Karuna House

Passive House, Minergie-P-ECO, LEED for Homes Platinum, and Earth Advantage Platinum certified

Designed by Holst Architecture, Built by Hammer & Hand

Net Positive Energy (site)


Foundation System

Built on geofoam, Karuna's foundation plays a key role in the home's performance.

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Wall Assembly

Super-insulated and airtight, Karuna's wall system carefully manages heat, air & moisture.

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Windows & Doors

Karuna's fenestration enables the house to meld high design with high performance.

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Mechanical Systems

Karuna's über-efficient mechanical systems guarantee superior comfort and air quality.

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High Performance Meets High Design

 

Designed by Holst Architecture and built by Hammer & Hand, the Karuna House is an exemplar of high design in high performance home building. Perched on a hilltop overlooking the vineyards of Yamhill County, Oregon, the home is the first green building in the world to earn Passive House (PHIUS+), Minergie-P-ECO, and LEED for Homes Platinum certifications. The client, a leading proponent of smart climate policy, pursued the project as a case study to compare the world’s most ambitious green building standards.

To achieve the three certifications and meet its net positive energy goals, the Karuna House combines an advanced building enclosure with optimized solar design to drive energy loads to very low levels. Remaining energy needs, including the charging of the client’s electric car, are readily provided by a solar photovoltaic array of less than 10 kilowatts. The project’s laser focus on energy performance (guided by its Passive House and Minergie-P components) is complemented by the broad sustainability and human health goals required by LEED and Minergie-ECO.

The home’s clean modernism and restrained palette help prove that high performance structures can rival the beauty of any building.

Minergie consulting by Intep.

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Karuna Passive House by Portland Home Builder Hammer & Hand
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Back of Karuna Passive House by Portland New Home Builder Hammer & Hand
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Entrance to Karuna Passive House
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Exterior Stairs at Karuna Passive House
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Open Living Space in Karuna Passive House
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Stairs in Karuna Passive House
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Kitchen and Dining Area in Karuna Passive House
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Mechanical Windows Closed at Karuna Passive House
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Mechanical Windows Half Opened at Karuna Passive House
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Mechanical Windows Open at Karuna Passive House
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Solar Panels at Karuna Passive House
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Side of Karuna Passive House by Portland New Home Builder Hammer & Hand
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Deck at Karuna Passive House in Yamhill County Oregon
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Exterior of Karuna Passive House by Portland Home Builder Hammer & Hand
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Karuna Passive House Exterior at Night
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