[Greenbuilding] [Fwd: CFL bulbs]

[Keith Winston]

The one system I've seen out there that uses solar for fiberoptic 
lighting (sort of a remote light tube technology) uses 2-axis tracking 
collectors on their fiberoptic roof collector. Now, they couldn't have 
resorted to that complicated, expensive technology without due 
consideration, so I imagine that, to get sufficient solar insolation of 
your fiberoptics, you have to really work at it... I could find the 
links if anyone were unduly interested. Looked like an expensive and 
fragile system to me.

Keith


Donald Eyermann wrote:
>  Fiberoptics illuminated during the day by the SUN and at night use LED's.
> No energy use during the day in dark areas of your home where the sun
> doesn't reach. A simple sunlight concentrator on the roof (curved shinny
> material aimed at the fiberoptic bundle will amplify the sunlight....which
> exceeds halogen except in comparisons where the halogen is concentrated by
> the sun isn't. Try a comparison to concentrated sunlight....star power
> exceeds manpower....why not use it wisely...certainly a no-brainer)
>
> -----Original Message-----
> From: greenbuilding-bounces at listserv.repp.org
> [mailto:greenbuilding-bounces at listserv.repp.org] On Behalf Of David Bergman
> Sent: Thursday, January 03, 2008 4:14 PM
> To: Donald Eyermann; 'Reuben Deumling'
> Cc: greenbuilding at listserv.repp.org; 'Curt Sommer'
> Subject: Re: [Greenbuilding] [Fwd: CFL bulbs]
>
> I've had running debates on whether fiber optics should be considered an
> energy saving technology or not. The fiber optic tubes are not, in
> themselves, light sources; they are just transmitters. So it seems to me
> that the energy efficiency lies in the light source (daylight or metal
> halide or whatever) and how the light is dispersed by the fiber optics.
>
> A fiber optic system, it seems to me, with a halogen or (egads) an
> incandescent light source, is still an inefficient light source.
>
> David Bergman
> DAVID BERGMAN ARCHITECT / FIRE & WATER LIGHTING + FURNITURE architecture .
> interiors . ecodesign . lighting . furniture
> bergman at cyberg.com    www.cyberg.com
> 241 Eldridge Street #3R, New York, NY 10002
> t 212 475 3106    f 212 677 7291
>
> At 06:06 PM 1/3/2008, Donald Eyermann wrote:
>   
>> I'm meeting with Dillon Randall who owns EFO Fiber Optics Lighting 
>> Company tomorrow...a referral. I'll let you know what we come up with. 
>> We're brain storming new "stuff".
>>
>>   _____
>>
>> From: Reuben Deumling [mailto:9watts at gmail.com]
>> Sent: Thursday, January 03, 2008 3:47 PM
>> To: Donald Eyermann
>> Cc: Curt Sommer; greenbuilding at listserv.repp.org
>> Subject: Re: [Greenbuilding] [Fwd: CFL bulbs]
>>
>>
>> can you drop some names on either LEDs or fiber optics for residential
>>     
> uses?
>   
>> Who is selling this sort of thing?  Thanks very much.
>>
>>
>> On Jan 3, 2008 2:45 PM, Donald Eyermann < zeroenergy at cox.net 
>> <mailto:zeroenergy at cox.net> > wrote:
>>
>>
>> Another new thing for daylight sun lighting inside the home is Fiber 
>> Optics
>>
>>   _____
>>
>> From: Reuben Deumling [mailto:9watts at gmail.com]
>> Sent: Thursday, January 03, 2008 3:17 PM
>> To: Donald Eyermann
>> Cc: Curt Sommer; greenbuilding at listserv.repp.org
>> Subject: Re: [Greenbuilding] [Fwd: CFL bulbs]
>>
>>
>> How does daylighting compare to LEDs? Is anyone aware of attempts to 
>> compare these? I suspect both are pricey...
>>
>> Reuben Deumling
>>
>>
>> On Jan 3, 2008 2:10 PM, Donald Eyermann < zeroenergy at cox.net 
>> <mailto:zeroenergy at cox.net> > wrote:
>>
>>
>> We're installing LED lights in our "Zero Energy Lifestyle" efficient homes.
>> Several sources are available, they are considered "expensive"...but 
>> many people own Quads and other pricey toys.
>>
>>
>>
>>
>>
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