developed the concept of Total System Balance (TSB). Simply put, Total System Balance is the process of testing and balanci... (more...)




AABC Tab Journal fall 2000 Issue
Special Testing
From the Publisher:
We are pleased to present to you the Fall 2000 edition of TAB Journal on special testing, which is a look at various testing and balancing techniques. There are a number of interesting articles in this edition, including one by Michael Carrillo, “TAB Agencies, Not Just Balancers,” where he argues against common misconceptions of TAB agencies in the... (more...)




AABC Tab Journal winter 1999 Issue
Testing and Balancing in Animal Laboratory Facilities
From the Publisher:
Thousands of square feet of animal research facilities are designed and constructed each year, and it is vital that researchers have the best possible environmental conditions to ensure reliable and repeatable results from their studies and experiments on laboratory animals. Failure to do so could mean years of valuable data obtained from the testi... (more...)




AABC Tab Journal spring 1999 Issue
Commissioning HVAC Systems
From the Publisher:
As HVAC systems become more complex, and as building owners demand satisfactory HVAC performance from the day they move in, more and more building owners are choosing to go with commissioning during the construction process. This trend has opened up new opportunities for many TAB agencies eager to expand their scope of work into acceptance and veri... (more...)




AABC Tab Journal fall 1999 Issue
Fixing Indoor Air Quality Problems
From the Publisher:
We’ve all heard of Sick Building Syndrome - the mysterious symptoms brought on by indoor air quality (IAQ) problems. In some instances the IAQ problems are easily identified and corrected (such as a broken or slipped belt in the make-up air unit). However, in most cases, IAQ problems and solutions are much more complex. In this issue of TAB Journal... (more...)




AABC Tab Journal winter 1998 Issue
Troubleshooting HVAC Systems
From the Publisher:
This issue of TAB Journal features the topic of Troubleshooting HVAC Systems. Just about every TAB technician who has ever worked in the field will readily tell you that actual field conditions almost always vary from the original design criteria and no job is without its problems. This issue contains several “case study” type articles which focus ... (more...)




AABC Tab Journal summer 1998 Issue
Working for the Building Owner
From the Publisher:
Profound changes are taking place in the TAB market, and perhaps none is more significant than the evolving relationship between TAB agencies and building owners. Increasingly, owners are using TAB agencies as their advocates on projects to ensure that their project is “done right the first time.” Consequently, they are hiring TAB firms directly an... (more...)




AABC Tab Journal spring 1998 Issue
Hydronic Balancing
From the Publisher:
A primary objective of TAB Journal is to inform, educate, and foster a greater understanding of the test and balance process. This issue of TAB Journal fulfills that mission by bringing you some excellent articles that shed new light on what can be done to ensure optimum system performance.

Articles by Paul Steiskal, Alexander Spielman, P.E., an... (more...)




AABC Tab Journal fall 1998 Issue
Adjusting for the Environment
From the Publisher:
In this issue of TAB Journal, entitled Adjusting for the Environment, we will explore how environmental conditions must be taken into account to avoid indoor air quality problems and building failures. Unfortunately, many building designers and contractors think that following established building codes and repeating strategies used successfully on... (more...)




AABC Tab Journal winter 1997 Issue
standardized procedures for testing & balancing
From the Publisher:
While exhibiting at the ASHRAE Show in Philadelphia this year, we were encouraged by the number of consulting engineers who stopped by our booth to compliment AABC on its flagship publication, TAB Journal. One person said it was the best publication he had ever seen.

Part of the reason for TAB Journal’s appeal is that countless numbers of situat... (more...)




AABC Tab Journal summer 1997 Issue
vibration testing and analysis
From the Publisher:
This issue of the TAB Journal focuses on the topic of vibration testing and analysis. Though we understand that some of our readers perform more vibration testing than others, we also recognize that the scope of responsibilities TAB professionals are expected to fulfill is continuing to expand as consumers increasingly demand trouble free HVAC syst... (more...)




AABC Tab Journal spring 1997 Issue
Hydronic Balancing
From the Publisher:
For many of our readers, hydronic balancing remains a mystery. Helping to clear up misunderstandings and questions on water balancing is our team of contributors in this issue.

John Papazian offers practical advice for specifiers of hydronic flow balancing valves and Don Butler shares his experience with a new state-of-the-art flowmeter. Sutton ... (more...)




AABC Tab Journal fall 1997 Issue
Building Commissioning
From the Publisher:
We are pleased to feature Building Commissioning in this issue of TAB Journal. As you know, building commissioning goes well beyond the scope of testing and balancing, and even system commissioning. All three processes are related however, because they share many commonalities.
Building commissioning incorporates the same functions required for sy... (more...)




AABC Tab Journal summer 1996 Issue
The Certified Independent Test and Balance Agency
From the Publisher:
The primary purpose of the TAB Journal is to disseminate technical information to the engineering community. By imparting information based on actual field experience, it is hoped that engineers, facility managers, and building owners will gain a better understanding of the test and balance process.

In past issues of the Journal, we have deliber... (more...)




AABC Tab Journal spring 1996 Issue
Building Pressurization
From the Publisher:
This issue of TAB Journal features three articles that relate to building pressurization. Mike Smith reports on how his company utilized a “depressurization method” to determine the air tightness of a building envelope. The purpose of this exercise was to prevent unpleasant odors from escaping into the surrounding environment.

In another case hi... (more...)