MAIL: Passivhaus


Thank you for the article on “Passivhaus in Chapel Hill” (HP152) showing how amazing new technologies and building materials can be incorporated into elegant design. The article also provides some history on Passive House design, which I read with interest.

I think some of the credit should also go to some Canadians working on this idea in the 1970s. According to Canadian Geographic  magazine, one of the first passive houses was built in Saskatchewan in 1977. The Saskatchewan Conservation House had three elements—super-insulation, extreme airtightness, and a heat-recovery ventilator.

Thanks for a great magazine. One day I hope to build my own version of the Passivhaus in northern Alberta!

Kate Morrison • via email

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