Is a Chimney Balloon the same as a Chimsoc?
“Most emphatically not!” sputtered Chimney Balloon inventor David Woodman indignantly, when I phoned him up to ask him. It seems I had stumbled upon a story of betrayal, subterfuge and rivalry in the little-known world of chimney draught excluders. Innovative design David Woodman invented the Chimney Balloon back in 1989. He was an engineer and …