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When can I use Core Performance?
Elements of the program can be applied to new commercial
construction projects of all sizes, but the criteria and analysis
supporting the program are designed particularly for smaller scale
commercial projects up to 70,000 square feet.
The program is based on the results of an extensive energy modeling
protocol used to identify consistent strategies that lead to predictable
energy savings across climates. The analysis included more than
30,000 energy modeling evaluations of three major building prototypes
(retail, office, school), four high-efficiency HVAC system permutations
for each prototype, evaluated for climate variations for 16 U.S.
cities. The program also includes guidelines on implementing improved
design processes to foster envelope and mechanical system design
integration, thereby improving overall building performance opportunities.
To support the Advanced Buildings Core Performance program,
a set of online technical reference materials is available to provide
additional information on implementation, design practice, research,
additional strategies and advanced practices for more effectively
applying the program.
How does Core Performance support an integrated
design process?
Core Performance comprehensively covers every step of the
building process, from pre-design charrette to post-occupancy performance
verification. At each phase along the way, requirements for interdisciplinary
communications and document preparation ensure that designers, contractors,
engineers, etc. are working from the same page to create a building
that really performs.
Which climate zones and building types are covered by Core
Performance?
The Department of Energy has divided the U.S. into 15 climate zones:
from dry to humid and hot to cold. Core Performance has
been analyzed using an extensive calculation protocol for all of
these climate variants, with multiple building prototypes and system
types to represent a wide swath of commercial construction types.
The building types used in this analysis represent over two-thirds
of the commercial project characteristics in the U.S.
How does Core Performance relate
to LEED?
The Core Performance program has been adopted by the U.S.
Green Building Council as a prescriptive alternative to energy modeling
to achieve up to five LEED points in the Optimize Energy Performance
credit (EA credit 1). All LEED buildings are now required to achieve
at least two points in this credit in order qualify for LEED certification.
For more information, see Core
Performance and LEED 2009.
How do I get started?
The Core Performance Guide is available for purchase
for $95. The price includes one year’s exclusive access to
our online reference materials.
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