Calgary, AB

The Calgary Design Studio’s growth has been strategically executed and as a result they have recently recruited top talent to continue their successful evolution to become the leading deep green engineering practice in central Canada. Located in picturesque Calgary, the team has deep roots in the community and supports many local causes.

Calgary Design Studio

Suite 900, 926 5th Avenue SW
Calgary, AB T2P 0N7
(587) 353-5141
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    News & Events for Calgary, AB

    March 8, 2018
    Integral Group is proud to be a leader and champion of gender equity and continues to strive for equitable gender representation in our workforce. Our ambition is to grow our workforce so that it is representative of all diverse characteristics  - but we face major challenges to achieve this goal, and are committed to playing our part to overcom... Read more
    February 8, 2018

    The CaGBC Green Home Summit is a one-day, regionally-focused event  hosted at Red Deer College in Red Dear, Alberta.

    This year's Summit will focus on residential construction, covering both single-family homes and multifamily projects up.  The Summit will include sessions on Read more

    January 17, 2018
    Integral Group is excited to present our upcoming Learning Labs event with a focus on Net Zero Energy, Emissions, and Planning on Thursday evening, January 25th, 2018.Integral Group Principal, Dave Ramslie, has been instrumental in developing plans, policies, and actions for advan... Read more

    Heading to @usgbcncc 's Water Conservation Showcase tomorrow? We'll be at Booth #4 on the first floor - come say hello! This event is free to attend. Read our company event for more information!

    Calgary, AB Leadership

    • Goran Ostojic
      Vice President & Regional Director of Canada West

      Goran has over 20 years of experience working as an engineer and energy consultant and is recognized as a global player in energy efficiency and sustainable building design. His contributions and work on international projects in Europe provides him with a unique perspective on design and documentation in North America. Goran has been responsible for many innovative projects in energy- efficient design and analysis including pioneering the use of various HVAC systems such as radiant cooling systems, capillary radiant systems, variable refrigerant flow and displacement ventilation. He has implemented his holistic and innovative design approach to the award-winning Millennium Water (Southeast False Creek) development, a LEED Platinum Neighborhood Development, and the VanDusen Garden Visitors Center, targeting LEED Platinum and the Living Building Challenge.

    • Dean Astren
      Managing Principal, Calgary, AB

      With over 22 years of experience in mechanical engineering design, Dean brings extensive industry knowledge to the Integral Group team. He has considerable leadership and project management expertise from eight years of operating his own consulting firm. As Managing Principal of Integral Group’s Calgary office, Dean is dedicated to client satisfaction throughout all phases of each project. He is committed to the goals and expectations of his clients while providing innovative, cost effective and sustainable mechanical systems that meet user requirements.

      Always keeping sustainability in mind, Dean integrates green design practices into his projects whenever possible. He has worked on multiple projects following the LEED rating system and ensures to assist his clients in understanding the process from start to finish. Dean has experience in a variety of sectors including civic, commercial, education, recreation and healthcare sectors. Some of his notable projects include Bellevue City Hall, North East Library in Seattle, Merrill Hall Science and Lab Building and Green River Community College. Dean’s attention to detail in innovative system design and ability to coordinate the unique challenges and goals of individual projects are instrumental in the success of his projects.