Jim Thompson wrote:
On Mon, 30 Jul 2012 10:15:48 +1000, "David Eather"
wrote:

Technically the incandescent. The both consume 40 watts but the
halogen is more efficient at converting power to light (and hence
not to heat). I said 'technically' because you are unlikely to
notice the difference in heat.

My thoughts, too. I have a fixture rated for three 40W miniature base
incandescents, presently loaded with three 40W Halogens. My
temptation is to go up to three 60W Halogens.

But everybody has heard about low-power halogn floor lamps falling over and
starting fires, and their power is in the same common range of 40-100W.
Those things do get hotter than incandescents, and not just because the heat
is concentrated in a smaller bulb since the whole lamp head gets hot. This
is just based on my sense of touch of course but they seem to run hotter.


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