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ASHRAE Advanced Energy Design Guide for Small to Medium Office Buildings: 50% Energy Savings, 2011
- AEDG for Small to Medium Office Buildings [Go to Page]
- Contents [Go to Page]
- Acknowledgments
- Abbreviations and Acronyms
- Foreword: A Message for Building Owners and Developers
- Chapter 1 Introduction [Go to Page]
- Goal of this Guide
- Scope
- How to Use this Guide
- Energy Modeling Analysis
- Achieving 50% Energy Savings
- References
- Chapter 2 Integrated Design Process [Go to Page]
- Principles of Integrated Project Delivery (IPD)
- Using IPD to Maximize Energy Efficiency [Go to Page]
- Details by Project Phase
- References
- Chapter 3 Integrated Design Strategies [Go to Page]
- Introduction
- Overview of Design Influences
- Building and Site Design Features [Go to Page]
- Climate Features
- Building Features
- Energy Conservation Measures (ECMs) [Go to Page]
- Envelope
- Lighting
- Plug Loads
- Service Water Heating
- HVAC Systems
- HVAC Controls
- Quality Assurance
- Multidisciplinary Coordination for Energy Efficiency [Go to Page]
- Overview
- Multidisciplinary Recommendations
- Use of Energy Modeling as Design Guidance
- References
- Chapter 4 Design Strategies and Recommendations by Climate Zone [Go to Page]
- Introduction
- Climate-Related Design Strategies [Go to Page]
- Hot, Humid Climates (Miami, Houston, Atlanta)
- Hot, Dry Climates (Phoenix, Los Angeles, Las Vegas)
- Mild, Humid Climates (Baltimore)
- Mild, Dry Climates (Albuquerque)
- Marine Climates (San Francisco, Seattle)
- Cold, Dry Climates (Denver, Helena)
- Cold Climates (Chicago, Minneapolis)
- Climate Zone Recommendations [Go to Page]
- Zone 1
- Zone 2
- Zone 3
- Zone 4
- Zone 5
- Zone 6
- Zone 7
- Zone 8
- References
- Chapter 5 How to Implement Recommendations [Go to Page]
- Envelope [Go to Page]
- Opaque Envelope Components
- Vertical Fenestration
- Window Design Guidelines for Thermal Conditions
- Window Design Guidelines for Daylighting
- References
- Daylighting [Go to Page]
- General Recommendations
- References
- Electric Lighting [Go to Page]
- Interior Lighting
- Exterior Lighting
- References and Resources
- Plug Loads [Go to Page]
- Equipment and Control Guidelines
- References and Resources
- Service Water Heating [Go to Page]
- General Recommendations
- Resources
- HVAC Systems and Equipment [Go to Page]
- HVAC System Types
- HVAC System Considerations
- References and Resources
- Quality Assurance [Go to Page]
- Overview
- References and Resources
- Additional Bonus Savings [Go to Page]
- Daylighting—Toplighting
- Natural Ventilation
- Renewable Energy
- References
- Appendix A Envelope Thermal Performance Factors
- Appendix B International Climatic Zone Definitions [Go to Page]
- Definitions
- References
- Appendix C Commissioning Information and Examples [Go to Page]
- Commissioning Scope of Services [Go to Page]
- Introduction
- Systems
- Deliverables
- Schedule
- Commissioning Tasks
- Appendix D Early-Phase Energy Balancing Calculations [Go to Page]
- Perimeter Zone Optimization Method
- Reference
- Sidebars—Case Studies and Technical Examples [Go to Page]
- Chapter 2 Using Psychrometric Charts
- Chapter 3 Building Orientation Considerations [Go to Page]
- External Shading
- Additional Benefits of Daylighting
- Radiant Floor System
- CMTA Office Building—A Case Study
- The Terry Thomas—A Case Study
- Energy-Use Dashboards at ASHRAE Headquarters
- Total Community Options Corporate Headquarters—A Case Study
- Chapter 4 Bonus Savings
- Chapter 5 Daylight Zone Definitions [Go to Page]
- Protection from Direct Solar Radiation
- Solar Control
- Choosing Premium T8 Ballasts
- BEF-P Calculation
- ASHRAE/IES Standard 90.1-2010 Occupancy Sensor Requirements
- Automatic Light Levels with Occupancy Sensors
- ASHRAE/IES Standard 90.1-2010 Lighting Control Requirements
- Recessed High-Performance Lensed Fluorescent Fixtures
- Exterior Lighting
- Radiant Heating/Cooling System
- Using Solar Energy
- Tables
[Go to Page]
- Table 3-1 Cities Characterized by Climate Combinations
- Table 3-2 Typical Internal Heat Gains for Office Spaces
- Table 3-3 Standard Percentage Assumptions by Space Type (Thornton et al. 2010)
- Table 3-4 Exterior Lighting Zones
- Table 3-5 Guidance for Improving Energy Efficiency in Perimeter Zonesa
- Table 5-1 Examples of Cool Roofs
- Table 5-2 Vertical Fenestration Descriptions
- Table 5-3 Minimum Reflectances
- Table 5-4 4 ft T8 Lamp Efficacy
- Table 5-5 Exterior Lighting Zones
- Table 5-6 Reduction in Equipment Wattage for PL1 and PL2
- Table 5-7 Electric Water Heater Energy Factors
- Table 5-8 Constant-Volume Heat Pump Efficiency Levels*
- Table 5-9 VAV DX Cooling-Only Equipment Efficiency Levels*
- Table 5-10 DOAS Cooling and Heating Equipment Efficiencies*
- Table 5-11 Total System Effectiveness with Energy Recovery
- Table A-1 Opaque Construction Options
- Table B-1 International Climatic Zone Definitions
- Table C-1 Sample Commissioning Scope Matrix—Responsibilities and Schedule
- Figures
[Go to Page]
- Figure 2-1 Traditional Project Design Team
- Figure 2-2 Integrated Project Design Team
- Figure 2-3 Key Design Activities for Energy Efficiency
- Figure 2-4 Example of “Cartoon” Diagram Describing Energy-Efficiency Measures
- Figure 2-5 Graphical Example Showing Comprehensible Scale of Energy Savings
- Figure 3-1 Comparison of Baseline to Prescriptive 50% AEDG SolutionShowing Breakdown of Energy Savings Components
- Figure 3-2 Heating and Cooling Influence
- Figure 3-3 Heating Degree-Days
- Figure 3-4 Cooling Degree-Days
- Figure 3-5 Annual Solar Radiation
- Figure 3-6 Design Dew-Point Temperatures
- Figure 3-7 Design Wet-Bulb Temperatures
- Figure 3-8 U.S. Climate Zone Map
- Figure 3-9 Medium Office with Radiant Heating and Cooling Systems
- Figure 3-10 Medium Office with a VAV System
- Figure 3-11 Site EUI for Office Buildings
- Figure 3-12 Annual Solar Radiation by Orientation
- Figure 3-13 SHGC Multipliers for Permanent Projections
- Figure 3-14 Percentage of Total Energy Savings arising from Each End-Use System
- Figure 3-15 Relative Impact of Energy Savings Strategies
- Figure 4-1 U.S. Map Showing the DOE Climate Zones (Briggs et al. 2003)
- Figure 5-1 (EN3) Attics and Other Roofs—(a) Ventilated Attic and (b) Cathedral Ceiling
- Figure 5-2 (EN4) Prefabricated Metal Roofs Showing Thermal Blocking of Purlins—(a) Filled Cavity; (b) Liner System, One Layer; and (c) Liner System, Two Layers
- Figure 5-3 (EN5) Example Mass Wall Assembly
- Figure 5-4 (EN6) Example Steel Frame Assembly
- Figure 5-5 (EN7) Wood Frame and Other Walls
- Figure 5-6 (EN8) Metal Building Walls
- Figure 5-7 (EN9) Below-Grade Walls—(a) Exterior Insulation, (b) Interior Wood Framing, and (c) Interior Steel Framing
- Figure 5-8 (EN10) Mass Floors—(a) Insulation Above Slab and (b) Insulation Below Slab
- Figure 5-9 (EN11) Wood-Frame Floors
- Figure 5-10 (EN12) Slab-on-Grade Floors, Unheated—(a) Perimeter Insulation and (b) Insulation Below the Slab
- Figure 5-11 (EN13) Slab-on-Grade Floors, Heated
- Figure 5-12 (EN15) Double Doors with a Center Post
- Figure 5-13 (EN21) Moisture Control for (a) Mixed Climates and (b) Warm, Humid Climates
- Figure 5-14 (EN22) Thermal Bridges at Parapets
- Figure 5-15 (EN22) Thermal Bridges at Foundations
- Figure 5-16 (EN23) Thermal Break (a) at Window Frame and(b) in Window Frame Aligned with Wall Insulation
- Figure 5-17 (EN26) Windows with Overhang©
- Figure 5-18 Daylighting Design Concepts
- Figure 5-19 (DL7) (a) Raised Ceiling at Façade and (b) Sloped Ceiling at Façade
- Figure 5-20 (DL8) Clerestory
- Figure 5-21 (DL9) Borrowed Light in Corridor
- Figure 5-22 (DL10) Maximized Window Width
- Figure 5-23 (DL10) Transparent Partitioning Wall
- Figure 5-24 (DL11) Punched Window Placed next to Partition Wall
- Figure 5-25 (DL12) Fixed External Shading in (a and b) Horizontal Configurationand (c) Vertical Configuration
- Figure 5-26 (DL12) Operable Louvers Located between Glass Panes
- Figure 5-27 Open Office Space Planning©
- Figure 5-28 (EL9) Occupancy-Sensing Control©
- Figure 5-29 (EL14) Open-Plan Office Layout©
- Figure 5-30 (EL15) Private Office Layout
- Figure 5-31 (EL16) Conference Rooms/Meeting Rooms Layout
- Figure 5-32 (EL17) Corridor Layout
- Figure 5-33 (EL18) Storage Area Layout
- Figure 5-34 (EL19) Lobby Layout
- Figure 5-35 (HV10) Examples of DOAS Configurations©
- Figure 5-36 (HV12) Examples of Exhaust Air Energy Recovery Devices
- Figure 5-37 (HV33) Typical Noise Paths for Rooftop-Mounted HVAC Units
- Figure 5-38 (HV33) Typical Noise Paths for Interior-Mounted HVAC Units
- Figure 5-39 (DL22) Rooftop Monitor
- Figure 5-40 (DL24) Roof Skylight and Space Section
- Figure 5-41 (DL26) Roof Skylight Section
- Figure 5-42 (DL27) Toplighting Height Differential—South-Facing
- Figure 5-43 (RE3) Average Annual Wind Power Estimates
- Figure D-1 Schematic Design Comparative Envelope Performance Analysis
- Figure D-2 Schematic Design Comparative Façade Performance Analysis [Go to Page]