I have some mass too btw.
Seeing temps go from 800° C to 48° C at chimney exit :Check: .
Besides that small-medium I have, most houses are insulated enough these days to not need crazy big rocket stove benches etc..
nostr:nevent1qvzqqqqqqypzp22rfmsktmgpk2rtan7zwu00zuzax5maq5dnsu5g3xxvqr2u3pd7qy88...