Passive Houses are supertight, well-ventilated, heavily-insulated buildings that require up to 90% less energy for heating and cooling. The movement, which began in Germany over 20 years ago, is slowly spreading in the United States, and in Brooklyn in particular. In this video, Brooklyn Independent Television invites you to get an inside look at three Passive House retrofits in the BK that show how even landmarked brownstones can get energy-efficient makeovers, preserving the past with an eye towards a sustainable future.

+ Brooklyn Independent Television

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