Passivhaus movement catches on


From Germany and Austria, the Passivhaus movement of airtight, super-insulated houses is catching on in the Portland area.

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From Germany and Austria, the Passivhaus movement of airtight, super-insulated houses is catching on in the Portland area.

Potentially, a passive house can be heated by using a hairdryer or baking a potato.

The concept is simple: insulate a house so well that it’s airtight, then heat it with a small electric heater or heat exchange pump. The result: potential energy savings of more than 70 percent.

The thought that a house can be so sensitive to tiny inputs of heat – including body heat – is mind boggling if you come from a furnace culture, where drafty wooden houses and chilly basements are the norm.

Read more at The Portland Tribune.

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