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LEDs: Attributes and Applications
August 10, 2012
Light-emitting diodes (LEDs) promise high efficiency and long life, but not every application is right for LEDs. This 20-minute video Tech Brief examines the attributes of LEDs, presents the most promising applications, and provides guidance on how to select suitable products.
Content type: Tech Brief | Document ID: EMN-TB-5 | Author: Ira Krepchin
Update on Appliance Efficiency Standards
May 22, 2012
This 25-minute video highlights some of the key findings from a report recently released by the American Council for an Energy-Efficient Economy and the Appliance Standards Awareness Project entitled “The Efficiency Boom: Cashing In on the Savings from Appliance Standards.”
Content type: Tech Brief | Document ID: TAS-TB-3 | Author: Katie Elliott
How Efficient Are New Homes in California?
January 5, 2012
A study examined 40 single‑family and 40 multifamily units (apartments and townhouses) that were built under the 2005 Building Energy Efficiency Standards for Residential Buildings. Data showed that the homes often didn’t perform up to code.
Content type: Tech Brief | Document ID: CEC-TB-62 | Author: Ira Krepchin
Advanced LED Downlighting System
October 10, 2011
Newly designed downlights use light-emitting diodes to their full potential while maintaining the features and functionality that have made them popular.
Content type: Tech Brief | Document ID: CEC-TB-52 | Author: Essie Snell
Developing Energy-Efficient Communities
July 21, 2011
The potential exists to make new communities far more efficient than current codes require. This brief describes research that helped to quantify that potential and explored the technologies, strategies, and policies that would make it real.
Content type: Tech Brief | Document ID: CEC-TB-46 | Author: Ira Krepchin
Lighting the Way to Demand Response
April 21, 2011
Commercially available advanced lighting-control systems can be used today in demand-response programs. This Tech Brief examines the cost, the potential savings, and the best way to implement these systems.
Content type: Tech Brief | Document ID: CEC-TB-47 | Author: Ira Krepchin
Automated Demand Response Cuts Commercial Building Energy Use and Peak Demand
December 3, 2008
Automated demand-response (AutoDR) systems use Internet-based electricity pricing and demand-response signals to initiate preprogrammed control strategies that provide fully automated management of building energy use. When electricity prices are high or when the grid is nearing full capacity, these ...
Content type: Tech Brief | Document ID: CEC-TB-31 | Author: Jessica Rivas
Wireless Lighting Controls Make Retrofits Practical
October 1, 2008
An innovative wireless lighting control, monitoring, and management system developed by Adura Technologies is easy to install, cost-effective, and can provide significant energy savings. It eliminates the costly and time-consuming installation of control wiring and can be easily installed by facilities ...
Content type: Tech Brief | Document ID: CEC-TB-38 | Author: Ira Krepchin
Task/Ambient Lighting: Efficient, Stylish, and Portable
October 1, 2008
A desk lamp has been developed to provide individually controllable uplighting and downlighting. The designs incorporate improved optics and features that will enable low-cost manufacturing. The California Lighting Technology Center worked with Full Spectrum Solutions to develop the products. Full ...
Content type: Tech Brief | Document ID: CEC-TB-43 | Author: Ira Krepchin
LED Hybrid Porch Light Cuts Energy, Maintenance Costs
September 1, 2008
A hybrid fixture featuring light-emitting diodes (LEDs) and either an incandescent lamp or a compact fluorescent lamp (CFL), and integrated with an occupancy sensor, addresses both energy and security concerns. The design features a low-wattage, high-brightness LED that runs continuously during the ...
Content type: Tech Brief | Document ID: CEC-TB-37 | Author: Ira Krepchin
Daylight Harvesting Made Simple
August 1, 2008
Researchers at the California Lighting Technology Center (CLTC) at the University of California at Davis developed a new approach to daylighting called the Simplified Daylight Harvesting system (SDH) that is easy to install and provides automatic and continuous calibration. The system uses photosensor ...
Content type: Tech Brief | Document ID: CEC-TB-36 | Author: Ira Krepchin, John Sustar
Sweet SPOT™ for Daylighting
July 1, 2008
Daylighting systems, which use natural lighting to supplement electric lighting, have the potential to cut energy use, reduce peak demand, and create a more desirable indoor environment, yet these systems often fail to live up to their potential. One reason they fail is that they are sensitive to ...
Content type: Tech Brief | Document ID: CEC-TB-18 | Author: Ira Krepchin
Integrated Classroom Lighting System: Light’s Great, Less Billing
May 1, 2008
Typical classroom lighting is expensive to operate and does not meet the functional needs of teachers or students. The modern classroom requires a range of lighting scenarios, from full lighting for traditional teaching to various levels of dimming and light distribution for audiovisual presentations ...
Content type: Tech Brief | Document ID: CEC-TB-1 | Author: Ira Krepchin
Integrated Office Lighting Systems: Making It Personal
November 7, 2007
A two-pronged system known as an “integrated office lighting system” (IOLS) has been developed for better workplace lighting. It combines lower levels of ambient overhead lighting with an efficient personal lighting system. The lower overhead lighting levels—achieved in retrofit applications ...
Content type: Tech Brief | Document ID: CEC-TB-33 | Author: Spencer Sator
High Hopes for Low-Glare Outdoor Luminaire
March 15, 2006
Wall-pack luminaires with high-pressure sodium (HPS) lamps are commonly used to provide outdoor illumination for all types of buildings and many parking lots, yet they are among the least-efficient fixtures made and provide poor glare control. The standard design approach makes a trade-off between ...
Content type: Tech Brief | Document ID: CEC-TB-25
Bathroom Lights Save Energy and Boost Safety
March 13, 2006
Lights in the bathrooms of hotels, senior living centers, and nursing homes are frequently left on for extended periods—either due to forgetfulness or deliberately so that they can serve as night-lights. The night-light function is especially critical in senior housing, where tripping and falling ...
Content type: Tech Brief | Document ID: CEC-TB-24
Up with CFL Downlights
April 18, 2005
The use of downlights in the residential market is increasing, yet energy-efficient compact fluorescent lamp (CFL) downlights have not been widely accepted or adopted by residential builders and homeowners. That’s because residential CFL downlights are costly, difficult to install, and not widely ...
Content type: Tech Brief | Document ID: CEC-TB-5
Hybrid Fixture Lights up the Night
April 18, 2005
Many exterior entry and walkway lights in residential and commercial locations use incandescent lamps, because they are small and inexpensive. However, these lights tend to burn all night long, and their inefficiency leads to high energy use. The lights also burn out quickly, which compromises security ...
Content type: Tech Brief | Document ID: CEC-TB-9
Guide Illuminates Modular Skylight Well Design
February 17, 2005
Skylights equipped with photosensors and lighting controls can cut energy use in commercial buildings by reducing the use of electric lighting whenever sufficient daylight is present. But this technology is seldom implemented, because designers and architects don’t have the information they ...
Content type: Tech Brief | Document ID: CEC-TB-3
