In article ,
Huge wrote:
At the end of the day, they're all around the 2 - 2.5kW mark. I can't
see how the warmup times would improve that markedly.

Me neither. But it was nonethless significant.

Better insulation and less thermal mass etc?

--
*Procrastination is the art of keeping up with yesterday.

Dave Plowman London SW 12
RIP Acorn