permaculture

["John Marshall" <john@godolphinhill.com>]

A couple of requests for information:

1. Are there any design details available for Russian Stoves, or even for
Kachelofen types of logburners?

2. Has anyone done the sums comparing the energy cost of using a woodchipper
compared to the energy savings of using a wood chip burning heater? I'm
always a bit worried about this and so use logs, hand sawn!
I do grow the wood myself, so it's carbon neutral, or nearly so.

John Marshall