"Dave Plowman (News)" wrote:
In article ,
Huge wrote:
I'd like to replace the bulb in our lobby with a CFL, but it's a
glass globe fitting, with no ventilation - filament bulbs last
noticeably less time in that fitting than others. Are CFLs reasonably
resistant to heat? I guess I could replace the fitting, too, but
that lengthens the pay-back time even more.

Since they are more efficient they produce far less heat so in
practice will be suitable for nearly any enclosure they will fit.

Umm - no.

They produce less heat.

However, they are far, far more vulnerable than filliment bulbs to the
heat they do produce.

If the life of filliment bulbs is affected by the enclosure, it's
probable that CFLs will be even worse affected.

However, at 49p/1 pound each, it's not impossible that it is
economically worth it - after all it's only 2 months life at 8 hours a
day.

More important may be the fact that it may be awkward to change the
bulb.