Case study on how Arby's Restaurant Group's innovative approach to rooftop unit (RTU) management garnered them $287,000 and 2.9 million kWh in annual savings.
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Plug Load Strategies for Zero Energy Buildings:
A case study on the zero energy historical renovation of the Wayne N. Aspinall Federal Building and U.S. Courthouse
This 15 page paper introduces zero energy districts, reviews the structure of the Zero Energy Districts Accelerator (ZEDA), discusses the value of energy master planning, presents barriers to zero energy districts and how these are being addressed by zero energy district pioneers, and suggests pathways for wide-scale replication.
PPLs account for an increasingly large percentage of commercial building energy use. The primary energy use associated with PPLs is projected to grow from 30% to 35% of total commercial building energy use between 2010 and 2025 because the number and energy intensity of plug-in devices continue to increase. This is due to the wide range of U.S. commercial building types, uses, sizes, and vintages, PPL energy consumption can range from 10% in warehouses to nearly 60% in food sales. The decision guides found in this resource were created to help building owners find the right control strategy for PPLs in their buildings. The guides are developed for different building types and outline the costs, potential savings, complexities, and user friendliness of various control strategies and their applications to each building type. The guides also aim to help building owners determine whether a control is appropriate for particular project applications such as staged retrofit projects, whole-building retrofits, new construction projects, and projects that involve tenants and landlords. Lastly, the guides provide links to additional resources that can further help building owners assess and reduce the energy use that is associated with PPLs, find rebates for PPL control measures, and procure the right control types for their building equipment.
This five-page fact sheet explains how designing, building, and operating zero energy ready K-12 schools provides benefits for districts, students, and teachers.
Case study on how Fontana Unified School District in southern California used grant money to install 201 high-efficiency Carrier rooftop units (RTUs) in 30 buildings across four schools, resulting in $214,000 saved per year.
A look at the rise of zero energy-ready schools, and the publication guiding their future development. From the Spring 2018 issue of USGBC+.
Highlighted in the article is the Advanced Energy Design Guide for K-12 School Buildings (Zero Energy). It can be downloaded for free at: www.ashrae.org/aedg
"Passive solar can make windows energy producers instead of energy liabilities."
Imagine a school so inviting that students want to come to school. Now imagine this school housed in a beautiful, light-filled building that produces more energy on an annual basis than it uses. Finally, imagine that the district built this school on the same budget as a conventional school, using typical materials, equipment, and tradespeople.
Sound too good to be true? Discovery Elementary School in Arlington, Virginia, is living proof that zero energy (ZE) schools are feasible, affordable, and sensible.
School districts and their design and construction teams have encountered and overcome challenges to achieving zero energy in school buildings. This five-page fact sheet explains how they did it.