The 50% Advanced Energy Design Guide for Small to Medium Office Buildings
The 50% Advanced Energy Design Guide (AEDG) series follows six volumes of award winning 30% guides. The AEDGs are the result of a partnership between DOE, ASHRAE, AIA, IESNA and USGBC, and the next group of publications will provide guidance on achieving 50% savings over ANSI/ASHRAE/IESNA Standard 90.1-2004. The first guide in the new series, 50% AEDG for Small to Medium Office Buildings, is currently available for free download. This no-cost webinar provides an overview of the 50% series and outlines recommendations for energy savings in both small and medium office buildings.
|What||HVAC, energy, ASHRAE, DOE, design, energy efficiency, lighting, AIA, building envelope|
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- Overview of the AEDG Series
Jeremy Williams, U.S. Department of Energy
Jeremy will provide the overview of the AEDG series, including both the 30% AEDG and 50% AEDG series.
- What's New in the 50% AEDG Office Guide
Bing Liu, Sr. Research Engineer, Pacific Northwest National Laboratory
Bing will give an overview of this newly-published book, AEDG-SMO. The topic will include the goal of this guide, scope, methodologies and how to use this guide. It will also focus on the integrated design process and provide the extensive energy saving analysis results from implementing the energy efficiency recommendations from this Guide.
- Building Envelope Strategies for the 50% AEDG-SMO
Merle F. McBride, Sr. Research Associate, Owens Corning Center of Science and Technology
Upgrading the thermal efficiency of the envelope through reduced thermal transmittance and solar loads is the first and most obvious goal, but this needs to be complemented with fundamental changes in the building basic structure and form. New features include orientation sensitive window-to-wall ratios, limited use of flat roof skylights, incorporation of daylighting and view glazing, vestibules and mitigation of thermal bridges at roof/wall intersections, foundations and windows. Rounding out the envelope measures includes continuous air barriers, exterior shading of south facing windows and the use of thermal mass to reduce loads.
- Lighting and Daylighting Issues for the 50% AEDG-SMO
Michael D. Lane, Sr. Energy Management Engineer, Puget Sound Energy
The lighting section of the AEDG pushes three main areas of energy savings to help meet the 50% goal; daylighting, lower lighting power densities, and controls (daylighting and occupancy). Locating open office areas on the North and South sides of the building and using daylight as the primary light source. Lower lighting power densities are possible by using high-performance lensed fluorescent fixtures as the general light source and using spill light from the general lighting to light the corridors when possible. Occupancy sensors are used as the primary control mechanism throughout the spaces to ensure that lights are turned off when the spaces are unoccupied.
- Mechanical Systems and Systems Integration Issues for the 50% AEDG-SMO
Daniel Nall, Vice President, WSP Flack + Kurtz
Optimization of mechanical systems was critical to achieving the 50% energy savings goal required by the guide. Successful strategies were fully evaluated using comprehensive building energy simulation and were vetted for functionality and operability by the project committee. Systems were evaluated for both electrical and fossil fuel heating source. Successful strategies maximized part load energy savings, eliminated simultaneous heating and cooling, recovered energy from exhaust air and decoupled outside air delivery from sensible temperature control.
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A webinar handout will be available here the day before the event.
September 15, 2011
9:00 - 10:30 a.m. PT, 12:000-01:30 p.m. ET
The webinar will include questions and answers by the speakers as time allows.
Jeremy Williams, U.S. Department of Energy; Bing Liu, Pacific Northwest National Laboratory; Merle McBride, Owens Corning Center of Science and Technology; Michael Lane, Puget Sound Energy; and Daniel Nall, WSP Flack + Kurtz
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