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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.


  • 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 Brief: Demand-Controlled Ventilation
    June 12, 2009
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    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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  • Design Brief: Design For Your Climate
    October 2, 2002
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    Design Brief: Design For Your Climate

    By understanding climatic conditions that are specific to a project's location, design teams are able to develop climate responsive building designs. The result is a building that utilizes less energy and provides a high quality and comfortable environment for the occupants.

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  • e-News #32: Button Up That Overcoat: Exterior Insulation and Finishing Systems Offer Improved Thermal Performance for Commercial Buildings
    May 11, 2001
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    Heading into what promises to be a long, hot California summer, most people are putting their thick outerwear into storage. But it's important to remember that for commercial buildings, an airtight covering of insulation saves on energy costs by fending off heat transfer from the hot outdoors and by keeping conditioned air from leaking out.

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  • e-News #24: Heat on a Cool White Roof: The Energy Efficiency Benefits of Reflective Roofing Materials
    January 19, 2001
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    Communities around the Mediterranean have used them for many centuries . . . and in modern times building researchers are quantifying their benefits. Now California's new Title 24 standards offer credit for them-It's time to take another look at cool, reflective roofs that can improve our communities and the environment in the future.

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