On Tue, 29 Nov 2011 10:39:29 -0500, Tony Miklos
wrote:

On 11/28/2011 7:02 PM, HeyBub wrote:
DerbyDad03 wrote:

Even though all electric heaters are 100% efficient, one type vs.
another could be cheaper to operate, right?


Obviously 100% of 2 kW is going to cost less than 100% of 5 kW over
the same time period, but how does one compare the various types of
heaters to determine the operating cost?

For electric heaters, it's easy. Compare the amperage.

No, compare the wattage.
which, at the same voltage, is the same thing (being a straight
resistive load)