On Nov 18, 1:43*am, Andy Dingley wrote:
On Nov 17, 10:06*pm, Tabby wrote:

All electric heating is 100% efficient.

No, some is more than 100% efficient. *If it's a big workshop,
expensive and you can afford the capital, heat pumps make as much
sense there as elsewhere.

hmm... when things get really cold, the effective efficiency of those
drops badly. Workshops spend most days unused, giving them not so good
payback. If you're going to use one, you'd get far better payback
using it in the house.


NT