Re: OT: Avoid Flu Shots..
- From: don@xxxxxxxxxxxxxx (Don Klipstein)
- Date: Mon, 13 Jul 2009 19:06:27 +0000 (UTC)
In article <pan.2009.07.13.18.26.00.137723@xxxxxxxxxxx>, Rich Grise wrote:
On Sat, 11 Jul 2009 15:56:46 +0000, Don Klipstein wrote:
<SNIP to edit for space>
Many CFLs are available for about $2. Even if 100% of that cost is^^^^^^^^^^^^^^
energy, nothing for taxes, insurance/liability, etc. that is about .03
barrel of petroleum. That equates to around 20 KWH at typical efficiency
of generating and delivering electricity. Replacing a 60 watt
incandescent with a 20 watt CFL saves twice that much even should the CFL
only last as long as the incandescent.^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
I've never seen one even _approach_ the life of an incandescent. The
most life I've ever gotton from one of those pieces of crap has
been about three months.
I have illuminated my home almost entirely with CFLs since 1990. My
experience is that most last between 60% and 90% of their claimed life.
The ones lasting less in my experience were:
1) Dollar store stool specimens of brands found mainly in dollar stores
2) Quite a few by Lights of America (I largely stopped using those in
2001)
3) One GE 25 watt spiral model that appeared to be from a bad production
run around 2001, and appearing to me to be like a Lights of America 25
watt model that I had bad experience with
4) Ones with built-in glow-switch starters when used in a bathroom
(average life around 1500 hours)
Outside my home, I find most premature CFL failures to be along these
lines, although in addition to ones overheating in small enclosed fixtures
and recessed ceiling fixtures. There are CFLs rated to take the heat of
such spaces, however. Also, my experience is that CFLs under 15 watts
usually hold up well in such spaces even if they are not rated to.
So you use six times as many (if you're foolish enough to continue
to spend money on crap), and all of that mercury and lead end up in
the landfill.
- Don Klipstein (don@xxxxxxxxx)
.
- References:
- OT: Avoid Flu Shots..
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