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<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span
style='font-size:24.0pt'>DOE, PNNL Release Report on Cutting Energy Use in Half
in Commercial Buildings<o:p></o:p></span></b></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span
style='font-size:13.5pt'>October 08, 2010<o:p></o:p></span></b></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><i>Report
details strategies to save energy in quick-service restaurants</i><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>The
U.S. Department of Energy and its Pacific Northwest National Laboratory (PNNL)
have released a technical report that provides recommendations on how to
achieve up to 50% energy savings in quick-service restaurants. PNNL, with help
from industry collaborators and under the direction of DOE's Building
Technologies Program, performed the research, analysis, and documentation that
support DOE's goal of significantly improving the energy efficiency of new and
existing commercial buildings across the United States. <o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><a
href="http://www.pnl.gov/main/publications/external/technical_reports/PNNL-19809.pdf">Technical
Support Document: 50% Energy Savings for Quick-Service Restaurants<span
style='color:windowtext;text-decoration:none'><span style='color:blue'><img
border=0 width=13 height=14 id="Picture_x0020_1"
src="cid:image001.gif@01CB6943.3F5CE910" alt=PDF></span></span></a> details a
package of energy-efficiency measures that cut energy use in quick-service
restaurants by up to 50% compared to a baseline standard in less than five
years. The 50% goal involves reducing site energy usage in all eight U.S.
climate zones, relative to buildings constructed to meet minimal code-compliant
requirements of ANSI/ASHRAE/IESNA Standard 90.1-2004. <o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>For
the analysis, PNNL developed a 2,500-square-foot building model that was based
on actual floor plans in prototypical quick-service restaurant design. PNNL
used EnergyPlus, an energy simulation program, to determine the energy savings
provided by the energy-efficiency measures. The prototype building was analyzed
in the eight U.S. climate zones, which were further divided into 16
representative climate cities. The report establishes the baseline energy use
by end-use category in a typical quick-service restaurant and provides the site
energy and energy cost savings from implementation of the recommended measures.
The report also provides an estimate of the incremental first costs and simple
payback years for an energy-efficient quick-service restaurant in various
climate locations. <o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>The
following energy-efficiency measures helped researchers reach the
energy-savings target: <o:p></o:p></p>
<ul type=disc>
<li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
mso-list:l0 level1 lfo1'>Ultra-efficient cooking appliances resulted in
reduced kitchen exhaust air flow<o:p></o:p></li>
<li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
mso-list:l0 level1 lfo1'>An optimized HVAC system configuration was used
to better utilize a dedicated outdoor air system and runaround coil loop
heat recovery<o:p></o:p></li>
<li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
mso-list:l0 level1 lfo1'>Efficient exterior and interior lighting were
used around the building and dimming controls were used in the dining room
<o:p></o:p></li>
<li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
mso-list:l0 level1 lfo1'>Enhanced insulation, cool roofs, and
high-performance window glazing improved the building envelope. <o:p></o:p></li>
</ul>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>The
50% savings report will provide the basis for the next series of Advanced
Energy Design Guides (AEDGs), which are "how-to" guides that show
architects, engineers, and building designers how to achieve above-code
exemplary energy performance for buildings using existing technologies
available today. The American Society of Heating, Refrigerating and
Air-Conditioning Engineers (ASHRAE) works in collaboration with DOE, the
American Institute of Architects, the Illuminating Engineering Society, and the
U.S. Green Building Council to develop and publish AEDGs. These are <a
href="http://www.ashrae.org/technology/page/938">available for free public
download</a>. <o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>In
addition to the ASHRAE design guides, the results of these studies will be
shared with DOE's Commercial Building Energy Alliances and the Commercial
Building Partnerships. These groups are public-private collaborations aimed at
developing energy-efficient technologies and practices and sharing the
information with commercial building owners and operators around the United
States. <o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>DOE,
with its national laboratories, commissions these technical support documents
(TSDs), to describe the assumptions, methodologies, and analyses used to
achieve certain levels of energy performance. DOE has published documents in
several categories for commercial buildings. To view previous TSDs, <a
href="http://nrelpubs.nrel.gov/Webtop/ws/nich/www/public/SearchForm">search the
publications database</a>. <o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>The
mission of the Building Technologies Program (BTP) is to develop technologies,
techniques, and tools for making buildings more energy efficient, productive,
and affordable. BTP focuses on improving commercial and residential building
components, energy modeling tools, building energy codes, and appliance
standards. For more information, visit the <a
href="http://www.eere.energy.gov/buildings/">Building Technologies Program Web
site</a>. <o:p></o:p></p>
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