http://www.askextension.org en-us http://www.askextension.org ActiveKB NX sfyl@pinellascounty.org Fri, 10 Sep 2010 15:10:05 EDT 20 http://www.askextension.org/questions/603/ http://www.askextension.org/questions/603/ CFL stands for Compact Fluorescent Lamp or Compact Fluorescent Light. These special bulbs use 75 percent less energy and lasts 10 times longer than regular incandescent bulbs. The bulbs are availa ... Betty Lipe Tue, 26 Jan 2010 18:15:15 GMT http://www.askextension.org/questions/593/ http://www.askextension.org/questions/593/ White light is a combination of all wavelengths in the visible spectrum. Incandescent lamps inherently produce white light. LEDs do not. They emit light in a very narrow range of the spectrum, pro ... Betty Lipe Tue, 05 Jan 2010 12:26:09 GMT http://www.askextension.org/questions/566/ http://www.askextension.org/questions/566/ Light fixtures that have earned the ENERGY STAR® label combine quality and attractive design with high levels of energy efficiency. Qualified fixtures (ENERGYSTAR®, n.d.-a): Use one-fou ... Betty Lipe Fri, 18 Dec 2009 19:30:58 GMT http://www.askextension.org/questions/565/ http://www.askextension.org/questions/565/ The U.S. Department of Energy has defined the criteria a CFL must meet to earn the ENERGYSTAR®. These criteria include very specific requirements for efficacy (LPW), CRI, CCT, product packagin ... Betty Lipe Fri, 18 Dec 2009 19:17:56 GMT http://www.askextension.org/questions/562/ http://www.askextension.org/questions/562/ Efficiency Compare brands for price, lumens per watt (LPW) and hours of life. To calculate lumens per watt, divide the lumens by the watts. For instance, an 800-lumen 60-watt incandescent bulb wo ... Betty Lipe Fri, 18 Dec 2009 18:51:03 GMT http://www.askextension.org/questions/560/ http://www.askextension.org/questions/560/ Contrary to popular belief, turning off fluorescent lights really does save energy. Frequent switching may shorten bulb life, but electric bill savings will more than compensate for the shorter li ... Betty Lipe Fri, 18 Dec 2009 18:38:50 GMT http://www.askextension.org/questions/549/ http://www.askextension.org/questions/549/ Let's compare an incandescent bulb and a CFL with the same light output. A 60-watt bulb does not necessarily provide more illumination than a 15-watt bulb. Why? Because watts measure energy use wh ... Betty Lipe Fri, 18 Dec 2009 14:40:51 GMT http://www.askextension.org/questions/543/ http://www.askextension.org/questions/543/ When you purchase a bulb, check its packaging for any restrictions on use. For example, some bulbs should not be used in enclosed fixtures and some may specify that the base be up or down. Many ar ... Betty Lipe Fri, 18 Dec 2009 12:59:44 GMT http://www.askextension.org/questions/535/ http://www.askextension.org/questions/535/ Let's compare an incandescent bulb and a CFL with the same light output. A 60-watt bulb does not necessarily provide more illumination than a 15-watt bulb. Why? Because watts measure energy use wh ... Betty Lipe Thu, 17 Dec 2009 20:54:33 GMT http://www.askextension.org/questions/501/ http://www.askextension.org/questions/501/ A broken CFL has the capacity to release the small amount of mercury contained within it in the form of a gas. Should you accidentally drop a CFL, follow the EPA’s “Cleanup and Disposa ... Betty Lipe Thu, 17 Dec 2009 20:54:00 GMT http://www.askextension.org/questions/421/ http://www.askextension.org/questions/421/ As a general rule of thumb, CFLs require special handling, so don't throw them away with the regular household trash. While CFLs can be recycled, they should not be thrown into your recycle bin ei ... Betty Lipe Thu, 17 Dec 2009 20:53:37 GMT http://www.askextension.org/questions/423/ http://www.askextension.org/questions/423/ The ENERGY STAR® Web site states, “Solid-State Lighting (SSL) is the future of lighting, and thanks in part to ENERGY STAR, it'll be here faster than you think. The ENERGY STAR label on ... Betty Lipe Thu, 17 Dec 2009 20:53:12 GMT http://www.askextension.org/questions/424/ http://www.askextension.org/questions/424/ Light Emitting Diodes (LEDs) are part of a comparatively new class of lighting called Solid State Lighting (SSL). Unlike incandescent or compact fluorescent lamps (CFLs), LEDs are small electronic ... Betty Lipe Thu, 17 Dec 2009 20:52:55 GMT http://www.askextension.org/questions/534/ http://www.askextension.org/questions/534/ It depends. The best white light LED lamps can meet or exceed the efficiency of compact fluorescent lamps—but many LEDs currently on the market do not. LEDs are sensitive to temperature and ... Betty Lipe Thu, 17 Dec 2009 20:52:38 GMT http://www.askextension.org/questions/536/ http://www.askextension.org/questions/536/ Currently, good quality LED products are fairly expensive, compared to standard lighting. But costs are coming down—in 2007, they were roughly one-seventh of costs in 2001—and it's exp ... Betty Lipe Thu, 17 Dec 2009 20:52:22 GMT http://www.askextension.org/questions/539/ http://www.askextension.org/questions/539/ LEDs differ from traditional light sources in the way they produce light. In an incandescent lamp, a tungsten filament is heated by electric current until it glows, emitting light. In a fluorescen ... Betty Lipe Thu, 17 Dec 2009 20:52:12 GMT