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Delta House
Delta House
Smithville, Canada
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Other Projects by ATA Architects
Delta House
Smithville, Canada
Firm
Type
STATUS
Built
YEAR
2014
SIZE
1000 sqft - 3000 sqft
The Delta House provides a new model to building in rural Canada. Function meets form in a design, more akin to aeronautics than architecture. Biomimetic processes drove the innovative design approach and building systems, seeking multiple functions for each component of the resulting form.
A typical Canadian home grows up and out of the site, exposing more of the facade to the elements. Instead of building up, the focus was to make better use of the basement area of the home. A section of the house was dug out on the south side, making room for three main glazed boxes. The spaces and bedrooms of the typical second floor were transferred to the more protected basement, thus lowering the volume of conditioned air within the dwelling.
To minimize energy losses through the glazing, ATA centralized the windows on the south side of the building, while minimizing the glazing on other facades. The centralized windows became the "three sisters" allowing the winter sun into the main floor and lower level of the house. The aerodynamic delta shape of the building was tested in a wind tunnel and was designed to minimize energy loss due to contact with the turbulent winter wind. The sisters are tilted 10 degrees towards the sun, leveraging the properties of glass as a reflector, when the sun is at a high angle of incidence in the summer.
The house also contains an innovative thermal mass battery in the basement slab and a connected radiative masonry fireplace. Excess heat, gathered at the top of the tent-like roof is directed down and reheated through the chimney before being drawn into the basement slab for storage. Openings in the floor areas ensure the energy is equally distributed throughout the dwelling.
A typical Canadian home grows up and out of the site, exposing more of the facade to the elements. Instead of building up, the focus was to make better use of the basement area of the home. A section of the house was dug out on the south side, making room for three main glazed boxes. The spaces and bedrooms of the typical second floor were transferred to the more protected basement, thus lowering the volume of conditioned air within the dwelling.
To minimize energy losses through the glazing, ATA centralized the windows on the south side of the building, while minimizing the glazing on other facades. The centralized windows became the "three sisters" allowing the winter sun into the main floor and lower level of the house. The aerodynamic delta shape of the building was tested in a wind tunnel and was designed to minimize energy loss due to contact with the turbulent winter wind. The sisters are tilted 10 degrees towards the sun, leveraging the properties of glass as a reflector, when the sun is at a high angle of incidence in the summer.
The house also contains an innovative thermal mass battery in the basement slab and a connected radiative masonry fireplace. Excess heat, gathered at the top of the tent-like roof is directed down and reheated through the chimney before being drawn into the basement slab for storage. Openings in the floor areas ensure the energy is equally distributed throughout the dwelling.
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