High-Performance

Bellevue Net Zero

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Design for a new single family house on a suburban lot at the end of a cul-de-sac. 4700 square feet, 5 bedrooms, 5 bathrooms, with a 600 square foot Accessory Dwelling Unit. A residential elevator will bring homeowners and guests up to the top level great room with its views to the southeast. Exterior siding to be stained cedar boards with rusty steel panels for an accent. Walls will be R-35 Structural Insulated Panels, windows will be triple glazed, and the roof has room for a huge 14kW solar array. This project is in the schematic design phase.

Cle Elum Cabin

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VELOCIPEDE architects designed this cabin for a professional couple and their two young sons as a weekend retreat – a place to unwind from their hectic life in the city and focus on family.  Thoughtfully perched on a steep hillside overlooking a small valley outside the town Cle Elum, Washington, this budget-conscious 1,400 square foot cabin has three-bedrooms, two-baths and a bonus loft/play area.  The main living/dining room is a double-height volume capped with an exposed wood ceiling supported by wood beams, all sustainably harvested FSC lumber. The property is in a Fire-Wise community, requiring all exterior finishes to be carefully chosen for fire resistance and surrounding vegetation to be cleared.  High on the owners’ wish list were a connection to nature, a large deck for entertaining, and a place for the children to take off their muddy shoes after romping in the woods.

Huff / Craven Net Zero House

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Design for a new net-zero-energy house including an airtight and superinsulated enclosure, heat recovery ventilation, and photovoltaic array.  Exposed beams in double height living room ceiling. Detached Accessory Dwelling Unit (DADU) wrapped in weathering steel with spiral stair inside.  Completed in summer 2018. 

Phantom Lake Passive House

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This water front home with lake views and covered decks off every major room is precertified as a Passive House. The project team applied best practices for energy efficiency, including superinsulation, extreme air tightness, triple glazed windows, radiant floor heating, heat pump mechanical systems, and a Heat Recovery Ventilator. Under construction, expected to be complete in autumn 2018.

Aamodt Passive House

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Fine Homebuilding HOUSES 2019 Best Energy Smart Home award winner (click for article)

New Passive House on a hilltop in Carnation, WA.  Three bedrooms, two baths with an attached four-car garage.  The aesthetics were inspired by rural barns which created an efficient building form to achieve the Passive House standard. This project was built by the homeowners themselves over the course of five years.

Net positive energy is achieved through super insulation, triple glazed windows, rigorous air sealing, a Heat Recovery Ventilator,  solar hot water, and PV panels.  The 8,800 gallon tank collects rain water from the roof to supply 100% of potable uses inside the house, the first house in King County (greater Seattle) to do so. Low toxicity materials were used throughout the building, most lumber is certified FSC, and the building is a Certified Passivhaus by PHIUS+. 

Click here for wall section, assemblies, and systems info for this house

Click here for detailed information on ecobuilding aspects of this house

Click here for 10 minute video by owner and architect about project