I have CFL bulbs in applications at my home where they replaced incandescen= t bulbs. The CFL outlasts the incandescent by at least 5 times, under the exact same conditions. They also provide as much light as the equivalent incandescent. =20 I use the least expensive ones I can find and have compared them to the mor= e expensive "name brand" CFL bulbs. I find no advantage to using the more expensive name brand bulbs in any area. =20 There is a light fixture in my dining room which has 5 bulbs. I was replacing at least one of the incandescent bulbs every couple of months. Once I replaced all 5 with CFL bulbs that stopped. I put in the CFL bulbs over 4 years ago and haven't replaced a single one since. This fixture is turned on and off. =20 There is one which stays on 24/7, it is in a hallway and the CFL bulbs outlast the incandescent bulbs I used to use in that fixture by at least 10 times. =20 The only thing I find in the article with which I can totally agree is the toxic aspect.=20 -----Original Message----- From: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu] On Behalf Of RussellMc Sent: Wednesday, April 04, 2012 9:36 PM To: Microcontroller discussion list - Public. Subject: Re: [TECH] CFL vs incandescent vs LED On 5 April 2012 06:28, YES NOPE9 wrote: > http://lewrockwell.com/orig13/wheaton2.1.1.html?utm_source=3Dtwitterfeed&ut= m_m edium=3Dtwitter > > CFL don't seem to last longer than incandescents Some good material there BUT far from the full story, and I doubt his general conclusions. I have had some CFL bulbs last over 25,000 hours of operation. And yes, they were operated as abnormally as the ones he cites which were turned on & off every 2 minutes. Mine were low wattage (6W or 8W usually) and were almost never turned off. I mark all CFL bulbs with the date when installing them. I regularly get years of calendar use. Operating hours varies. Few fail within months. If you want best output per Watt, buy brands made by people who know what they are doing both in CFL manufacture and other areas. Philips' Gloeilampenfabrieken* is one such but there are others. The Philip Tornado CFL's were top ranked for output in tests arranged by an often reputable consumer organisation here and about 2 x brighter than bottom contenders. Philips publish lumen per Watt (when new) data on the packets and elsewhere. I'm adequately convinced that CFLs make economic sense in most domestic situations. And I've yet to find an incandescent equivalent to the 100 Watt electrical input CFL in my dining room light fitting that will fit directly in the fitting - or a daylight white incandesecent. ie CFL's are not perfect and not as good as some claim, but I deem them as adequately good. YMMV. I have no financial interest in Philips ... - just like their products generally. They even do an OK job of 'badge engineering' things. If they sell it with their name on it's more likely than average to be OK - here anyway. Russell McMahon * name changed in 1991, alas. I visited their original factory in 2003 - even though it had been utterly destroyed in WW2. Nicely rebuilt as a 'corporate monument'. --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .