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Hagen-Niehaus SIP Net Zero

2014 SIPA Building Excellence Honorable Mention

Designer: Structures NW

Builder: Dorris Construction

Manufacturer: Premier Building Systems


  • 6-inch SIP wall with additional 2x4 interior wall with additional insulation, 12-inch SIP roof
  • ENERGY STAR and Earth Advantage certifications
  • HERS Index 22, with photovoltaics HERS Index is -22
  • Passive solar design and solar thermal hot water heating
  • All LED lighting
  • Greywater recovery system for landscape irrigation

Builder Information

Dorris Construction

Panels manufactured by Premier Building Systems.

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