Regarding 6 - this strikes me as not being a million miles off from using radiant heating methods to warm individuals. Would be very unusual to have in a house

Regarding 6 - this strikes me as not being a million miles off from using radiant heating methods to warm individuals. Would be very unusual to have in a house but you sometimes see them in churches in the UK and Europe where heating the space isn’t feasible. Regarding 4 - https://www.granddesignsmagazine.com/grand-designs-houses/grand-designs-self-heating-house/ https://www.granddesignsmagazine.com/grand-designs-houses/gr...