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Superkl Inc. designs first Active House in Canada


October 21, 2013
by Canadian Architect

Toronto-based architects superkül designed Canada’s first Active House in Ontario’s Niagara region. Great Gulf, one of Canada’s largest home builders, selected superkül, a firm with a breadth of experience designing sustainable homes, to design Canada’s first residence that meets the construction metrics outlined by the Danish Active House program. The Active House program was initiated by a European consortium of academics, scientists, architects, engineers, and building manufacturers to promote a holistic approach to home design that marries environmental responsibility and energy efficiency with the need to design spaces that contribute positively to the health and well-being of its residents.

“We’ve designed several green homes, but this project presented the exciting opportunity to collaborate with Great Gulf and the Active House Alliance to create a new paradigm for the sustainably minded and health-conscious homebuyer,” said Andre D’Elia, a principal at superkül and the lead architect for Great Gulf Active House.

superkül’s design strategy considered the environmental impact of the entire lifecycle of the home from concept to performance as well as its impact on its users. The house is oriented with the long roof slope and major glazing facing south to maximize the efficiency of the solar hot-water system and passive solar gain. The multitude of skylights and windows create naturally light-filled spaces and minimize the need for artificial light. Two intersecting axes guide the open plan of the interior to maximize cross breezes. By removing visual barriers between living spaces, the open plan also creates the impression of a larger home. To promote the comfort of the residents, superkül ensured that each room featured exterior views without compromising privacy. The patio that aligns with the width of the living room reinforces the visually seamless extension of the interior spaces.

Great Gulf Active House boasts fully integrated systems designed to optimize natural lighting and air quality while reducing its dependency on non-renewable energy sources. Natural ventilation is encouraged by a dual-zone HVAC system connected to a Somfy Tahoma Smart House system that uses sensors to automate the windows, blinds and 14 skylights to open and close in response to the interior temperature and air quality while two heat-recovery ventilation (HRV ) units supply the house with fresh air. The use of low-VOC paints and low-emitting interior finishes improve indoor air quality. A greywater heat-recovery unit captures heat from showers and baths and preheats incoming cold water to reduce the energy demand for domestic hot water. A cistern and rainwater collection system reduces the need for municipal water up to an estimated 35% while lessening the loads on the municipal waste water system. superkül ensured the house is supplied with 100% renewable energy by installing solar thermal panels and providing renewable gas from Bullfrog Power. The electricity, also provided by Bullfrog Power, comes from 100% renewable sources.

The exterior walls, roof and floor systems were prefabricated in Toronto at Brockport Home Systems’ factory, expediting the process such that the house was erected in only one week. This innovative construction method not only reduces material waste, energy use, and risks of onsite accidents during the construction process but also improves the accuracy and quality of construction. The wood-frame panels are a more sustainable alternative to the typical steel structure.

Great Gulf Active House will be studied and measured by architects, product manufacturers and construction teams to define the next generation of Great Gulf homes.


active house by superkl inc.
active house by superkl inc.


Canadian Architect

Canadian Architect

Canadian Architect is a magazine for architects and related professionals practicing in Canada. Canada's only monthly design publication, Canadian Architect has been in continuous publication since 1955.
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