In general, compact fluorescents with tubing diameter 10 mm (.4 inch) in
diameter or narrower start up noticeably dimmer than "full blast" at room
temperature, and need roughly half a minute (sometimes a couple minutes)
to warm up to full brightness. Same for ones that normally experience a
large temperature rise despite larger tubing, such as Lights of America
65 watt "Fluorex". In cold conditions, they start even dimmer.
If the light is only going to be on for a couple minutes at a time, I
would not be concerned about energy efficiency. For one thing, starting
causes wear on a fluorescent lamp usually equivalent to a few minutes or
more of continuous operation.
Compact fluorescents tend to resist vibration better than "standard"
incandescents do, but there are vibration-resistant incandescents. Just
beware, they are a little dimmer than standard incandescents of the same
wattage. I have even seen ones marketed for garage door opener duty,
although it appears to me that any incandescent noted as "vibration
resistant", "shock resistant", "rough duty" or "industrial duty" should
work ("commercial service" may only mean longer life expectancy and not
vibration resistance). Also, ones with C-shaped filaments with multiple
supports should generaly be vibration resistant.
- Don Klipstein ( email@example.com)
I doubt that it would be a good choice. This is a place where the
standard garage door light is best.
It is on for only short times (not good for fluorescent)
it is often cold (not good for fluorescent)
It has unknown possible problems with the vibration
The light generally takes a little while to get to full brightness.
They many not physically fit the fixture.
I have had some twin tube 9 watters in my garage door opener for over 8
years. These are not the spiral ones that are seen in the stores.
Similar to these
I do not use the garage door lights for anything other than general
lighting. I have an 8 foot 2 tube fixture that provides most of the lighting
when I need it.
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