wrote in message
oups.com...
Why aren't kettles highly insulated?

I was distracted by the phone this morning and kettle had cooled a bit
before I poured my cuppa.

Made me think how convenient and energy efficient kettles would be if
they could keep the water in them near boiling for some time.

Forget the insulation. An energy efficient kettle is the one that is
controlled properly by the user. This requires only boiling the required
amount of water that is needed and not over filling. For the very few times
you are interupted in making a cup of tea the heat loss is irrelevant.

Adam