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Building Envelope Design

Building envelopes not only provide the thermal barrier between the indoor and outdoor environment, but also play an important role in determining how effectively the building can utilize natural lighting, ventilation, and heating and cooling resources.


  • eQUEST®
    May 28, 2014
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    eQUEST

    eQUEST® v3.65 is a sophisticated, yet easy to use building energy use analysis tool which provides professional-level results with an affordable level of effort. This freeware tool was designed to allow you to perform detailed analysis of today's state-of-the-art building design technologies using today's most sophisticated building energy use simulation techniques but without requiring extensive experience in the "art" of building performance modeling. This is accomplished by combining a building

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  • Trigger Sheet: Nonresidential Fenestration
    November 22, 2013
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    Trigger Sheets: This handy trigger sheet summarizes sections of Title 24, Part 6 energy code that are triggered based on project scope.  The sections indicated on these trigger sheets can help identify energy code requirements for your project.

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  • Fact Sheet: Nonresidential Fenestration, Focused on Site-Built
    November 22, 2013
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    Fact Sheets:  Download this fact sheet to read a summary of key requirements, definitions and resources that are useful to implement Title 24, Part 6 energy code.

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  • Fact Sheet: Residential Fenestration
    November 22, 2013
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    Fact Sheets:  Download this fact sheet to read a summary of key requirements, definitions and resources that are useful to implement Title 24, Part 6 energy code.

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  • Fact Sheet: Residential Cool Roofs
    November 22, 2013
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    Fact Sheets:  Download this fact sheet to read a summary of key requirements, definitions and resources that are useful to implement Title 24, Part 6 energy code.

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  • Fact Sheet: Nonresidential Cool Roofs
    November 22, 2013
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    Fact Sheets:  Download this fact sheet to read a summary of key requirements, definitions and resources that are useful to implement Title 24, Part 6 energy code.

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  • Design Guidelines: HVAC Simulation Guidebook, Volume I
    July 9, 2012
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    Design Guidelines: HVAC Simulation Guidelines

    The HVAC Simulation Guidebook Volume I (2nd Edition) has been updated to cite new research and reflect recent changes in the California Building Energy Efficiency Standards (Title 24 2008). It contains three chapters with step-by-step instructions on how to simulate the following advanced HVAC technologies:

    • Underfloor Air Distribution
    • Energy Efficient Chillers
    • Advanced Control Sequences
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  • Design Guidelines: Advanced Simulation Guidebook, Volume II
    February 24, 2010
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    Design Guidelines: Advanced Simulation Guidebook, Volume II

    This second volume of the Advanced Simulation Guidebook series is intended to teach readers about the high performance building process for commercial new construction. The goal of the high performance building process is to create buildings that meet owner and occupant needs in terms of energy efficiency, thermal comfort, and other sustainability areas-and do so in a way that reduces the necessary design effort and construction cost impact.

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  • Design Brief: Demand-Controlled Ventilation
    June 12, 2009
    1 comment
    Design Brief: Demand-Controlled Ventilation

    Demand-controlled ventilation (DCV) is a control strategy that varies the amount of ventilation outside air delivered to a space based on input from a single carbon dioxide (CO2) sensor or group of sensors.

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  • Design Brief: Cool Roofs
    January 12, 2009
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    On a sunny summer day, a typical roof surface can reach temperatures that are nearly 100°F above the ambient temperature. A cool roof, by contrast, stays at or near the ambient temperature due to the characteristics of its outer layer.

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  • Design Brief: Integrated Building Design
    June 12, 2006
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    Design Brief: Integrated Building Design

    Using the integrated energy design approach, designers can cost-effectively lower building operating costs while improving workers' comfort and boosting productivity.

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  • Design Brief: Glazing
    June 2, 2004
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    With so many factors influencing glazing selections, whole-building lifecycle analysis is the best tool for determining the most costeffective solution. Few decisions that a designer makes have more impact on the appearance and utility of a building than the glazing selection.

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  • Design Brief: Building Integrated Photovoltaics
    May 2, 2004
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    Using building integrated photovoltaic technology, design teams may supply solar energy to building systems, integrate the technology seamlessly into the building design, and provide an economical renewable energy source for building owners.

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  • Design Brief: Radiant Cooling
    July 2, 2003
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    Radiant cooling systems are more efficient, more comfortable, more attractive, and more healthful than systems that circulate air. Unlike most cooling systems in California, which circulate cold air to maintain comfort, most radiant cooling systems circulate cool water through ceiling, wall, or floor panels. "Coolth" from that water is then absorbed by occupants and interior spaces according to the dynamics of thermal radiation.

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  • Case Studies: Public Agency Demonstrates Resource Efficiency Through Innovative Design
    November 1, 2002
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    A 35-foot tall "water tower" feature dominates both the exterior and interior of the single-story Victor Valley Water District Administrative Facility. Located in a high desert climate, this building has 12-inch-thick exterior walls with solid-grouted concrete masonry.

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