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<DIV><FONT face=Arial size=2>Hi Ian,</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>Lighting is an important wrench design issue,
but I don't want to sound like I am bitching about CFLs so this is my last post
on this subject.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>There are lots of lighting choices. Our home
office is lit with full spectrum fluorescent tubes. Our den has mixed CFLs
and incandescents that give us the fast brightness and light quality
that we want. We did not like the CFLs in our kitchen so
we gave them away. We haven't given up on CFLs. We want lights that are
reliable, long-lasting, illuminate quickly, render color pleasantly, emit
little waste heat, are reasonably priced, do not foul the environment, have
reasonable life-cycle cost, reduced embedded energy, etc.and are open to
suggestions.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>Best regards,</FONT></DIV>
<DIV><FONT face=Arial size=2>Joel Davidson</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
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<DIV style="FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV
style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><B>From:</B>
<A title=ian.woofenden@homepower.com
href="mailto:ian.woofenden@homepower.com">Ian Woofenden</A> </DIV>
<DIV style="FONT: 10pt arial"><B>To:</B> <A
title=re-wrenches@lists.re-wrenches.org
href="mailto:re-wrenches@lists.re-wrenches.org">RE-wrenches</A> </DIV>
<DIV style="FONT: 10pt arial"><B>Sent:</B> Tuesday, December 09, 2008 4:31
PM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> Re: [RE-wrenches] CFL lighting
and the mercury hazard.</DIV>
<DIV><BR></DIV>
<DIV><BR></DIV>
<DIV>Hi Joel,</DIV>
<DIV><BR></DIV>
<DIV>(Michael, should this go to RE-Bitching or something?)</DIV>
<DIV><BR></DIV>
<DIV>I wonder if you are encouraging your clients to use incandescents.</DIV>
<DIV><BR></DIV>
<DIV>CFLs are not perfect, but they are a big step forward.</DIV>
<DIV><BR></DIV>
<DIV>And there is certainly a wide variety of quality. Saying that CFLs are
poor quality is like saying "cars are poor quality" -- ignoring the difference
between a Hyundai and a Tesla (or something).</DIV>
<DIV><BR></DIV>
<DIV>Also, light quality is very subjective. Some people like light on the
2700 Kelvin end of the range ("warm" yellow) and others on the 6000 Kelvin end
("cool" white).</DIV>
<DIV><BR></DIV>
<DIV>Personally, I think the fact that the brighten up slowly is a wonderful
feature. I'm glad the days of delay and blink are pretty much gone
though.</DIV>
<DIV><BR></DIV>
<DIV>If we are not promoting (good quality) CFLs (with wattage and color
temperature appropriate to the client's situation and taste), we are promoting
3 to 4 times the energy use and PV system size. Hmm.</DIV>
<DIV><BR></DIV>
<DIV>Best,</DIV>
<DIV><BR></DIV>
<DIV>Ian</DIV>
<DIV><BR></DIV>
<DIV><BR></DIV>
<BLOCKQUOTE cite="" type="cite"><TT><FONT size=-1>Some more added thoughts.
I am all for reducing lighting electrical consumption, but only if the
"improvement" is somehow better, faster, cheaper.</FONT></TT></BLOCKQUOTE>
<BLOCKQUOTE cite="" type="cite"><TT><FONT size=-1> Almost all CFLs have
poor light quality and take time to brighten up to full intensity. Also, if
you don't like mercury, then thank the Bush administration for changing the
Clean Air Act mercury limit from 5 tons to 26 tons per
year for power plants. Sleaze like that travels all the way up and down
the mercury supply line.</FONT></TT><BR>
<BLOCKQUOTE>----- Original Message -----</BLOCKQUOTE>
<BLOCKQUOTE><B>From:</B> <A
href="mailto:peter.parrish@calsolareng.com">Peter Parrish</A></BLOCKQUOTE>
<BLOCKQUOTE><B>To:</B> <A
href="mailto:re-wrenches@lists.re-wrenches.org">'RE-wrenches'</A></BLOCKQUOTE>
<BLOCKQUOTE><B>Sent:</B> Tuesday, December 09, 2008 12:09 PM</BLOCKQUOTE>
<BLOCKQUOTE><B>Subject:</B> Re: [RE-wrenches] CFL lighting and the mercury
hazzard.</BLOCKQUOTE>
<BLOCKQUOTE><BR></BLOCKQUOTE>
<BLOCKQUOTE><FONT face="Times New Roman" color=#000000>Carl is correct. I
would add two thoughts. We have been buying CFLs from Home Depot, Ikea and
we have been getting freebies from the Los Angels Department of Water and
Power. Both the Ikea and freebies fail in 1-2 years, so the story about
5-7 years life is a WAG. Second, let’s all hold our collective breath:
LEDs will rule the illumination market fairly soon just as they have
conquered the indication market for many years now. It would be great if
anyone has accumulated some lifetime statistics on LED
lighting.</FONT></BLOCKQUOTE>
<BLOCKQUOTE> </BLOCKQUOTE>
<BLOCKQUOTE><FONT face="Times New Roman" color=#000000>-
Peter</FONT></BLOCKQUOTE>
<BLOCKQUOTE> </BLOCKQUOTE>
<BLOCKQUOTE><TT><FONT color=#000080 size=-1>Peter T. Parrish, Ph.D.,
President<BR>California Solar Engineering, Inc.<BR>820 Cynthia Ave., Los
Angeles, CA 90065<BR>Ph 323-258-8883, Mobile 323-839-6108, Fax
323-258-8885<BR>CA Lic. 854779, NABCEP Cert.
031806-26<BR>peter.parrish@calsolareng.com</FONT></TT></BLOCKQUOTE>
<BLOCKQUOTE>
<HR SIZE=2>
</BLOCKQUOTE>
<BLOCKQUOTE><FONT face=Tahoma size=-1><B>From:</B>
re-wrenches-bounces@lists.re-wrenches.org
[mailto:re-wrenches-bounces@lists.re-wrenches.org]<B> On Behalf Of</B>
Carl Emerson<BR><B>Sent:</B> Tuesday, December 09, 2008 11:58
AM<BR><B>To:</B> 'RE-wrenches'<BR><B>Subject:</B> [RE-wrenches] CFL
lighting and the mercury hazzard.</FONT></BLOCKQUOTE>
<BLOCKQUOTE> </BLOCKQUOTE>
<BLOCKQUOTE><TT><FONT color=#0000ff>Hi there,</FONT></TT></BLOCKQUOTE>
<BLOCKQUOTE> </BLOCKQUOTE>
<BLOCKQUOTE><TT><FONT color=#0000ff>We have for years been advocating the
use of energy efficient Compact Fluorescent Lighting (CFL) to reduce loads
and reduce system cost.</FONT></TT></BLOCKQUOTE>
<BLOCKQUOTE> </BLOCKQUOTE>
<BLOCKQUOTE><TT><FONT color=#0000ff>A recent study by DEP in Maine has
raised the alarm about mercury poisoning form these bulbs. If there is a
breakage the resulting levels of mercury on the floor of the house are
well above acceptable limits. Secondly there seems to be little serious
effort to safely recycle these bulbs in a manner that keeps the mercury
out of the eco system.</FONT></TT></BLOCKQUOTE>
<BLOCKQUOTE> </BLOCKQUOTE>
<BLOCKQUOTE><TT><FONT color=#0000ff>I understand that LED lamps are
mercury free. This would seem to be a much safer
alternative.</FONT></TT></BLOCKQUOTE>
<BLOCKQUOTE> </BLOCKQUOTE>
<BLOCKQUOTE><TT><FONT color=#0000ff>While many of us have mercury amalgams
in our mouth the mercury is supposedly in a form that is not significantly
ingested, whereas the mercury in a CFL is in vapour form when hot and
powder form when cold, and therefore can pose a hazard to
health.</FONT></TT></BLOCKQUOTE>
<BLOCKQUOTE> </BLOCKQUOTE>
<BLOCKQUOTE><TT><FONT color=#0000ff>Can I suggest some discussion on this
and can we do our best to keep it scientific, I don’t mean to spread
emotional alarm without due cause.</FONT></TT></BLOCKQUOTE>
<BLOCKQUOTE> </BLOCKQUOTE>
<BLOCKQUOTE><TT><FONT color=#0000ff>Thanks,</FONT></TT></BLOCKQUOTE>
<BLOCKQUOTE> </BLOCKQUOTE>
<BLOCKQUOTE><TT><FONT color=#0000ff>Carl Emerson</FONT></TT></BLOCKQUOTE>
<BLOCKQUOTE><TT><FONT color=#0000ff>Free Power Ltd.</FONT></TT></BLOCKQUOTE>
<BLOCKQUOTE><TT><FONT color=#0000ff>Auckland N.Z.</FONT></TT></BLOCKQUOTE>
<BLOCKQUOTE>
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</BLOCKQUOTE>
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<DIV><BR></DIV><X-SIGSEP><PRE>--
</PRE></X-SIGSEP>
<DIV>Ian Woofenden <ian.woofenden@homepower.com>, Senior Editor, Home
Power magazine<BR>Subscriptions: $24.95 per year PO Box 520, Ashland, OR 97520
USA 800-707-6585 (US), 541-512-0220<BR>or download free sample issue at
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