Net Zero - TSA presentation
- 1. Peter Hoffmann, AIA, LEED AP Building Energy Optimization Maximizing Return on Investment in Net-Zero and Other Energy-Efficient Buildings Associate Principal, Page/Austin
- 2. Texas Society of Architects A051 Building Energy Optimization 59 Peter Hoffmann 11-7-2015
- 3. Credit(s) earned on completion of this course will be reported to AIA CES for AIA members. Certificates of Completion for both AIA members and non-AIA members are available upon request. This course is registered with AIA CES for continuing professional education. As such, it does not include content that may be deemed or construed to be an approval or endorsement by the AIA of any material of construction or any method or manner of handling, using, distributing, or dealing in any material or product. ______________________________________ _____ Questions related to specific materials, methods, and services will be addressed at the conclusion of this presentation.
- 4. SAMPLE OPTIONAL SLIDE This presentation is protected by US and International Copyright laws. Reproduction, distribution, display and use of the presentation without written permission of the speaker is proh © PageSoutherlandPage 2015 Copyright Materials
- 5. This presentation demonstrates a methodical approach that Page used to target net zero energy use for a multifamily project. While the individual strategies used for a multifamily project will differ from those employed for other building types, the strategic and tactical approaches toward achieving the best return on investment are applicable to any building project Course Description
- 6. Learning Objectives 1. Help their Client define their energy/sustainability goals. 2. Know who to include in a energy/sustainability programming team. 3. Create a list of Energy Efficiency Measures 4. Evaluate EEM’s Return on Investment based on several metrics At the end of the this course, participants will be able to:
- 8. Introduction Who We Are Founded in 1898 Integrated Architectural and Engineering Design Practice Over 500 Architectural and Engineering Professional Six United States Offices / Four International Offices Over 200 Design Awards in the Last Decade Alone Page Southerland Page, Inc. Austin, Texas Architecture Engineering Interiors Planning Consulting Commissioning Lab Planning Programming Sustainability
- 9. Introduction Market Sectors Academic Civic / Government Corporate / Commercial Healthcare Housing / Hospitality Science / Technology
- 11. 800 Avondale – spray foam insulation, shading, low e, high efficiency HVAC, solar
- 12. Four Points Office Campus – LEED Gold, Core and Shell, minimal footprint in an ecologically sensitive area
- 13. Lakeway Regional Medical Center – LEED Silver, EW orientation, natural materials
- 14. Veterans Administration Clinic Austin – LEED Silver equivalent, replacement building
- 15. Data Centers – high tech and secure – MEP efficiency driven
- 16. United Data Center – Brill Award for notable achievements in IT efficiency – mission critical cutting edge tech
- 17. United Data Center – Brill Award / LEED Silver – Kyoto heat exchanger
- 18. United Data Center – ambient air based cooling for servers/any climate – no water used
- 19. United Data Center – Kyoto – no water use – new standard for many locations
- 20. 15 Project Size 345,500 Square Feet 352 units 468 parking spaces Services Provided Architecture / Interiors / Civil East Riverside Apartments Austin, Texas
- 21. Site Aerial
- 22. Site Analysis
- 25. Early Concept
- 26. Net Zero Gas Turbine / Co & Tri-generation Solar New Project Requirements
- 29. 30 Day Road Map 1. Define Vision – Set project Goals 2. Create the Team 3. Identify Energy Efficient Measures 4. Evaluate Return on Investment of EEM’s
- 30. Collaborative Project Approach Begin with your clients vision.
- 31. Presidium Group Capital Group Property Management Energy East Riverside Apartments - First ground up development - Flagship & test bed for future projects Client profile
- 32. Define Vision – Set project Goals - Reduce Energy Bills Energy use reduction On site generation – Solar & Gas Turbine Co/Tri generation Consumption Tracking - Maximize Marketability of project Net Zero LEED - Create Sustainability focused Brand High correlation between near downtown demographic and interest in sustainability 23
- 33. Create the Team To create a conceptual framework to implement vision - Client, Architect, Energy modelers, Engineers, Cost Estimators Utility representatives, Vendors - Find people with the ability to think/understand issues outside of their area of expertise - Interdependence of systems - Get team together early – available for brainstorming
- 34. East Riverside Apartments Team Client Presidium Group Architecture Page/ Energy Modeling Atelier 10 MEP Engineers Page/ (conceptual) + Bay Engineers (design) Cost Estimating Project Cost Resources Electric Utility Austin Energy Photovoltaic Presidium/Alba Team
- 35. Identify Energy Efficient Measures East Riverside Apartments - Generate energy use base line data (conceptualenergy model) - Leverage your teams knowledge of EEM’s Previous Experience Current Developments - Get the Team in a room and charrette Team is greater than sum of parts - Don’t forget the basics - Be open to new ideas
- 38. Atelier 10 conceptual baseline energy model
- 40. 30
- 41. 31
- 42. Steps to Net Zero – building design measures + central plant measures = 50% savings + renewable energy generation = 0
- 43. List of EEMs to achieve Net Zero Energy Cost to be priced Energy Use Reduction strategies High Efficiency HVAC Solar Shading / High performance glass Central High Efficiency Boilers (Heating & Domestic Hot Water Daylighting Energy and water conserving appliances & fixtures Motion & Occupancy detectors for lighting Energy use monitoring High performance envelope On site Energy production strategies Solar Gas Micro Turbines with Co and Tri generation options Solar Domestic hot water Ground source cooling
- 44. Evaluate Return on Investment of EEM’s Evaluation Criteria - Energy Reduction/Generation potential - Initial Cost - Operational costs (Fuel, Maintenance, other life cycle costs) - Local Climate Considerations - Local availability of technology - Seasonal/Daily Load variations and rebate structures - Constructability and integration with other building parameters
- 45. First steps East Riverside Apartments - Check Rebates http://www.dsireusa.org/ - Solar definite - Eliminate easy EEM’s (Green roofs, unproven, etc.) Road Map
- 46. Conceptual Energy Modeling Results
- 48. Steps to Net Zero – building design measures + central plant measures = 50% savings + renewable energy generation = 0
- 49. Energy Reduction/Generation potential Energy Reduction - Building Envelope minimal gain - Code - Solar Shading high potential - HVAC high potential - Lighting potential with risks Energy Generation - Gas Micro Turbine high potential/high risk - Solar rebates/correlation/storage 37
- 51. Conceptual Energy Modeling Results Building Envelope
- 52. Insulation – Diminishing returns Building Envelope
- 53. Insulation – Diminishing returns Building Envelope - Energy Reduction/Generation potential - Initial Cost - Operational costs (Fuel, Maintenance, other life cycle costs) - Local Climate Considerations - Local availability of technology - Daily/Seasonal Load variations and rebate structures - Constructability and integration with other building systems
- 54. Conceptual Energy Modeling Results Solar Shading/Gain
- 57. Shutters & windows – visual comfort & design Solar Shading/Gain
- 58. Solar Shading/Gain - Energy Reduction/Generation potential - Initial Cost - Operational costs (Fuel, Maintenance, other life cycle costs) - Local Climate Considerations - Local availability of technology - Daily/Seasonal Load variations and rebate structures - Constructability and integration with other building systems
- 61. Lighting 45 - Energy Reduction/Generation potential - Initial Cost - Operational costs (Fuel, Maintenance, other life cycle costs) - Local Climate Considerations - Local availability of technology - Daily/Seasonal Load variations and rebate structures - Constructability and integration with other building systems
- 62. HVAC Roof space/DOE vs Energy Plus/initial cost
- 64. HVAC
- 65. HVAC
- 66. HVAC - Energy Reduction/Generation potential - Initial Cost - Operational costs (Fuel, Maintenance, other life cycle costs) - Local Climate Considerations - Local availability of technology - Daily/Seasonal Load variations and rebate structures - Constructability and integration with other building systems
- 67. Gas Micro-Turbines Energy generation – complementary systems
- 70. Gas Micro-Turbines Too complex for project type – electric alone more expensive than grid
- 71. Absorption chillers Project type complexity - Energy Reduction/Generation potential - Initial Cost - Operational costs (Fuel, Maintenance, other life cycle costs) - Local Climate Considerations - Local availability of technology - Daily/Seasonal Load variations and rebate structures - Constructability and integration with other building systems
- 72. Gas Micro-Turbines - Energy Reduction/Generation potential - Initial Cost - Operational costs (Fuel, Maintenance, other life cycle costs) - Local Climate Considerations - Local availability of technology - Daily/Seasonal Load variations and rebate structures - Constructability and integration with other building systems
- 73. Domestic Hot Water Central plant/life cycle cost analysis
- 74. Domestic Hot Water Water softening/piping - Energy Reduction/Generation potential - Initial Cost - Operational costs (Fuel, Maintenance, other life cycle costs) - Local Climate Considerations - Local availability of technology - Daily/Seasonal Load variations and rebate structures - Constructability and integration with other building systems
- 75. Solar Power Making up the deficit
- 76. Solar Power Panel layout and shade study/structural system
- 77. Solar Power
- 79. Solar Power 55 - Energy Reduction/Generation potential - Initial Cost - Operational costs (Fuel, Maintenance, other life cycle costs) - Local Climate Considerations - Local availability of technology - Daily/Seasonal Load variations and rebate structures - Constructability and integration with other building systems
- 80. Advances in energy generation & storage – energy systems test facility
- 81. Final Report
- 85. Presidium
- 87. Sample Last Slide This concludes The American Institute of Architects Continuing Education Systems Course Texas Society of Architects 512-478-7386