[Message Prev][Message Next][Thread Prev][Thread Next][Message Index][Thread Index]

Re: LED lighting

Subject: Re: LED lighting
From: AZ Nomad <aznomad@xxxxxxxxxxxxxx>
Date: Tue, 07 Mar 2006 02:56:15 GMT
Newsgroups: comp.home.automation
References: <120ml223403q516@xxxxxxxxxxxxxxxxxx> <aKidnZLYpeWNwZbZnZ2dnUVZ_sOdnZ2d@xxxxxxxxxxx> <slrne0nbm5.tk2.aznomad@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx> <2DOOf.144$s82.21809@xxxxxxxxxxxxxxx> <slrne0nf21.tk2.aznomad@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx> <473ob9Fde9jbU1@xxxxxxxxxxxxxx>

On Mon, 06 Mar 2006 22:36:34 +0100, Markus Baertschi <markus@xxxxxxxxxx> wrote:


>AZ Nomad wrote:
>>> How much of the power for an incandescent is turned into heat?
>> I would guess less than 98%.
>>
>>> How much for a bunch of LEDs?
>> More than 0%?

>I hate to disappoint you, but LED's are not much more efficient than
>incandescent lightbulbs. Both get are up to 20Lumens/Watt. Why do you
>think a 5W Lumiled needs a heatsink ? Most of it is pure marketing hype
>of vendors selling expensive LED lights.

I was simply refuting the idea that LEDs are 60 times more efficient.

References:
- LED lighting
  - From: Jon Juhlin
- Re: LED lighting
  - From: Jim Baber
- Re: LED lighting
  - From: AZ Nomad
- Re: LED lighting
  - From: AZ Woody
- Re: LED lighting
  - From: AZ Nomad
- Re: LED lighting
  - From: Markus Baertschi

Prev by Message: Re: Build your own Web Server / Gateway for $220 or less.
Next by Message: Re: Power Supplies, Saving Money, and switching vs. Linear?
Previous by thread: Re: LED lighting
Next by thread: Re: LED lighting
Index(es):
- Message
- Thread

comp.home.automation Main Index | comp.home.automation Thread Index | comp.home.automation Home | Archives Home