"Phisherman" wrote in message

A 60 watt lamp of any kind will generate 60 watts of heat.
A 100 watt lamp of any kind will generate 100 watts of heat.
Use a 60 watt fluorescent lamp, provided there is no dimmer on the
circuit.

For years we used "Watts" to talk about relative brightness of bulbs, With
new technologies, we should probably use Lumens. The ration of Watts?Lumens
varies considerably. My guess is that the OP is talking about an
equivalent, but we don't know that.