CFL follow-up [RE-wrenches]

Bill Loesch solar1online at charter.net
Tue Aug 28 15:48:38 PDT 2007


Why are we not including a discussion about LED lighting?

The stuff already appears in the trade catalogs and, on a limited scale, in
the consumer stores, too.

I thought one aspect of the RE-wrenches was to recognize _and promote_ the
better mousetrap when it became available.

Bill Loesch
Solar 1 - Saint Louis Solar

----- Original Message ----- 
From: "Jay Peltz, Peltz Power" <jay at asis.com>
To: <RE-wrenches at topica.com>
Sent: Tuesday, August 28, 2007 5:00 PM
Subject: Re: CFL follow-up [RE-wrenches]


>
> Hi David,
>
> Although I do use and recommend CFL's,
> most of them are sure junk,, poor light quality, slow to full bright
> and short lifespan.
>
> If we expect CFL's to become "normal"
> then they have to get better.
> jay
>
>
> On Aug 28, 2007, at 1:26 PM, David Brearley wrote:
>
> >
> > For some reason I decided that since the Home Depot CFLs are Energy
> > Star
> > rated, they can't be all that bad of a product.  Boy was I wrong.
> > One out
> > of 10 bulbs failed right out of the box.  All of the bulbs flicker
> > at start
> > up.  Even worse, all of the bulbs take about 3 minutes to ramp up
> > to full
> > output.  Once they are warmed up, the quality of the light is
> > better than it
> > was a couple years ago, but I wanted to take all the bulbs out 5
> > minutes
> > after they were installed.  Maybe if I just turn them on and off a
> > bunch
> > they will fail early?
> >
> > David
> >
> >
> > -----Original Message-----
> > From: Jeff Oldham [mailto:starpower4u at juno.com]
> > Sent: Tuesday, August 28, 2007 11:03 AM
> > To: RE-wrenches at topica.com
> > Subject: CFL follow-up [RE-wrenches]
> >
> >
> >
> > I've just learned some interesting CFL facts from LBNL via EBN:
> > 20% reduction in lamp life if on cycle is under 1 hr.
> > 70% reduction in lamp life if on cycle is 15 mins.
> > 85% reduction in lamp life if on cycle is 5 mins. (This brings it
> > close to
> > incandescent life)
> > Each switch cycle costs about 6 mins in lamp life.
> > LBNL suggests that you use CFL's where they will have on cycles of
> > 10 mins
> > or more.
> >
> > -jeff o.
> >
> >
> >> From the Solar, Wind and Hydro powered office of Jeff Oldham/
> >> Regenerative
> > SOLutions
> >
> >
> >
> > ______________________________________________________________________
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