Business Details
19 Years
experience
Sustainable Architecture Solutions in Calgary
At Flechas Architecture, we are dedicated to advancing environmental, social, and economic responsibility through innovative building design. Our mission is to create spaces that foster community connections while optimizing scarce natural resources, ensuring sustainability, affordability, and inclusivity. We believe simplicity defines true green architecture, minimizing environmental impact through construction and maintenance while maximizing social and economic benefits. Since 2007, our firm has prioritized high-performance buildings aligned with client values, achieving rigorous standards like Passive House certification. Our senior team remains deeply involved in every project phase, from design to construction, ensuring technical precision and collaboration with builders and energy consultants.With 14 years of experience, we deliver diverse projectscommercial, residential, healthcare, and industrialwhile maintaining strong relationships with industry leaders. Our principal, Oscar Flechas, brings over 25 years of expertise, registered in Alberta, British Columbia, and Colombia, and actively promotes Passive House standards to reduce Canada's carbon footprint. We integrate sustainable practices into every project, emphasizing long-term value without compromising quality. Our approach combines 3D visualization, stakeholder engagement, and tailored solutions for complex developments. Through mentorship and advocacy, we strive to elevate industry standards and drive positive social change.
Services
Commercial Architecture
Residential Design
Healthcare Facilities
Building Remediation
Sustainable Design
Industrial Projects
Details
- Year established: 2007
Highlights and features
- We are one of Canada's few Passive House Institute-certified firms.
- Our senior team oversees projects from design to construction.
- We specialize in sustainable, affordable, and inclusive building solutions.
- We collaborate closely with clients and communities on every project.
- Our 14 years of experience spans complex, multi-stakeholder developments.
Associations and certifications
- International Passive House Institute
Services
Commercial Architecture
We design energy-efficient commercial spaces that meet Passive House standards. Our approach balances functionality with sustainability, reducing long-term operational costs while creating adaptable environments for businesses. Projects include office buildings, retail spaces, and mixed-use developments.
Residential Design
Our residential projects focus on affordable, low-energy homes that prioritize comfort and environmental responsibility. We specialize in single-family dwellings, multi-family complexes, and special needs housing, integrating Passive House principles for optimal efficiency.
Healthcare Facilities
We create healthcare environments that enhance patient well-being through sustainable design. Our expertise includes clinics, treatment centers, and wellness facilities that combine accessibility, hygiene, and energy efficiency to support both staff and visitors.
Building Remediation
Our team specializes in upgrading aging structures with modern, energy-efficient solutions. We address moisture issues, improve insulation, and enhance building envelopes to extend lifespan while reducing environmental impact through targeted remediation strategies.
Sustainable Design
We integrate eco-friendly practices across all projects, emphasizing low-carbon materials and energy recovery systems. Our designs exceed LEED standards by focusing on passive solar gain, natural ventilation, and locally sourced materials to minimize ecological footprints.
People
Oscar Flechas
Principal Architect
With over 25 years of experience, Oscar is a registered architect in Alberta, British Columbia, and Colombia. He leads Passive House Alberta as founding president and mentors future professionals at SAIT.
Questions
What architectural services do you offer?
We specialize in commercial, residential, healthcare, and industrial architecture, with expertise in Passive House-certified sustainable design.
What makes your firm unique?
We combine Passive House certification with 14 years of experience in complex projects, ensuring technical precision and long-term affordability.
Do you work outside Calgary?
While based in Calgary, we serve Alberta and British Columbia, collaborating with local consultants for regional projects.
How do you ensure project quality?
Our senior team oversees every phase, using 3D visualization and collaborating with builders to maintain exacting technical standards.
What sustainability standards do you follow?
We exceed LEED requirements and specialize in Passive House principles for maximum energy efficiency and reduced carbon footprints.
