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Flourescent bulbs at low temperatures? Jonathan Sachs 07-13-2006
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Posted by Jonathan Sachs on July 13, 2006, 12:04 pm
There's a light on the the landing outside my back door (second floor
of a three-flat) which is useful for lighting the steps when I come
home in the dark. Since I must turn the light on before I leave so
that it will be on when I return, I would like to save electricity by
replacing the incandescent bulb with a screw-in fluorescent tube. I
wonder whether those tubes are safe and effective to use at very low
temperatures. I live in Chicago, where the annual low temperature is
typically -15 to -20° Fahrenheit.

Posted by on July 13, 2006, 12:43 pm
On Thu, 13 Jul 2006 16:04:54 GMT, Jonathan Sachs

>There's a light on the the landing outside my back door (second floor
>of a three-flat) which is useful for lighting the steps when I come
>home in the dark. Since I must turn the light on before I leave so
>that it will be on when I return, I would like to save electricity by
>replacing the incandescent bulb with a screw-in fluorescent tube. I
>wonder whether those tubes are safe and effective to use at very low
>temperatures. I live in Chicago, where the annual low temperature is
>typically -15 to -20° Fahrenheit.
They are usually not a good choice in cold weather. You can start with
the CFL for now and swap it out when it gets too cold to light.

Posted by on July 14, 2006, 8:02 am
On Thu, 13 Jul 2006 12:43:50 -0400, gfretwell@aol.com wrote:

>On Thu, 13 Jul 2006 16:04:54 GMT, Jonathan Sachs
>
>>There's a light on the the landing outside my back door (second floor
>>of a three-flat) which is useful for lighting the steps when I come
>>home in the dark. Since I must turn the light on before I leave so
>>that it will be on when I return, I would like to save electricity by
>>replacing the incandescent bulb with a screw-in fluorescent tube. I
>>wonder whether those tubes are safe and effective to use at very low
>>temperatures. I live in Chicago, where the annual low temperature is
>>typically -15 to -20° Fahrenheit.
>They are usually not a good choice in cold weather. You can start with
>the CFL for now and swap it out when it gets too cold to light.

That's what I do in my garage. I use the garage much more in warm
weather anyhow.

Posted by Joseph Meehan on July 14, 2006, 9:24 am
########@aol.com wrote:
> On Thu, 13 Jul 2006 12:43:50 -0400, gfretwell@aol.com wrote:
>
>> On Thu, 13 Jul 2006 16:04:54 GMT, Jonathan Sachs
>>
>>> There's a light on the the landing outside my back door (second
>>> floor of a three-flat) which is useful for lighting the steps when
>>> I come home in the dark. Since I must turn the light on before I
>>> leave so that it will be on when I return, I would like to save
>>> electricity by replacing the incandescent bulb with a screw-in
>>> fluorescent tube. I wonder whether those tubes are safe and
>>> effective to use at very low temperatures. I live in Chicago,
>>> where the annual low temperature is typically -15 to -20°
>>> Fahrenheit.
>> They are usually not a good choice in cold weather. You can start
>> with the CFL for now and swap it out when it gets too cold to light.
>
> That's what I do in my garage. I use the garage much more in warm
> weather anyhow.

Most of the CFs I see available today are rated for cold weather. Look
on the packing and some will indicate either a general note that they will
work in cold conditions or will list a minimum temperature.

--
Joseph Meehan

Dia duit



Posted by nhurst on July 13, 2006, 12:48 pm

Jonathan Sachs wrote:
> There's a light on the the landing outside my back door (second floor
> of a three-flat) which is useful for lighting the steps when I come
> home in the dark. Since I must turn the light on before I leave so
> that it will be on when I return, I would like to save electricity by
> replacing the incandescent bulb with a screw-in fluorescent tube. I
> wonder whether those tubes are safe and effective to use at very low
> temperatures. I live in Chicago, where the annual low temperature is
> typically -15 to -20=B0 Fahrenheit.

In addition to what the other poster said, I would recommend looking
into one of those screw-in light sensing sockets. That way it won't
burn all day, only when it gets dark out.

-Nathan


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