Launch Slideshow

High transoms along the roofline heighten the indoor-outdoor connection and frame distant views.

Truro Residence

Truro Residence

  • High transoms along the roofline heighten the indoor-outdoor connection and frame distant views.

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    High transoms along the roofline heighten the indoor-outdoor connection and frame distant views.

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    Eric Roth

    High transoms along the roofline heighten the indoor-outdoor connection and frame distant views.

  • On this sunny bluff overlooking Cape Cod Bay, 11.7kW of solar panels on the south-facing roof gather much of the home's required energy.

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    On this sunny bluff overlooking Cape Cod Bay, 11.7kW of solar panels on the south-facing roof gather much of the home's required energy.

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    Eric Roth

    On this sunny bluff overlooking Cape Cod Bay, 11.7 kW of solar panels on the south-facing roof gather much of the home's required energy.

  • Image

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    Eric Roth

    Inspired by the slope of the dunes, the home's rooflines fit elegantly into the site and soar upward to capture distant ocean vistas.

  • Sloped ceilings soar up toward ocean vistas and lower down into more personal interior spaces.

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    Sloped ceilings soar up toward ocean vistas and lower down into more personal interior spaces.

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    Eric Roth

    Sloped ceilings soar up toward ocean vistas and lower down into more personal interior spaces.

  • Heat gain from west-facing windows was countered by a tighter, well-insulated building envelope and thoughtfully zoned HVAC.

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    Heat gain from west-facing windows was countered by a tighter, well-insulated building envelope and thoughtfully zoned HVAC.

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    Eric Roth

    Heat gain from west-facing windows was countered by a tighter, well-insulated building envelope and thoughtfully zoned HVAC.

  • A partial wall between living and dining areas helps break-up expansive spaces so they don't overwhelm when just the owners are in residence.

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    A partial wall between living and dining areas helps break-up expansive spaces so they don't overwhelm when just the owners are in residence.

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    Eric Roth

    A partial wall between living and dining areas helps break-up expansive spaces so they don't overwhelm when just the owners are in residence.

  • View from foyer looking across the open kitchen into the dining room.

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    View from foyer looking across the open kitchen into the dining room.

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    Eric Roth

    View from foyer looking across the open kitchen into the dining room.

  • The entry way opens up to both living and sleeping sections of the flexible floor plan as well as offering immediate access to the beaches beyond.

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    The entry way opens up to both living and sleeping sections of the flexible floor plan as well as offering immediate access to the beaches beyond.

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    Eric Roth

    The entry way opens up to both living and sleeping sections of the flexible floor plan as well as offering immediate access to the beaches beyond.

  • An expansive deck rests steps above grade obviating the need for view-blocking railings.

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    An expansive deck rests steps above grade obviating the need for view-blocking railings.

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    Eric Roth

    An expansive deck rests steps above grade, obviating the need for view-blocking railings.

  • Energy Diagram

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    Energy Diagram

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    Energy Diagram

  • Floor plan diagram showing how the house can be closed off or opened up depending on the number of occupants.

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    Floor plan diagram showing how the house can be closed off or opened up depending on the number of occupants.

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    Floor plan diagram showing how the house can be closed off or opened up depending on the number of occupants.

  • Site plan

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    Site plan

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    Site plan

Sun, sea, and family gatherings draw 20-plus lucky folks to this striking home overlooking Cape Cod Bay. Those appealing elements also presented the biggest challenges for architect Stephanie Horowitz and designer Ben Uyeda of ZeroEnergy Design. “Extreme fluctuation in occupancy was the starting point for our entire design,” Horowitz explains. “The house serves as a year-round weekend home for the two owners and a summer retreat for their entire family.”

The team used spatial separation and flexible mechanical zoning to create the home’s duality. Architecturally, a stand-alone foyer pushes apart the plan’s two distinct volumes and provides a physical barrier that allows the six-bedroom “sleeping bar” to be shut down most of the year. The foyer also offers immediate ocean access, fulfilling one of the owners’ requests to be able to go outside as soon as they arrived, says Horowitz.

Opposite the sleeping spaces, a roomy kitchen (one family member is a chef) flows into an airy living room connected to the bay through a soaring glass wall. This west-facing view presented another challenge to the team’s zero-energy goals. Glass with a low heat gain coefficient mostly saved the day, coupled with a well-insulated envelope that thermally and mechanically offsets the gains. Although the sun’s rays are an issue for keeping the house cool, they also provide most of the energy to do just that. And where 11.7 kW of solar panels leave off, a geothermal HVAC unit picks up. An energy management appliance integrates those renewable resources into the grid and maximizes energy efficiency.

The jury was impressed that despite its size, the house presents a modest profile and generates nearly all of its own power. Marveled one juror: “To be able to create those spectacular views and still have a HERS rating of 33 is incredible.”


PRODUCTS
Windows: Arcadia Architectural Products / Siding: Cedar / Roofing: Rheinzink / Decking: FSC-certified Ipe / Insulation: Icynene / Appliances: Wolf; Sub-Zero; Miele / Countertops: Caesarstone / Kitchen Faucets: Franke / Bath Faucets: Kohler / Toilets: Kohler / Flooring: Bamboo / Paint: Benjamin Moore / Interior Lighting: Translite Sonoma; XAL; Niche Modern / Exterior Lighting: Bega; B-K Lighting / HVAC: WaterFurnace; Rheem / Alternative Energy: Evergreen Solar (PV); Solectria (Inverter) / Energy Management: Gridpoint
Click here to see all 2010 EHDA winners.