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  • e-News #93: Improving Title 24 Compliance - CBECC-Com
    June 10, 2014
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    e-News #93: CBECC-Com

    CBECC-Com, or California Building Energy Code Compliance for Commercial Buildings is the open-source energy modeling program that allows architects, engineers, and energy consultants to demonstrate compliance with California’s Building Energy Efficiency Standards (Title 24, Standards) that go into effect on July 1, 2014.

    The first certified version of the software was released in September 2013, with ongoing development and new features added...

    read more...

  • e-News #92: Evolution of LEED v4
    March 14, 2014
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    e-News #92: LEED v4

    LEED v4 places increased emphasis on building performance. The U.S. Green Building Council has unveiled the latest version of its Leadership in Energy and Environmental Design (LEED®) Rating System.

    LEED v4 sets the bar higher for manufacturers of building materials, encouraging them to reduce environmental impacts and health hazards associated with material ingredients. Rating systems have been adapted for twenty-one additional market sectors that formerly faced barriers to LEED certification, including data centers, warehouses & distribution centers, and hospitality. LEED v4 introduces several new concepts, including IDP, BUG, LCA, EPD, and HPD. If these acronyms are not in your LEED lexicon...

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  • e-News #91: Title 24 2013 Update
    November 23, 2013
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    e-News #91: Title 24 2013

    The 2013 Title 24 Standards have undergone a number of changes to improve the energy performance of new and existing buildings. In addition to increased stringency, the Standards have increased in scope to include requirements for covered processes -- data centers, laboratories, kitchen exhaust systems, parking garages -- and they have increased in extent to include commissioning requirements and
    additional acceptance test requirements for systems and components. A few of the many key changes to the 2013 Standards follow.

    read more...

  • e-News #90: Fuel Cells
    October 29, 2013
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    e-News #90: Fuel Cells

    Fuel Cells Fuel Alternative Energy Options. A fuel cell is a device that converts the chemical energy from a fuel – most commonly hydrogen – into electricity through a chemical reaction with oxygen or another oxidizing agent. Although many might think of fuel cells as batteries, they are not. Fuel cells require a constant source of fuel and oxygen to operate, and they can produce electricity for as long as fuel and oxygen are provided.

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  • e-News #89: Shining Some Light on Photovoltaics
    February 6, 2013
    1 comment
    e-News #89: Photovoltaics

    Photovoltaic (PV) modules are among the most iconic of all building components. They make a visual statement of environmental consciousness and can substantially offset a building's use of finite resources, all while saving money on monthly utility bills. You may have seen PV systems appearing on roofs in your neighborhood or heard about how much PV prices have dropped. Is it time to consider PV for your own home or business? What's happening with solar technology and is now the right time to invest in PV?

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  • e-News #88: Outdoor Lighting
    December 16, 2012
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    e-News #88: Outdoor Lighting

    We need light outdoors at night for safety, security, productivity, and enjoyment. Guidelines and technologies available today can help meet these lighting needs while providing good quality lighting that minimizes light pollution, conserves energy, and enhances community ambience, including the effect on wildlife and our view of the starry night sky.

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  • e-News #87: Benchmarking
    November 13, 2012
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    e-News #87: Benchmarking

    Benchmarking is the act of comparing performance data for an organization or process, usually with the goal of motivating its improvement. Benchmarking requires the use of a common metric to allow comparison between entities, or else to a minimum standard or best-practice goal. Building energy performance is typically measured in equivalent units of consumption, over a consistent period of time, for a given unit of area

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  • e-News #86: Zero Net Energy Buildings
    October 10, 2012
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    e-News #86: Zero Net Energy Buildings

    California will require all new residential construction to be zero net energy by 2020 and all new commercial construction to be zero net energy by 2030. In order to achieve this and other goals, we must understand how to define and quantify ZNE, approach ZNE by project type, and move forward with ZNE.

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  • e-News #85: Radiant Heating and Cooling
    March 22, 2012
    3 comments
    e-News #85: Radiant Heating and Cooling

    Radiant heating and cooling systems are more energy efficient compared to traditional forced air systems for several reasons.  But let's start at the building occupant since their comfort is one of the main reasons we have the built environment.

    read more...

  • e-News #84: Building Information Modeling
    February 1, 2012
    1 comment

    BIM is the process of building a 3D data-rich model of all architectural, structural, mechanical and electrical systems in the building. The model is not only used to design the building and document it for construction, it's also used as the primary tool to create and coordinate design solutions.

    read more...

  • e-News #83: Supermarket Refrigeration
    December 21, 2011
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    e-News #83: Supermarket Refrigeration

    Supermarkets, grocery stores and convenience stores have the second highest energy consumption of major building types in California, with electricity representing over 80% of this, and with energy-intensive refrigeration consuming the greatest fraction of electricity.

    read more...

  • e-News #82: Data Center Efficiency
    September 15, 2011
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    e-News #82: Data Center Efficiency

    Data centers are driving the growth of many hi-tech industries but a consequence of their rapid increase in capacity is greater consumption of energy and resources, and increased greenhouse gas emissions.

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  • e-News #81: A New Green Building Challenge for California
    June 29, 2011
    1 comment
    e-News #81: A New Green Building Challenge for California

    The California building industry has a new challenge this year. All new building projects must incorporate sustainable design and construction requirements to meet the new California Green Building Code (CALGreen).

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  • e-News #80: Energy Modeling for Compliance, Incentives and Beyond
    April 22, 2011
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    e-News #80: Energy Modeling for Compliance

    Building energy simulation programs have been used for decades to predict energy performance of buildings and the energy savings associated with energy efficiency measures.  Building codes allow the use of simulation programs to provide greater design flexibility in meeting energy performance targets. But what, exactly, is that "energy performance target" and how is it formed?

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  • e-News #79: Solar Thermal - The Sun is at Your Service
    March 3, 2011
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    e-News #79: Solar Thermal

    Solar thermal systems have been used for decades for domestic water heating and space heating. They provide a cost-effective alternative for water heating, and can be also used in larger applications from commercial systems to power plants.

    read more...

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Sign up to the EDR e-News service to stay abreast of the latest news, developments, and tips from the Energy Design Resources website.

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e-News is published by Energy Design Resources, an online resource center for information on energy efficiency design practices in California.

Savings By Design offers design assistance and incentives to design teams and building owners in California to encourage high-performance nonresidential building design and construction.

Energy Design Resources and Savings By Design are funded by California utility customers and administered by Pacific Gas and Electric Company, Sacramento Municipal Utility District, San Diego Gas and Electric, Southern California Edison and Southern California Gas Company, under the auspices of the California Public Utilities Commission.
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