"International Passive House Open Days" is an annual opportunity to visit Passivhaus and low energy buildings around the world. This year it is held between 9th and 11th November.
You can find a building near you from Passivhaus international's database here.
If you're in Japan, click here for information from Passive House Japan about buildings that are open.
If you're interested in visiting a non-certified Passivhaus in Matsumoto 9th or 10th November, please fill in this form.
