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Climate Action Case Studies

Based on estimates from various sources, approximately one-third of Canada’s greenhouse emissions come from the built environments where people live, work, and play. Within urban areas, that number is much higher.

As buildings are key contributors to greenhouse gas emissions, the creation of a better, more efficient built environment, both through new construction and renovation work, must form a significant part of the solution on the path to achieving emissions reduction targets. The case studies included on this page are a collection of work submitted by OAA members, demonstrating how the architecture profession can build better and advance climate action.

The OAA case studies are intended for broad educational or informational purposes , showcasing models in climate performance. These case studies are illustrative of the possibilities for projects, but any reliance on material posted in the case study is at your own risk.

Do you have any projects that are exemplary models in climate performance or showcase how the architecture profession can build better? If so, please submit a case study for consideration using the button below. If you have any questions or comments, email oaamail@oaa.on.ca.



The OAA does not represent, warrant, or guarantee the accuracy or completeness of this information, and the language or opinions stated do not necessarily represent those of the Association or its governing Council. To read the full terms for use of this website, click here.

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Centennial College A Building - North West Exterior View

Centennial College – A Building Expansion

The Centennial College A-Building Expansion and Renovation is Canada's pioneering LEED Gold, zero-carbon, WELL certified, mass timber higher-education facility, seamlessly blending Indigenous perspectives with sustainability. Rooted in Truth and Reconciliation principles, the design harmonizes Indigenous wisdom with modern architecture. Sustainably harvested mass timber, innovative building skin, and solar panels contribute to the net-zero carbon goal, establishing a benchmark for environmental stewardship. Inclusivity is prioritized through flexible design, all-gender facilities, and accessible features. The project, fostering educational excellence, sets a precedent for sustainable and inclusive design, impacting students and the educational community positively.

Building Orientation & Layout

The project stands as a transformative campus gateway, seamlessly connecting to the street edge and enhancing pedestrian connections. As it connects to the street edge, the design revitalizes the campus corner with native plantings, forming a symbolic gateway that fosters community engagement. This integration, coupled with the forecourt's amphitheater and flexible outdoor spaces, not only enriches the public realm but also communicates the vital importance of reconciling Indigenous and Western cultures. The project is a beacon of inclusivity, cultural significance, and environmental sustainability, making a profound contribution to its unique location and fostering a sense of community.

Centennial College A Building - North Facade Showcasing Wisdom Hall

Energy

The innovative A-Building Expansion sets a new standard for sustainable higher-education facilities. As Canada's first LEED Gold, zero-carbon, and WELL-certified project, it achieves a 40% energy savings compared to conventional structures. The facility boasts an annual energy cost of $14/m²/year. Integral to this energy efficiency is the incorporation of on-site renewable energy, generating an impressive 69,000 kWh/year. The mass timber construction, inspired by Indigenous traditions, significantly reduces embodied carbon emissions. With efficient mechanical systems, solar panels, and indigenous plantings, the project attains a net-zero carbon footprint and harmonizes with the land. Prioritizing a high-quality interior environment, it reflects a holistic approach to environmental responsibility, marking a profound contribution to sustainability in higher education.

Total Energy Use: 1,318,887 ekWh/yr 
EUI = 109 kWh/m2/yr

Centennial College A Building - Wisdom Hall Level 2

Materials & Construction

The design thoughtfully integrates Indigenous-inspired geometry, featuring parallelogram and trapezoidal aluminum wall panels and composite wood veneer panels, contributing to a visually striking façade while minimizing environmental impact. The commitment to sustainable construction practices is further showcased through large triple-glazed aluminum-framed curtain walls, revealing the exposed mass timber structure. The building's structural composition, with a ground floor of cast-in-place concrete and upper five floors utilizing glulam post and beam construction with CLT floor panels, exemplifies a conscious effort to minimize embodied carbon. 

Centennial College A Building - Outdoor Courtyard

Life/Adaptability

The project's sustainability is deeply rooted in its respect for the environment, Indigenous traditions, and a holistic approach to design. The A-Building Expansion is Canada's first LEED Gold, zero carbon, WELL certified, mass timber, higher-education facility. These certifications reflect the project's adherence to rigorous sustainability standards and showcase its commitment to providing a healthy and environmentally responsible learning environment. 

Centennial College A Building - Informal Student Touchdown & Indigenous Art

Community

Rooted in Truth and Reconciliation, the project integrates Indigenous perspectives with environmental stewardship. Sustainability is evident in its LEED Gold, zero-carbon, and WELL certifications, showcasing a commitment to a healthy learning environment. The Mi’kmaq concept of "Two-Eyed Seeing" and inspiration from Anishinaabe Wigwams guide a creative design approach, exemplified by the dynamic building skin. Beyond innovation, inclusivity and accessibility take precedence, exceeding local regulations. The project serves as a transformative campus gateway, fostering community engagement through biologically indigenous plantings and establishing a holistic benchmark for higher education architecture.

Centennial College A Building - Indigenous Commons Interior

Project Team

Architecture and Design team:
Craig Applegat 
Chen Cohen
Juan Carlos Portuese
Jason D’Altroy 
Farah Al Amin 
Camille Ganuelas
Kelly Demings 
Mel Faifman 
Leo Decanay 
Otto Ojo
Mark Heinrichs 
Maya Jarrah

Structural:
RJC Engineering

Mechanical and Electrical:
Smith + Andersen

Civil:
WalterFedy

Contractor:
EllisDon Corporation

Interiors:
DIALOG Ontario Inc.

Landscape:
Vertechs Design

Indigenous Design Consultant:
Smoke Architecture

Sustainability Consultant and Energy Modelling:
RDH

Photography:
James Brittain

Centennial Team
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