ASHRAE Journal - March 2013 - 44

operators to regularly test and/or monitor their systems. This
includes educating them on the beneﬁts of airside economizers and collaborating to develop ongoing economizer maintenance plans that the operators have the resources and ability to
execute. These concepts apply to new and existing buildings
alike.
For airside economizer systems, appropriate design and
construction is only part of delivering energy-efﬁcient performance. Ongoing maintenance is another, if not more important, component. As we, the HVAC and commissioning
community debate the merits of various airside economizer
control strategies when designing these systems, we need to
remember that it’s relatively common for these systems to fail,
regardless of what type of control strategy is used. Creating
processes to regularly monitor and maintain airside economizer systems, whether as part of a new construction commissioning process, EBCx process, or otherwise, can help ensure
that these systems actually perform over time according to the
intended control strategies.

References
1. California Energy Commissioning. 1978. Energy Conservation
Standards for New Nonresidential Buildings.

2. ANSI/ASHRAE/IESNA 90.1-1989, Energy Efﬁcient Design of
New Buildings Except Low-Rise Residential Buildings.
3. International Code Council. 2012. 2012 International Energy
Conservation Code.
4. ANSI/ASHRAE/IES Standard 90.1-2010, Energy Standard for
Buildings Except Low-Rise Residential Buildings.
5. Jacobs, P., et al. 2003. “Small HVAC Problems and Potential
Savings Reports.”
6. Building Commissioning Association. 2008. “Best Practices in
Commissioning Existing Buildings.”
7. PECI. 2009. “A Study on Energy Savings and Measure Cost Effectiveness of Existing Building Commissioning.”
8. Mills, E. 2009. “Building Commissioning: A Golden Opportunity
for Reducing Energy Costs and Greenhouse Gas Emissions.” Berkeley,
Calif.: Lawrence Berkeley National Laboratory.
9. Paciﬁc Gas and Electric Company. 2009. “Advanced Variable Air
Volume (VAV) System Design Guide.”
10. Taylor, S., C. Cheng. 2010. “Economizer high limit controls and
why enthalpy economizers don’t work.” ASHRAE Journal 52(11).
11. ASHRAE Guideline 16-2010, Selecting Outdoor, Return, and
Relief Dampers for Air-Side Economizer Systems.
12. PECI. 2007. “A Retrocommissioning Guide for Building Owners.”
13. PECI. 2008. “Functional Testing and Design Guides.” Accessed
9/13/12 at www.ftguide.org.

www.info.hotims.com/44630-24

44

ASHRAE Journal

March 2013

ASHRAE Journal - March 2013

Table of Contents for the Digital Edition of ASHRAE Journal - March 2013

ASHRAE Journal - March 2013
Contents
Commentary
Show Coverage
Meetings and Shows
Feature Articles
2013 ASHRAE Technology Awards
Commissioning Existing Airside Economizer Systems
How Indoor Environment Affects Performance
Thermally Active Floors: Part 3: Making it Work
Technology Award Case Studies:
Data Center Dilemma
Heat Recovery for School
Standing Columns
Data Centers
Refrigeration Applications
Emerging Technologies
IAQ Applications
Engineer's Notebook
Classified Advertising
Advertisers Index
ASHRAE Journal - March 2013 - Intro
ASHRAE Journal - March 2013 - ASHRAE Journal - March 2013
ASHRAE Journal - March 2013 - Cover2
ASHRAE Journal - March 2013 - 1
ASHRAE Journal - March 2013 - 2
ASHRAE Journal - March 2013 - Contents
ASHRAE Journal - March 2013 - Commentary
ASHRAE Journal - March 2013 - 5
ASHRAE Journal - March 2013 - Show Coverage
ASHRAE Journal - March 2013 - 7
ASHRAE Journal - March 2013 - 8
ASHRAE Journal - March 2013 - 9
ASHRAE Journal - March 2013 - 10
ASHRAE Journal - March 2013 - 11
ASHRAE Journal - March 2013 - 12
ASHRAE Journal - March 2013 - 13
ASHRAE Journal - March 2013 - Meetings and Shows
ASHRAE Journal - March 2013 - 15
ASHRAE Journal - March 2013 - 16
ASHRAE Journal - March 2013 - 17
ASHRAE Journal - March 2013 - 2013 ASHRAE Technology Awards
ASHRAE Journal - March 2013 - 19
ASHRAE Journal - March 2013 - 20
ASHRAE Journal - March 2013 - 21
ASHRAE Journal - March 2013 - 22
ASHRAE Journal - March 2013 - 23
ASHRAE Journal - March 2013 - 24
ASHRAE Journal - March 2013 - 25
ASHRAE Journal - March 2013 - 26
ASHRAE Journal - March 2013 - 27
ASHRAE Journal - March 2013 - 28
ASHRAE Journal - March 2013 - 29
ASHRAE Journal - March 2013 - 30
ASHRAE Journal - March 2013 - 31
ASHRAE Journal - March 2013 - 32
ASHRAE Journal - March 2013 - 33
ASHRAE Journal - March 2013 - Commissioning Existing Airside Economizer Systems
ASHRAE Journal - March 2013 - 35
ASHRAE Journal - March 2013 - 36
ASHRAE Journal - March 2013 - 37
ASHRAE Journal - March 2013 - 38
ASHRAE Journal - March 2013 - 39
ASHRAE Journal - March 2013 - 40
ASHRAE Journal - March 2013 - 41
ASHRAE Journal - March 2013 - 42
ASHRAE Journal - March 2013 - 43
ASHRAE Journal - March 2013 - 44
ASHRAE Journal - March 2013 - 45
ASHRAE Journal - March 2013 - How Indoor Environment Affects Performance
ASHRAE Journal - March 2013 - 47
ASHRAE Journal - March 2013 - 48
ASHRAE Journal - March 2013 - 49
ASHRAE Journal - March 2013 - 50
ASHRAE Journal - March 2013 - 51
ASHRAE Journal - March 2013 - 52
ASHRAE Journal - March 2013 - 53
ASHRAE Journal - March 2013 - Thermally Active Floors: Part 3: Making it Work
ASHRAE Journal - March 2013 - 55
ASHRAE Journal - March 2013 - 56
ASHRAE Journal - March 2013 - 57
ASHRAE Journal - March 2013 - 58
ASHRAE Journal - March 2013 - 59
ASHRAE Journal - March 2013 - 60
ASHRAE Journal - March 2013 - 61
ASHRAE Journal - March 2013 - Data Center Dilemma
ASHRAE Journal - March 2013 - 63
ASHRAE Journal - March 2013 - 64
ASHRAE Journal - March 2013 - 65
ASHRAE Journal - March 2013 - 66
ASHRAE Journal - March 2013 - 67
ASHRAE Journal - March 2013 - Heat Recovery for School
ASHRAE Journal - March 2013 - 69
ASHRAE Journal - March 2013 - 70
ASHRAE Journal - March 2013 - 71
ASHRAE Journal - March 2013 - 72
ASHRAE Journal - March 2013 - 73
ASHRAE Journal - March 2013 - Data Centers
ASHRAE Journal - March 2013 - 75
ASHRAE Journal - March 2013 - 76
ASHRAE Journal - March 2013 - 77
ASHRAE Journal - March 2013 - 78
ASHRAE Journal - March 2013 - Refrigeration Applications
ASHRAE Journal - March 2013 - Emerging Technologies
ASHRAE Journal - March 2013 - 81
ASHRAE Journal - March 2013 - 82
ASHRAE Journal - March 2013 - 83
ASHRAE Journal - March 2013 - IAQ Applications
ASHRAE Journal - March 2013 - 85
ASHRAE Journal - March 2013 - Engineer's Notebook
ASHRAE Journal - March 2013 - 87
ASHRAE Journal - March 2013 - 88
ASHRAE Journal - March 2013 - 89
ASHRAE Journal - March 2013 - 90
ASHRAE Journal - March 2013 - 91
ASHRAE Journal - March 2013 - 92
ASHRAE Journal - March 2013 - 93
ASHRAE Journal - March 2013 - 94
ASHRAE Journal - March 2013 - Classified Advertising
ASHRAE Journal - March 2013 - Advertisers Index
ASHRAE Journal - March 2013 - Cover3
ASHRAE Journal - March 2013 - Cover4
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