Passive House 01 - SDSU DoArch

A housing grant from the from the Governor’s Office of Economic Development (GOED) was obtained by the South Dakota Department of Architecture for the purpose of designing a single family, “case study house for the 21st century,” capable of meeting the high performance Passive House (PHIUS) standard and being net-zero energy ready. The houses are faculty led, student designed. In a state that will not adopt energy codes, the design responds to showcase and demonstrate sustainable development to the region’s public, contractors, and building officials through site selection, systems, and assemblies.
A long-vacant infill site was chosen to serve as a catalyst for revitalization within an established neighborhood, a short walk to both the South Dakota State University campus and Main Street. The residence is 90% more efficient than a similar house built to code and is the first house in the region to sell energy back to the grid.

FORM + PROGRAM
The design defers to the traditional front porch facing the sidewalk with detached garages behind. Splitting the linear program configuration allows an exterior courtyard to be formed between house and garage.

A simple gabled massing responds to the neighboring context and implements contemporary detailing to read as a single, subtracted volume with deep set apertures. A front porch and entry are defined by a cantilever articulated by a notch along the south face and further emphasized with a material change from dark fiber-cement lap siding to clear finished cedar. The subtraction also provides necessary summer shading for south glazing.

The home contains three bedrooms and two and a half bathrooms with service spaces adjacent to the heart of the design, a double-height living and dining area to allow views up, down, and through of the activities the home plays host to.

INTERIORS
The dark exterior is contrasted with an interior composed of whites and light woods to ensure plenty of warm light in winter months. Careful attention to the material palette and detailing reinforce the “case study” experimentation including fabrication of the CLT (cross-laminated timber) and solid glulam stair, steel and locally-harvested basswood slat railing, interior casement “peek-a-boo” window, clerestory panels allowing diffused natural light in the upper level bathroom, and with the exterior courtyard canopy between house and garage.

Monitoring of air quality and energy usage linked to an online platform will quantitatively demonstrate the comfort and performance of the house in real time. Feedback will be tied to specific circuits in the electrical panel allowing the owner to view what aspects of the home are using the most energy and the opportunity to adjust behavior accordingly.

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Modern home with Exterior, House Building Type, Concrete Siding Material, Gable RoofLine, and Metal Roof Material. Front Entry and Porch Photo  of Passive House 01 - SDSU DoArch

Front Entry and Porch

Modern home with Metal Roof Material, House Building Type, Gable RoofLine, Exterior, and Concrete Siding Material. Photo 2 of Passive House 01 - SDSU DoArch
Modern home with Staircase, Wood Tread, and Wood Railing. Glulam and CLT stair Photo 3 of Passive House 01 - SDSU DoArch

Glulam and CLT stair

Modern home with Dining Room, Table, Light Hardwood Floor, Ceiling Lighting, and Chair. Glulam and CLT stair, Basswood slat railing, Steel I-beam Photo 4 of Passive House 01 - SDSU DoArch

Glulam and CLT stair, Basswood slat railing, Steel I-beam

Modern home with Bath Room, Slate Floor, Undermount Sink, Engineered Quartz Counter, Open Shower, Wall Lighting, Two Piece Toilet, and Stone Tile Wall. Master Bathroom with black slate Photo 5 of Passive House 01 - SDSU DoArch

Master Bathroom with black slate

Modern home with Living Room, Chair, Carpet Floor, and Ceiling Lighting. Upper Loft  Photo 6 of Passive House 01 - SDSU DoArch

Upper Loft

Modern home with Bedroom, Bed, Ceiling Lighting, and Carpet Floor. Upper Level Bedroom Photo 7 of Passive House 01 - SDSU DoArch

Upper Level Bedroom

Modern home with Living Room, Table, Chair, Accent Lighting, Ceiling Lighting, Wall Lighting, and Light Hardwood Floor. View from custom casement window in Bedroom Photo 8 of Passive House 01 - SDSU DoArch

View from custom casement window in Bedroom

Modern home with Living Room. View toward entry Photo 9 of Passive House 01 - SDSU DoArch

View toward entry

Modern home with House Building Type, Exterior, Metal Roof Material, Wood Siding Material, Gable RoofLine, and Concrete Siding Material. Link and patio between garage and house Photo 10 of Passive House 01 - SDSU DoArch

Link and patio between garage and house

Architect
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Overview

Structure
  • House (Single Residence)