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Bluegrass Chapter of ASHRAE April 2012 Newsletter

President’s Letter - April

by Kevin Davies, 2011-12 Chapter President

Our year of Programs is coming to an end this month.  We are working on a plant tour involving refrigeration for May, stay tuned for details.  This month we have another Distinguished Lecturer (DL) coming to Lexington.  The topic is Overcoming Objections to Energy Efficiency Investments, presented by Hank Jackson.  The ASHRAE Distinguished Lecturer program provides ASHRAE chapters, student branches, and other organizations with lecturers equipped to speak on relevant subjects of interest to ASHRAE members and guests. The distinguished lecturer program is supervised by the Chapter Technology Transfer Committee.  This is our last DL for the  year, so please make a point to attend this meeting.  Please check out our meeting announcement to find out more.   You can pay at the door: $15 for members, $20 for non-members, and $5 for students.

We are in the process of making nominations for next year’s Bluegrass Chapter’s Officers and Committee Chairs.  If you or someone you know would be interested in becoming more involved with the local chapter, please let me know.  My contact information is below.

As always, thank you for the support of your local Bluegrass Chapter.  If you have any general questions, comments, or concerns as we move forward this year, do not hesitate to call me directly at 859-225-2081, or e-mail me at kdavies@trane.com.

-Kevin Davies


 

 ASHRAE March Meeting

Friday, April 20th

“Overcoming Objections to Energy Efficiency Investments”

We will meet at the Campbell House for a hot lunch and presentation, beginning at 12:00.  The cost will be $15 per member, $20 per non-member, and $5 for students.

This workshop explores methods that can be used by engineers, contractors, and vendors to overcome the objections of business owners toward investments in energy efficient products and services. The session will emphasize financial considerations that go beyond the traditional “first cost” and “simple payback” method. Attendees will learn how to use return on investment, life cycle cost analysis, capitalization rate, and tax effects to help business owners appreciate the true long-term financial benefits of energy efficiency. In addition, the workshop will explore the underlying psychology of financial decision-making and the thought processes that give rise to common objections to investments.

Presented by:

HANK JACKSON, P.E.

ETech Solutions

Weaverville, NC

Hank Jackson, owner and principal of ETech Solutions, has provided technical training and consulting services in the energy efficiency marketplace since 1979. He holds a Bachelor of Aerospace Engineering (1974) and a Master of Science in Aerospace Engineering (1978), both from the Georgia Institute of Technology, Atlanta, Georgia.

Originally registered in the state of Georgia, Mr. Jackson currently practices in North Carolina.

Mr. Jackson served as director of the Georgia Industrial Energy Extension Service program at the Georgia Institute of Technology prior to initiating his private consulting engineering practice. During a five year hiatus from consulting (1999 – 2005), he was department chair of Mechanical Engineering Technology at Asheville-Buncombe

Technical Community College in Asheville, North Carolina.

During his three decade long career in the energy field, Mr. Jackson has conducted over 500 energy audits of commercial, institutional, and industrial facilities for utility companies as well as for private owners. He specializes in custom design of energy-efficient building systems for commercial and industrial clients. As an energy management consultant, he has provided training for numerous public electric and natural gas utilities, including

Georgia Power, Midwest Gas, Pacific Gas and Electric, Southern California Edison, Florida Power and Light, and Niagara Mohawk Power. He has also traveled abroad to Jamaica and Central America to conduct energy audits and to provide technical training, including a lecture series in Spanish. Mr. Jackson is a member of ASHRAE and has been an ASHRAE Distinguished Lecturer since 2008.

Location details are available at http://www.bluegrassashrae.org/events-schedule/meeting-locations/campbell-house-lexington/.

 The Campbell House is located on the corner of S. Broadway and Mason Headley Rd. See map below:

Campbell House Location Map


 

ASHRAE Society Updates Newsletter Sprint 2012

Icon AshraeSocietyUpdatesSpring2012.pdf (325.7 KB)

 


 

ASHRAE HVAC Design Workshops

HVAC Design:  Level I -- Essentials

ASHRAE created the HVAC Design: Level I — Essentials workshop to provide intensive, practical training for HVAC designers and others involved in the delivery of HVAC services. Developed by industry-leading professionals, this workshop presents fundamental, and technical information related to HVAC design in commercial buildings.

In three days, you will gain practical skills and knowledge in designing, installing and maintaining HVAC systems that can be put to immediate use. The workshop provides real-world examples of HVAC systems, including calculations of heating and cooling loads, ventilation and diffuser selection, using the newly renovated ASHRAE Headquarters building as a living lab. Engineered drawings of the Headquarters renovations will be incorporated to expose you to plan reading and graphical understanding of system design.

Workshop Topics:

HHVAC Design: Level I — Essentials

 

When:May 21-23, 2012
Where:
ASHRAE Headquarters, Foundation Learning Center, Atlanta, GA
Cost: $1,239 (ASHRAE Member: $989)

Who Should Attend:

  • Engineers who are new to the HVAC industry
  • Facilities managers who work in new construction or major renovation projects
  • Technicians who would like to gain design knowledge
REGISTER

 

 

HVAC Design Level II -- Applications

ASHRAE's HVAC Design: Level II — Applications workshop provides participants with advanced instruction on HVAC system designs for experienced HVAC designers or those who completed the HVAC Design: Level I — Essentials workshop.

Developed by industry-leading professionals, the workshop provides participants with advanced level information about designing, installing and maintaining HVAC systems that can be put to immediate use. Participants will gain an in-depth look into Standards 55, 62.1, 90.1, 189.1 and the Advanced Energy Design Guides, as well as a range of other HVAC topics.

Workshop Topics:

Energy modeling/Life Cycle Cost

HHVAC Design: Level II — Applications

When:May 24-25, 2012
Where:
ASHRAE Headquarters, Foundation Learning Center, Atlanta, GA
Cost: $829 (ASHRAE Member: $679)

 

Who Should Attend:

  • Engineers who have HVAC design experience
  • Participants who attended HVAC Design: Level I — Essentials
  • Architects who want an in-depth understanding of HVAC design
  • Construction project managers who work with mechanical systems

REGISTER

 

 


 

 


 

Official Announcements From ASHRAE Headquarters

 


Free ASHRAE Webcast Highlights Dedicated Outdoor Air Systems: Registration Opens March 19

ATLANTA – While conventional HVAC systems mix fresh outdoor air with the return air in one unit, dedicated outdoor air systems use standard equipment to condition fresh air separately before it enters the building. This break from tradition is quickly becoming a proven tool for utilizing energy more efficiently, and can provide a cost savings to the consumer. 

Registration for ASHRAE’s upcoming webcast, “Dedicated Outdoor Air Systems – A Path to Balancing Energy and IEQ,” opens today, March 19. The webcast focuses on the departure from conventional HVAC systems and takes place April 19, 2012, from 1– 4 p.m. EDT.

“Based on growing popularity the chosen topic for the 2012 webcast is Dedicated Outdoor Air Systems (DOAS),” Andy Cochrane, chair of the ASHRAE committee overseeing the Webcast, said. “This webcast will describe the role of DOAS in the overall HVAC system, and discuss various DOAS equipment configurations and applications.  From understanding DOAS system characteristics, to avoiding pitfalls and challenges unique to DOAS applications, the webcast is a must see for discerning owners and designers alike.”

The webcast presenters are Tim McGinn, P.E., principal, DIALOG; Stanley Mumma, Ph.D., P.E., Professor Emeritus of Architectural Engineering, Pennsylvania State University; and John Murphy, applications engineer, Trane.

Three Professional Development Hours (PDHs) or three AIA Learning Units (LUs) are available.

The live program will be archived online until May 3, 2012, for viewers who are unable to participate on April 19. Registration is required to view the archived program. A DVD of the webcast will also be available for purchase.

To register, or for more information, visit www.ashrae.org/doaswebcast or call 678-539-1200 or email ashrae-webcast@ashrae.org.

 


 

Operation and Maintenance Guideline from ASHRAE Now Available

ATLANTA – A newly published guideline from ASHRAE gives facility managers and building operating staff a strong foundation on which to improve performance of all buildings.

ASHRAE Guideline 32-2012, Sustainable, High Performance Operation and Maintenance, provides guidance on optimizing operation and maintenance of buildings to achieve the lowest economic and environmental life cycle cost without sacrificing safety or functionality.

“The guideline will assist those who operate and maintain buildings to achieve high performance: safe, productive indoor environments; low economic life cycle cost; low energy, water and resource use; and low impacts on the environment,” Michael Bobker, chair of the Guideline 32 committee. “The guideline applies to all buildings, not just new ones. We believe that all buildings can move toward sustainable high performance in their operations and maintenance.”

The guideline applies to the ongoing operational practices for buildings and systems with respect to energy efficiency, occupant comfort, indoor air quality, health and safety. These systems include the building envelope, HVAC&R, plumbing, complementary energy systems, and utilities and electrical systems.

“Modern air conditioning systems protect the health, comfort and productivity of building occupants,” ASHRAE Presidential Member Bill Harrison, whose presidential theme focused on the need for operation and maintenance, said. “Unfortunately, they consume a lot of energy while providing these benefits.  When these systems are not operated properly, the energy they use can increase by 50 percent or more.  ASHRAE Guideline 32 helps building owners and managers evaluate and eliminate the wasted energy caused by poor operating procedures.  The elimination of non-value producing energy helps protect our environment while saving the building owner money.  Guideline 32 provides a no regrets path to improving energy efficiency in our buildings.”  

The guideline contains recommendations for three levels of building oversight: senior managers, facility managers and technicians.  Checklists for tracking that appropriate steps are being taken to move toward high-performance operation and maintenance are included for each.

Among the items on the checklist are:

•     Technicians

o     Develop an HVAC system maintenance program using ANSI/ASHRAE/ACCA Standard 180, Standard Practice for Inspection and Maintenance of Commercial Building HVAC Systems

o     Maintain access and code required clearances to all HVAC and electrical equipment

•     Facility managers

o     Develop and implement protocols for good facility/system documentation

o     Establish performance baselines and targets. Institute a system for regular reporting and evaluation.

•     Senior managers

o     Assess buildings, workforce, practices, management tools and systems

o     Measure and report on building performance as part of regular business analytics

The cost of ASHRAE Guideline 32, Sustainable, High-Performance Operations and Maintenance, is $69 ($59, ASHRAE members).  To order, contact ASHRAE Customer Contact Center at 1-800-527-4723 (United States and Canada) or 404-636-8400 (worldwide), fax 404-321-5478, or visit www.ashrae.org/bookstore

 


 

Public Input Sought on Alternative to ASHRAE Standard 62.1 Ventilation Rate Procedure Proposed

ATLANTA – A proposed change to the ventilation rate procedure in ASHRAE’s indoor air quality standard is open for review after changes were made based on public input last year.

ANSI/ASHRAE Standard 62.1-2010, Ventilation for Acceptable Indoor Air Quality, sets minimum ventilation rates and other requirements for commercial and institutional buildings.

The ventilation rate procedure provides a prescriptive method for determining minimum ventilation requirements. It accounts for pollutant sources from both the building and its occupants, and allows the designer to account for the efficiency of different ventilation systems when delivering outdoor air to the breathing zone.

Proposed addendum f was first released for public comment in September 2011 after some users of Standard 62.1 indicated the ventilation rate procedure was “too complicated,” according to Standard 62.1 chair Roger Hedrick. He said the 62.1 committee agreed that application of the multiple-zone recirculating system equations described in Section 6.2.5 and Appendix A can be complex.

“When designing multiple zone recirculating ventilation systems, Table 6-3 provides a default value of Ventilation Efficiency (Ev) based on the largest value of the zone primary (Zp) outdoor air fraction, for all the zones served by the system,” he said. “However, if Max (Zp) exceeds 0.55, then Appendix A must be used to design the system outdoor airflow.  Addendum f attempts to simplify the design process by providing a simplified default approach for cases with Max (Zp) greater than 0.55.”

The earlier review draft set the default value of the zone primary outdoor air fraction based on a default minimum zone primary airflow set as 30 percent of the zone design primary airflow.

“The public review comments pointed out that this formulation did not work mathematically under certain conditions,” Hedrick said. “This new public review version instead simply allows Ev to be set to 0.6, unless a higher value is provided by Table 6-3 or by using Appendix A.  Use of a relatively low value of Ev will result in higher outdoor airflow rates, but using the default will simplify the system design process.”

Also open for review is addendum i, which would add limits for low humidity. Recent studies have shown that excessively low humidity may result in unacceptable indoor air quality. The Standard 62.1 committee is interested in the appropriateness of the relative humidity limit and the climate zones where the requirement applies.  The addendum is open for an advisory public review, meaning comments received allow for constructive input and need not be resolved or formally acted on by the project committee.

In addition to addenda f and i, three additional addenda are open for public review from March 23 until April 22. For more information, visit www.ashrae.org/publicreviews. They are:

•     Addendum h –Table 6-1, includes ventilation rates for “Sports arena (play area)” and “Gym, stadium (play area).” Both space types have ventilation rates based on floor area only, the per person rate is zero. Users of the standard have expressed interest in applying demand controlled ventilation to these space types, which is effectively prohibited by the lack of a per person component to the ventilation rate. This proposed addendum replaces both of these space types with “Gym, Sports Arena (play area)”, with Rp = 20 cfm/person and Ra = 0.06 cfm/ft² and assigns this new space type with an air class of 2 rather than class 1 from the first publication public review version. 

•     Addendum k adds an exception to the recirculation limits on Class 4 exhaust airstreams from laboratory hoods which would allow use of heat wheel energy recovery in some cases.  The exception defines several criteria which the airstream must meet before such heat recovery can be used, and the heat recovery system must limit recirculation airflow to less than 0.5 percent of the outdoor air intake flow.

•     Addendum l adds a refrigerated warehouse space type to Table 6-1, providing revised ventilation rates for these spaces. These rates include a “People Outdoor Air Rate, Rp” which will require ventilation during periods of expected occupancy, but do not include an “Area Outdoor Air Rate, Ra” which will allow the ventilation rate to be zero for refrigerated warehouses with no occupants.

In addition, addendum j is open for public review from March 23 until May 7. The proposed addendum would add requirements to the Indoor Air Quality Procedure (IAQP) for determining minimum ventilation rates which require consideration of the combined effects of multiple contaminants of concern on individual organ systems. This “additive” effect is already implicit in the Ventilation Rate Procedure. This proposed change is intended to improve the IAQP by requiring consideration of these additive effects that are well established in the literature for many organ systems, according to Hedrick.

 


 

Standard 189.1 Deemed Compliance Option for IGCC; ICC Announces Availability of New Green Code

ATLANTA – The building industry now has greater flexibility in the design of high performance buildings through a change impacting application of the green building standard from ASHRAE, the U.S. Green Building Council (USGBC) and the Illuminating Engineering Society (IES) included in the International Green Construction Code (IgCC).

ANSI/ASHRAE/USGBC/IES Standard 189.1-2011, Standard for the Design of High-Performance, Green Buildings Except Low-Rise Residential Buildings, provides a green building foundation for those who strive to design, build and operate high performance buildings. It covers key topic areas of site sustainability, water-use efficiency, energy ef¬ficiency, indoor environmental quality and the building’s impact on the atmosphere, materials and resources. 

Standard 189.1 now serves as a compliance option with the newly published IgCC, developed by the International Code Council (ICC) and endorsed by cooperating sponsors ASTM International and the American Institute of Architects.  The change allows permit applicants – rather than the authorities having jurisdiction – the option to use Standard 189.1 as the path of compliance. In earlier versions of the IgCC, Standard 189.1 was deemed a “jurisdictional compliance option,” meaning code jurisdictions had to choose between the provisions of Standard 189.1 and the IgCC in determining which compliance path to take.

“ASHRAE is pleased to see this change take place, allowing building designers, owners and contractors to choose to design to Standard 189.1, instead of the choice being made solely by the jurisdiction setting the code,” Ron Jarnagin, ASHRAE president, said. “With today’s release of the 2012 IgCC, jurisdictions now have a viable green code at their disposal. Standard 189.1 stands on equal footing within the IgCC to provide a more complete set of options for governments and project teams alike.”

“IES also fully supports the change that removes the restriction,” Rita Harrold, director of technology, said. “The resulting freedom of choice will benefit all segments of the construction industry involved in developing design criteria for high performance buildings.”  

The 2012 IgCC serves as a new model code for constructing and remodeling residential and commercial structures and is expected to increase sustainability, cost savings and job growth while providing direction for safe and sustainable building design and construction, according to the International Code Council.

“The IgCC adds to the strong foundation of guidance to move the industry forward in regards to high performance buildings,” Jarnagin said. “The document brings together the code expertise of ICC with technical expertise of ASHRAE to create a comprehensive green building code to improve overall performance of buildings, including reduction of energy consumption.”

“Today, the Code Council and its cooperating sponsors announce a new green construction code that will make a contribution toward healthier, lower impact and more sustainable building practices,” Richard P. Weiland, CEO of the ICC, said.  “The International Green Construction Code published today was developed during the last three years with input from code and construction industry professionals, environmental organizations, policy makers and the public. Our community was diligent in developing a code that is not only adoptable, usable and enforceable, but also flexible and adaptable. We expect this new model code, like the family of other ICC Codes, to be adopted across the country and used globally.”

Early versions of the IgCC released during the development of the code already have been put into use by states and jurisdictions demonstrating the need and demand for safe and sustainable construction.

The IgCC was developed at public hearings with input from experts in code development and enforcement, architecture, engineering, building science, environmental advocacy, government, business, academia and the public.

The IgCC is the first model code to include sustainability measures for an entire construction project and its site – from design, through construction, certificate of occupancy and beyond. It establishes minimum green requirements for buildings and complements voluntary rating systems.  The IgCC offers flexibility to jurisdictions which adopt the code by establishing several levels of compliance, starting with the core provisions of the code, and then offering “jurisdictional requirement” options that can be customized to fit the needs of a local community.  A jurisdiction can also require higher performance through the use of “project electives” provisions.

The code acts as an overlay to the existing set of International Codes, including provisions of the International Energy Conservation Code and ICC-700, the National Green Building Standard, and incorporates ASHRAE Standard 189.1 as an alternate path to compliance. The IgCC provides model code language that establishes a baseline for new and existing buildings related to energy conservation, water efficiency, site impacts, building waste, material resource efficiency and other sustainability measures. The IgCC will be updated alongside the other model codes developed through the Code Council’s open, transparent and consensus-based code development process.

 


 

Proposed Changes Related to Combustion Safety, Infiltration to ASHRAE Residential IAQ Standard

ATLANTA – Public comment is being sought on proposed changes to ASHRAE’s residential indoor air quality standard regarding combustion safety in existing homes and default infiltration in new construction.

ANSI/ASHRAE Standard 62.2-2010, Ventilation and Acceptable Indoor Air Quality in Low-Rise Residential Buildings, is the only nationally recognized indoor air quality standard developed solely for residences.  It defines the roles of and minimum requirements for mechanical and natural ventilation systems and the building envelope intended to provide acceptable indoor air quality in low-rise residential buildings.

Five proposed addenda to Standard 62.2-2010 currently are open for public review. For more information, visit www.ashrae.org/publicreviews.

Proposed addendum p applies primarily to existing homes. The standard as written addresses combustion safety mainly in a prescriptive manner, with the assumptions that went into determining the requirements based on typical construction for new homes.  Given the characteristics in older homes, especially leakage levels, following these requirements precisely often could have resulted in requiring replacement of equipment that in practice works fine. 

“As such, addendum p is a big deal for the existing home market because it provides a performance path for combustion safety, thereby making the standard much easier to adopt in its entirety in that sector,” Paul Francisco, vice chair of the Standard 62.2 committee, said. “The proposed change in the language prevents the standard from being perceived as requiring full updating to code in order to comply, including possible replacement of all combustion appliances.”

Also open for public comment is addendum r, which has a larger impact on new construction. Historically, Standard 62.2 has allowed all homes to have a default infiltration credit that can be taken without any knowledge about how leaky the house really is, according to Francisco.  Especially as houses have gotten tighter, the assumed infiltration may be substantially higher than actually exists in many homes, according to Francisco.

“This addendum removes the default credit, and allows infiltration to be credited only if infiltration is measured,” he said. “This has the effect in new construction of requiring sufficient mechanical ventilation to provide the entire intended air exchange, thereby ensuring that the intended overall rates are achieved, or that a test is done to measure infiltration.  Without that test, the installed mechanical ventilation will increase.  With the test there will be little change in installed mechanical ventilation rates.”

Addenda p and r are open for public review from March 23 until May 7. 

Three additional addenda are open for public review from March 23 until April 22. For more information, visit www.ashrae.org/publicreviews. They are:

•     Addendum a would remove Method A of ASTM E1554 as an option for the duct tightness testing in the newly proposed Section A4.1.

•     Addendum o clarifies that a system must be operated in order to achieve the stated purpose of the standard to define minimum requirements for acceptable indoor air quality. Currently the standard is being interpreted by some to say that a system could be installed and turned off and still be in compliance.

•     Addendum q - Historically, local exhaust fans have been permitted to serve the dual function of providing whole-house ventilation and local exhaust. When serving as dual-duty fans, the whole-house rate and the local exhaust rate have not been required to be additive. This proposed change is needed to clarify that the whole building ventilation rate can be credited towards the local exhaust rate, and that the rates are not required to be additive, according to Francisco.

 


 

ASHRAE Funds 22 Undergraduate Projects; Creation of “Shack” to Study Energy Efficiency

ATLANTA – Design and construction of a “shack” to demonstrate renewable and HVAC technologies, including solar thermal heating, photovoltaic power generation, high efficiency and green insulation options and wood pellet stoves, is being developed by undergraduate students in an ASHRAE Undergraduate Senior Project Grant.

This year, 22 schools from around the world were awarded grants. The grants, totaling some $100,000, are awarded by ASHRAE to colleges and universities worldwide to promote the study and teaching of HVAC&R, encouraging senior undergraduate students to pursue related careers.

The grants are used to design and construct projects, such as Minnesota State University – Mankato’s proposal to design and construct a renewable and HVAC technologies test-bed “shack.”

“In the spirit of the Solar Decathlon and the movement toward ‘tiny homes,’ this project aims to design and build a structure of some 24 square feet that can be used to demonstrate renewable and HVAC technologies,”  Patrick Tebbe, faculty advisor at Minnesota State University –

Mankato, said. “The ‘shack’ will be designed to accommodate a range of technologies for demonstration and testing in the classroom and research projects.”

Given the university is located in the heart of ice fishing territory, the shack design will be loosely based on typical ice fishing huts or shacks. The inclusion of ice fishing creates an immediate engagement for both students and the public, according to Tebbe. He said the students hope this will generate interest in energy efficiency and sustainable design topics beyond upper level engineering courses. The shack also will be portable (most likely constructed on a sled) so it could be moved to test sites, high schools, open houses, etc., allowing for greater demonstration. It also could be adapted for summer applications.

The project will incorporate a flat plate solar collector to supplement interior heating, testing of various wood and pellet fueled stoves and weather stations from previous solar research. The construction materials likely will be supplemented with recycled and reused materials found locally.

Other ASHRAE grant recipients are:

•     Purdue University – Calumet (Hammond, Ind.)  – was deemed the top grant award winner for its project, Refrigeration and Heat Pump Teaching System. Two students from the university are invited to present their project as part of the Student Program at the 2013 ASHRAE Winter Conference in Dallas

•     American University of Beirut (Lebanon) – Test and Optimize a Zonal Air Distribution System to Inactivate Airborne Microorganisms using Upper-Room Ultraviolet Germicidal Irradiation

•     Carleton University (Ottawa, Ontario, Canada) – Measurement of Indoor Air/Environmental Quality in Arctic Housing and University Campus Buildings

•     North Carolina A& T State University (Greensboro, N.C.) – Impacts of Air Filters on Energy Consumption in Typical HVAC Systems

•     Sinclair Community College (Dayton, Ohio) – Primary – Secondary Hot Water and Chilled Water System Design and Installation

•     Transylvania University of Brasov – Testing Laboratory Using Renewable Sources for Radiant vs. Convective Heating and Cooling

•     Universidad Pontificia Bolivariana (Colombia, South America) – Clima Emulator Using Chilled Water HVAC System as Energy Sourced

•     Universiti Teknologi Malaysia (Johor) – Effect of Ejector Geometric Parameter on the Unitary Air Conditioner as an Expansion Device

•     University of Alaska Anchorage – Air Duct Simulator

•     University of Alberta (Edmonton, Canada)  – Undergraduate Boiler Performance Laboratory

•     University of Urbana-Champaign (Illinois) – Design and Construction of an Energy Recovery Ventilation Demonstration Unit Using Heat Pump for Laboratory Use

•     University of Indonesia (Kampus UI Depok) – Development of Smoke Venting Demonstration Apparatus

•     University of Lagos (Nigeria)  – Design and Fabrication of a Biogas-Powered Water Refrigeration Heating System

•     University of Maryland (College Park) – Energy Consumption Analysis and Optimum Cooling Solutions for a Medium Size Data Center

•     University of Minnesota (Minneapolis) – Desiccant Dehumidification Test Facility

•     University of Windsor (Ontario, Canada) – Underwater Compressed Air Energy Storage System Model

•     Western Kentucky University (Bowling Green) – Air Flow Visualization System Using Infrared Thermography

•     Wright State University (Dayton, Ohio) – Heat Powered Demonstration Chiller

•     California State Polytechnic University (Pomona) – Moisture Control for Carbon Dioxide Sensor Applied in a Residential Furnace

•     Jimei University (Xiamen, China)  – Design and Construction of an Experimental Facility for Fresh Air Ventilator with Exhaust Air Heat Recovery Systems

•     University of Algarve (Faro, Portugal) – Development of Sensors for HVAC Systems Control Based in the Human Thermal-Physiology

For more information on the grant program, visit www.ashrae.org/grants.  ASHRAE will begin accepting applications for the 2013-14 program in August 2012, with a December 2012 final deadline.

 


 

Things Heat Up for ASHRAE: Annual Conference to be Held in San Antonio, Texas

ATLANTA–In a city with deep historical roots, ASHRAE will convene in San Antonio, Texas, to not only “remember the Alamo,” but look toward a greener future. The 2012 ASHRAE Annual Conference focuses on everything from the basics of HVAC maintenance to integrated building design.

As members work together to shape tomorrow’s built environment, the influences of San Antonio’s past—Old Mexico, the Wild West and the Deep South—serve as a reminder of the Society’s significant role in the city’s hot and dusty past, as well as the Society’s position as part of a future of sustainability.

Join ASHRAE in this historic city; registration is now open for ASHRAE’s 2012 Annual Conference, June 23-27.

The Technical Program features focused tracks on Integrated Energy Systems, Building Modeling Applications, Refrigeration Applications and Indoor Environmental Applications and general tracks addressing HVAC&R Systems and Equipment and Fundamentals and Applications.

“Interoperability of Smart Building Systems and Smart Grid” is the topic of the Technical Plenary, presented by Lawrence Jones, Ph.D., Alstom Grid Inc., Washington, D.C., on Sunday, June 24.

Also, an Integrated Building Controls “mini-conference” addresses the extension of building controls from just mechanical systems to lighting, water consumption, security and other building systems, working toward the goal of “intelligent buildings.” Sessions related to this topic are scheduled on Sunday and Monday.

The technical program begins Sunday, June 24, and ends Wednesday, June 27, with all sessions at the Henry B. Gonzalez Convention Center. Complete program details are available at www.ashrae.org/sanantonio.  The entire technical program is approved for PDHs, and the majority of sessions are also approved for NY PDHs, AIA LUs and LEED AP credits.

The ASHRAE Learning Institute offers eight instructor-led training opportunities. Participants may choose from two full-day and six half-day courses to stay current on HVAC trends, including a new offering on understanding ASHRAE Standard 189.1-2011, Standard for the Design of High-Performance, Green Buildings.

The Conference keynote speaker is Ryan Dorsey, the Gen Y Guy®. Dorsey will focus on “Crossing the Generational Divide,” explaining how four generations are currently working side-by-side in the workplace and the strengths, weaknesses and different perspectives of each. The Plenary session takes place Saturday, June 23 at Grand Hyatt San Antonio.

ASHRAE technical tours offer an inside view of how technology developed by members is practically applied in building environments. Tours at the Annual Conference include the SAWS Chiller Plant and the Blue Wing Solar Farm.

The ASHRAE Annual Conference takes place June 23-27. Register before April 20 for early bird rates. The Grand Hyatt San Antonio will serve as the headquarters hotel. Visit www.ashrae.org/sanantonio for more information.

 


 

Changes Related to Data Centers, Lighting, Space Heating Energy Source Proposed for ASHRAE/IES Energy Standard

ATLANTA – A proposed change to the ASHRAE/IES energy standard regarding data centers recognizes the role that system efficiencies – vs. only equipment – can play in reducing energy consumption.

“This change regarding data centers represents a building block as we work to build on the foundation of energy conservation in the standard,” Drake Erbe, 90.1 vice chair, said. “We recognize that equipment used in buildings is reaching maximum capabilities in energy efficiency. We now must examine the role that system efficiencies play in saving energy. Inclusion of data centers in the standard was a step in that direction.”

With publication of the 2010 standard, ANSI/ASHRAE/IES Standard 90.1-2010, Energy Standard for Buildings Except Low-Rise Residential Buildings, data centers were included within its scope for the first time. Most data centers were required to have economizers, but some in the data center industry disagreed with the requirement, maintaining that economizers are subject to static discharge due to low humidity, gaseous contaminants and reliability.

Erbe said the 90.1 committee worked with the data center industry and ASHRAE’s technical committee on mission control facilities, technology spaces and electronic equipment to develop an alternative path known as power usage effectiveness (PUE) to allow use of developing technologies for which there are no energy modeling tools available. The path is addressed in proposed addendum ap, which is currently open for public comment.

“This is a significant issue to design professionals in that without a simulation program available to model these systems they have to receive approval from the authority having jurisdiction for an exceptional calculation method, which, in most cases, is beyond the jurisdiction’s knowledge level,” Erbe said. “The PUE values were developed using water cooled chillers with water size economizers and air cooled chillers with air side economizers, using prescriptive requirements currently in the standard. The PUE values for all climate zones are able to be achieved by both of these conventional system types.”

In total, 15 proposed addenda to Standard 90.1 are open for public review. For more information, visit www.ashrae.org/publicreviews.

Also open for public comment is addendum ao, which offers an alternative compliance path for lighting requirements aimed at the large number of smaller, simpler buildings that make up a majority of new construction and retrofit activity, according to Eric Richman, chair of the standard’s lighting subcommittee.  It provides a less complicated set of requirements that should be easier to apply to these types of facilities, and also includes more stringent Lighting Power Density (LPD) limits that may restrict the application of more lavish space lighting designs not commonly found in these facilities. This compliance path will replace the current whole building LPD table and only applies to a subset of building types that encompass many of the smaller, simpler buildings.  The use of this method is optional and the full space-by-space method used by most designers for larger more complex facilities still remains for application to any building type, Richman said.

In addition, addendum al is open for public review.  Users of Appendix G of the standard have noted that the baseline energy budget is different depending on whether electricity or natural gas is chosen for either space heating and water heating, according to Don Brundage, a member of the Energy Cost Budget subcommittee.  In some cases, this can provide greater energy savings estimates from Appendix G when using one fuel versus another, and provides a strong incentive to specify the fuel that will provide the greatest energy savings using Appendix G.

“Proposed addendum al would make the baseline building energy budget (the minimum code baseline for determining energy savings) the same regardless of the choice of fuel in the proposed building, eliminating this bias,” Brundage said. “This is done by setting rules to determine the fuel to be used in the baseline building for space and water heating. These rules are based on climate zones for space heating and type of building usage for water heating.   This would make energy savings estimates using Appendix G more consistent and fair than under the current version of the standard.”

In addition to addendum al, ao and ap, eight other addenda are open for public review from March 23 until May 7. They are addenda af, ag, ai, am, an, aq, ar and at.

Four addenda are open for public review from March 23 until April 22. They are addenda ad, ah, aj and as.

 


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