Coincidentally, from a couple days ago, here's an English language interview with the owner of a passive house in Karuizawa. There are also some general Japan-p

Coincidentally, from a couple days ago, here's an English language interview with the owner of a passive house in Karuizawa. There are also some general Japan-passive-house-related links in the article. https://www.rethinktokyo.com/2018/02/07/man-most-energy-efficient-house-japan/1517924026 https://www.rethinktokyo.com/2018/02/07/man-most-energy-effi...