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Old 10-26-08, 06:13 AM   #11
groar
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Default CFL and lumens

I bought a few CFL yesterday, for our house and my parents in law's house.

For the living room we bought a 20w (100w equiv) 6500K CFL. It's rated at 1090 lm (lumen) while the 2700K one is rated at 1150.

For the bed room we bought a 15w (75w equiv) 6500K CFL. It's rated at 760 lm while the 2700K one is rated at 800.

For my bedside table we bought a 9w (45w equiv) 6500K CFL. It's rated at 405 lm. It replaces a 5w (25w equiv) 2700K, if I prefer the light quality of the newer one, I find it a little bit too strong for late evening and soon morning. I may swap with my wife's bedside table who is reading much more in bed then I do.

In my stock I found one with the lumen rate written on it : a 8w (35w equiv) 2700K rated at 290 lm.

For my parents in law's chandelier we bought 6x5w (25w equiv) 2700K rated at 180 lm.

Denis.

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Earth absorbs 1.8 t CO2/head/yr, while a French generates 6.2 t CO2/yr
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  • kg saved 06/08-08/09: 1816.9+382.9 (ecodriving / 1420mi not driven) = 2199.8
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    (2.66 kg/l diesel)
  • kg saved by 3kWc photo-voltaic solar panels : 187 kg/yr
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    (59.1 g/kWh)
Radioactive wastes saved by 3kWc photo-voltaic solar panels :
  • Long life (>100,000 years) : 2.85 g/yr (0.9 mg/kWh)
  • Short life (<300 years) : 31.7 g/yr (10.0 mg/kWh)
Based upon "official" French figures...
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