Passive Houses

Homes that use “recycled heat” to heat themselves are becoming popular in Germany and Scandinavia.

I wonder if this really works, or if people just walk around their houses in slankets all the time.

  Your Reaction?

    Starting soon, you'll only be able to post a comment on BuzzFeed using a Facebook account or via our app. If you have questions or thoughts, email us here.

    Hot Buzz

    Trump’s Nominee For Navy Secretary Has Dropped Out

    29 Reasons You Should Actually Be Proud Of Australian Movies

    Now Buzzing