Dear Teddy
Generally speaking the locally made ones are poorly designed, leaky and have a power spectrum and controllability that meets the local demand. People also know how to use them. In Ulaanbaatar the artisanal stoves last from 5 to 10 years but highly variable. They are quite good wood stoves, for which the brick lining is removed. If we could reliably get harder, smaller coal (size sorted) some could operate for 12 hours without attention. All the new (subsidized) ones are well made. They have to fix them free for the first two years under warranty and so on. Several run way too hot so they won't last 5 years. People generally want huge cooking and heating power. Regards Crispin Interesting discussion, sorry if this is a bit off the point but has anyone done or heard of any new life cycle analysis research on the manufacturing and distribution aspects of new stoves vis-a-vis the ones made in brand new in factories as opposed to the ones made by hand at a village level with recycled materials? What impacts of localized pollution does this have do you think? Teddy
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