Energy Efficiency Guide
for
Existing Commercial Buildings:
Technical Implementation
Executive Summary Briefing
December 12, 2011
Bert Etheredge, ASHRAE
Lilas K. Pratt, ASHRAE
Dennis Landsberg, Lead Author
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Acknowledgements
Support from DOE is greatly appreciated
EEG-EB: Technical Implementation
George Jackins, Chair
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Development Steering Committee with 4 Partner
Organizations
PMC also includes BOMA and GSA
Cooperation with & Funding from DOE
Through Contract with PNNL
Oversight by Project Monitoring Committee
One Peer Review
Educational Guidance not a Standard
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Project Monitoring Committee
George Jackins(PNNL), Chair
Tom Watson, ASHRAE Representative
Ron Burton, BOMA Representative
Kinga Porst, GSA Representative
Rita Harrold, IES Representative
Brendan Owens, USGBC Representative
Adrienne Tholme, TC 7.6 Representative
Harry Misuriello, TC 7.6 Representative
Gordon Holness, Member at Large
Jim Bochat, Member at Large
Bruce Hunn, Member at Large
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EEG-EB
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Target Audience
Target market is building engineers and
facility managers with a working
knowledge of building systems.
Assumes higher level of technical
expertise than first guide.
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Scope
Achieve at least 30% savings using multiple
targets.
Includes commercial, high-rise, residential
buildings of any age or condition
Provide how to approaches that result in efficient and high quality spaces.
Provide technical guidance for upgrades, retrofits
and renovations.
Provide methods of determining payback energy
efficient measures including Life-cycle costing.
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Chapter Organization
Introduction
General Considerations
Measuring Energy Performance and Setting Goals
Understanding Energy Use and End-Use/System Energy
Selecting Energy Efficiency Measures
Refining Financial Analysis and Setting Priorities
Putting the Process Together
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1 Introduction
Energy Efficiency Process
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2 General Considerations
Leveraging building systems life cycle
Conservation potential
Property ownership types
Utility rate structures pricing signals Utility/government incentives
Small vs large buildings
Outside resources vs in-house staff
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3 Measuring Energy
Performance and Setting Goals
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3 Measuring Energy
Performance and Setting Goals
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3 Measuring Energy
Performance and Setting Goals
Improve building EUI by a percentage
Improve building EUI with respect to peer buildings
Meet current energy efficiency codes
Exceed current energy efficiency codes by a percentage
Non-energy goals such as reduced carbon footprint
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4 Understanding Energy Use
and End-Use/System Energy
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4 Understanding Energy Use
and End-Use/System Energy
Value of end-use data in evaluating system efficiency and targeting EEMs
Discussion of CBECS data
End-use measurement procedures
Measurement complexity vs cost
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4 Understanding Energy Use
and End-Use/System Energy
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4 Understanding Energy Use
and End-Use/System Energy
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5 Selecting Energy Efficiency
Measures
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5 Selecting Energy Efficiency
Measures
Utility/fuel supply
Operations
Building envelope
HVAC Equipment
HVAC Distribution
Water Heating
Lighting
Motors
Controls
Overall Performance
Considerations include:
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6 Refining Financial Analysis
and Setting Priorities Topics:
Simple payback period
Life cycle costing
Internal rate of return vs Minimum acceptable rate of return
Cost of conserved energy
Life expectancy of measures
Maintenance costs
Measure prioritization
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7 Putting the Process Together
Topics:
Full renovation decision
Managing process steps
Financing strategies
Factors influencing implementation timing
Defining and reporting success
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Distribution/Promotion
Distribution
Print 1,041
Digital 248
Promotion
Advertising on ASHRAE Website
News Release
Informative Bulletin to purchasers of related material.
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Availability
Both Guides Available on the ASHRAE
Website http://www.ashrae.org/publications/page/eeg2
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Questions & Answers
Bert Etheredge: [email protected]
Lilas Pratt: [email protected]
Dennis Landsberg: [email protected]
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