The knowledge database Passipedia is a service of the Passive House Institute. A great deal of information and articles are available free of charge. If you are interested in more in-depth articles, you can register and receive access. Members of the IG Passivhaus, Passivhaus Austria and partner organizations of iPHA have unlimited access to a variety of in-depth technical articles, videos and tools on the subject of Passive House.

You are already a member of IG Passivhaus, Passivhaus Austria or iPHA? To read this technical article, simply log in under “Login” with your access data for iPHA / Passipedia.

Not a member yet? We would love to welcome you to the Passive House Network! You can become a member of your local iPHA Affiliate organization and get two memberships for the price of one. If there is no iPHA Affiliate in your region, consider becoming an iPHA member directly with iPHA.

This gives you access to all the national and international offerings of these networks. As a member, you not only get unlimited access to technical articles on Passipedia, you also benefit from other advantages, including regular newsletters, free webinars, discounts on events and Passive House planning tools, and much more.


Enter your username and password in the form below to log in. The credentials for Passipedia are identical to your iPHA access. Please note that this requires “cookies” to be allowed in your browser's security settings.

You are already an iPHA member and forgot your password? Reset password

Log In