The Natural Philosopher wrote:
Another Dave wrote:
Mr Sandman wrote:
It strikes me that if we could extract more heat from the flue and
attach a fan like one you'd see on a fan assisted boiler, we get even
better heat output where its wanted and not up the chimeny. Ive not
seen anything on the market that does this...so do you think it'd be
worth experimenting with?

http://www.ecofan.co.uk/woodstove-ecofans.html

Another Dave


sure, but one of the attractions of a woodburner is that it doesn't need
electricity.

The adverts state SPECIFICALLY that the fans don't need batteries or
electricity but are powered by the heat of the stove.