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I've slowly been replacing my incandescents with CFLs and LEDs over the last few years. My "investment" in LEDs seems to be paying off. The C. Crane GeoBulb, for example, used to cost $119, IIRC. Now, the bulb is on sale for $25 (since the release of a newer bulb).
I purchased an example of several of the popular LED bulbs from C. Crane, EarthLED, and LEDlight.com and have been experimenting with them. Most have:
30,000+ hrs lifespan
1-13 watts tend to "equal" 10-100 watts from incandescent bulbs.
No mercury or lead
Instant-on
Improving color and
1-5 year warranty
CFLs have their purpose in my apartment as the 'heat lamps.'
Incandescents could be useful during the winter as heat lights too, but I prefer to just wear layers and drink lots of hot tea and hot cocoa...
The biggest problem is brightness and directionality. Finding the right application for the bulbs, most of which are not omnidirectional, is a bit tough.
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When we try to pick out anything by itself, we find it hitched to everything else in the universe. John Muir
"Price is what the person pays. Cost is what society pays, here, now, elsewhere and into the future." Natural Capitalism
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