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I am a man without a furnace. My windows are insulated by 19 sheets of glass which cost less than installing a heating system.

"This much I know: Amory Lovins". Interview with Lucy Siegle, www.theguardian.com. March 23, 2008.
I am a man without a furnace. My windows are insulated by 19 sheets of glass which cost less than installing a heating system.