I think the shortest life for CFL is 10000h, so 7 years is around 4h per day. I don't remember about the number of switch-on of CFL.
I saw some 15000h CFL last week but they were twice the price of 10000h.
The only broken CFL I saw by now is one which broke while we moved 2 years ago. I don't remember if I had CFL 7 years ago before our previous move, so this broken CFL had between 3 and 5 years. Our older CFL are where we switch on light less often, or in stock as we are changing the old 2700°K by 6500°K where we switch on light more often.
Denis.
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Earth absorbs 1.8 t CO2/head/yr, while a French generates 6.2 t CO2/yr To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts.- kg saved 06/08-08/09: 1816.9+382.9 (ecodriving / 1420mi not driven) = 2199.8
To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts. (2.66 kg/l diesel)
- kg saved by 3kWc photo-voltaic solar panels : 187 kg/yr
To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts. (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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