Sustainable sources of and use of light, whether natural or artificial.
Questions tagged [light]
30 questions
16
votes
6 answers
Are there any bright candelabra base LED bulbs equivalent to a 60-75 Watt incandescent?
My fan takes 3 candelabra (E12) base bulbs; I traditionally use incandescent flame tips, but since they're behind frosted glass, I don't really care.
Having just replaced my dimm-able recessed light with Utilitech dimm-able LEDs, and being quite…
JoshDM
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12
votes
2 answers
Improving natural light access
I get relatively little natural light into one room as shown below (this is the only window):
Is there a way to increase natural light into the room so that I don't have to use the electic light all the time?
Joe
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12
votes
3 answers
Is it economical / sustainable to switch from CFL to LED?
In my house, I currently have a mix of incandescent, CFL, and LED bulbs. I have a supply of additional CFL and LED bulbs. My immediate plan is to go through the house and swap out the incandescent bulbs that I can since they're considerably less…
Sean Duggan
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9
votes
1 answer
How do I dispose of Xenon light bulbs?
I have some under-cabinet lighting that uses Xenon G8 bulbs. I didn't even know this type of light bulb existed until recently. One of the bulbs has stopped working and I want to get rid of it.
What is the right/best way to dispose of Xenon light…
Alnoor
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4
votes
1 answer
Large-scale test data on LED, CFL, and incandescent brightness and longevity
A google search for "comparing LED, CFL, and, incandescent brightness" returns hundreds of charts showing what equivalent wattage of LEDs and CFLs are to match an incandescent bulb. This is fine for figuring out what bulb to use at home -- I'm…
LShaver
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2
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1 answer
How much heat loss occurs due to unsealed downlights?
I would like to convert my downlights to LED. However, the LEDs I've found have holes around them to let the air though. I've been told this is for ventilation purposes and blocking these holes or putting insulation over them will cause the LED to…
dizzy
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