Flechas Architecture is a Calgary-based Architecture Firm specializing in green and sustainable building practices, with a particular focus on Passive House design. With over 14 years of experience, they have become one of the few architecture firms certified by the International Passive House Institute in Canada. Their mission is to design high-performance buildings that not only meet the needs of their forward-thinking clients but also align with their core values.

By implementing Passive House principles, Flechas Architecture creates buildings that optimize energy usage, resulting in cost savings and reduced environmental impact. Their expertise lies in developing innovative designs that incorporate sustainable practices while addressing the unique requirements of each project. They work closely with builders and energy consultants to ensure the efficient performance of their projects, from design development to construction.

Flechas Architecture has successfully designed and built various building types, including commercial, industrial, special needs residential, healthcare, and single and multi-family residential buildings. Led by principal architect Oscar Flechas, a registered architect in Alberta, British Columbia, and Colombia, the firm brings more than 25 years of experience to every project. Oscar is a certified Passive House designer and an active advocate for sustainability.

He regularly shares his expertise as a presenter at industry events, mentors students, and serves as the president of Passive House Alberta. Trust Flechas Architecture to create sustainable and innovative buildings that make a positive impact on the environment