From their website: ENERGY STAR® is the government-backed symbol for energy efficiency. The blue ENERGY STAR label provides simple, credible, and unbiased information that consumers and businesses rely on to make well-informed decisions.
migration-tag: Lighting
Introduction to LED Lighting Light Emitting Diode (LED) is a relatively old technology, circa 1970, that has advanced from numeric displays and indicator lights to a range of new applications, including exit signs, accent lights, task lights, traffic lights, automobile lighting, signage, wall sconces, and outdoor lighting and downlighting. LEDs offer benefits such as small … Read more
Lighting Commissioning Spring 2003 Among the most frequently overlooked elements of any lighting design project is how the lighting system will be controlled. This is true for many reasons; cost, design time, confusion over contract scope, aversion to perceived risk of implementing new technologies. When moving forward with the practice of lighting design, these issues … Read more
Introduction to Occupancy Sensors All lighting systems are operated with lighting controls, devices that switch lights on and off or devices that dim light output. The most common and basic lighting control is a simple on-off switch, which, when flipped, opens and closes the circuit, feeding or cutting off the electric current necessarily to operate … Read more
Color Temperature Color temperature, expressed on the Kelvin Scale (K), is the color appearance of the lamp itself and the light it produces. Imagine a block of steel that is steadily heated until it glows first orange, then yellow and so on until it becomes white hot. At any time during the heating, we could … Read more
From their website: DSIRE is the most comprehensive source of information on incentives and policies that support renewable energy and energy efficiency in the United States. Established in 1995, DSIRE is operated by the N.C. Clean Energy Technology Center at N.C. State University. Follow the navigation above to read about the history of DSIRE, the partners on the project, … Read more
Color Rendering Color rendering, expressed as a rating from 0 to 100 on the Color Rendering Index (CRI), describes how a light source makes the color of an object appear to human eyes and how well subtle variations in color shades are revealed. The higher the CRI rating is, the better its color rendering ability. … Read more
