Scott Ventura ([info]tfofurn) wrote,
@ 2007-10-28 22:32:00
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Entry tags:business models, lazyweb, shopping

The Move to More Efficient Lighting
While standing in Oft-Maligned Big Box Store today, I noticed that they're pushing compact fluorescent lights quite heavily. I'd read some time back that they're striving to push consumers in that direction. They're making a good effort, including informative signage and packaging. Stores selling CFL have a lot to gain. If it's true that a $3 bulb can save the consumer $57 in energy bills and another $6 in replacements over the life of a CFL, that's theoretically $50 more the consumer has to spend at OMBBS!

I've been using CFLs in my basement for a while now, and they're fine there, but I have a few outstanding issues before I deploy elsewhere. If anyone has prior experience, please enlighten (ha!) me.

1. CFLs aren't suitable for applications which require dimming. That's at least five places in my house. Has anyone used anything else? Has anyone seen dimmable CFLs?

2. Apparently, phosphor technology is improving to the point that CFLs are no longer undesirably harsh or blue. Has anyone found applications where the color temperature difference is unacceptable? I'm thinking in particular of bathroom vanity lighting, for example.

3. Can anyone think of a reason I shouldn't use CFLs in my garage door opener? I think it uses a relay so the lights are always full on or full off.



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[info]alynch
2007-10-29 03:04 am UTC (link)
I've used CFLs exclusively for 2 years now...

1) They do make dimmable CFLs- they're a bit more expensive. Take a gander at Home Despot's selection.

2) Today's CFLs work everywhere that the bulb will fit. Vanity lighting can be iffy. The light is perfectly fine, in my book.

3) I put CFLs in my folks' garage door openers. No problems at all.

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[info]reynold
2007-10-29 10:54 am UTC (link)
1) Don't know if they make them.

2) I've had no problems, been using them in the vanity, above the stove, etc.

3) Use them in my garage door openers and they work great!

About the only problem I have s depending on the brand you get, some take a couple seconds longer to reach full brightness in cold weather. You can find ones that work well in the cold though. Even if they don't give full brightness, they do give decent light and warm up quickly (These are ones I use in my patio lights).

Brought to you through the body of one of our cats who likes to now sit on the desk in front of the monitor, thus blocking my view of what i type.

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[info]jeremyb
2007-10-29 12:40 pm UTC (link)
I have found ones that are both dimmable, instant on, and 'yellow' in color. IE, they act just like incadescent bulbs. This was 2-3 years ago, so I'm sure they've improved since then, but I think they were Sylvania brand builds. Philips is good too.

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[info]jpmccusker
2007-10-29 05:34 pm UTC (link)
We've been moving to CFLs, and have been spending lots of time finding the right bulbs. There's a 5400 degree bulb line at Home Depot, and a dimmable bulb in the soft white (i.e. yellow), but overall, I haven't seen a need for dimming except over the kitchen table, and there we have weaker bulbs than we had, so dimming isn't really needed.

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[info]tfofurn
2007-10-29 06:28 pm UTC (link)
In the case of my upstairs hall, I really need the low light output so it works as a night light. In the other places, I just want to leverage my existing X10 infrastructure. They warn rather strongly that they should only be used with incandescents, but that warning is seven years old.

Lowe's is a lot closer than Home Depot, but I guess I should do due diligence and check both.

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CFLs - LEDs?
[info]nweich
2008-03-17 08:45 am UTC (link)
1. Yeah they should have dimmables...

2. Just pick ones with warm color temps - at least in Europe they have them in all temperatures and sizes/shapes for most applications, including where the lightbulb is exposed

3. Did you know that CFL's life span will shorten significantly with frequent on/off cycles? That's why I would use them in places where the light usually stays on for at least a short while... (probably NOT the garage door opener)

Last year I ordered a bunch of warm-white LEDs-based bulbs. Unfortunately, the output was too low for where I needed them. They are excellent as night lights though...

Bulbs
http://home.search.ebay.com/led_Lamps-Lighting-Ceiling-Fans_W0QQ_trksidZm37QQcatrefZC12QQfromZR40QQfrtsZ50QQsacatZ20697
Nightlights
http://home.search.ebay.com/led-night-light_Night-Lights_W0QQ_trksidZm37QQcatrefZC12QQdfspZ32QQfromZR40QQftrtZ1QQftrvZ1QQsabfmtsZ1QQsacatZ20702QQsaobfmtsZinsif

I read that LEDs are also more environmentally friendly in terms of the resources needed to produce/recycle. CFLs contain a tiny but significant amount of mercury... not good for the normal household trash. So, ideally bring them to a proper recycling location.

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