Optimize Envelope Enigneering (OEE) was founded by Dana Bjornson P. Eng, M. Arch in 2010 following her tenure at Williams Engineering and Halcrow Engineering as a building science specialist. Her team of building professionals has continued to grow through a series of banner projects in Western Canada; including Calgary’s West LRT transit project, Canalta’s sprawling rural hotel expansions and high-profile rehabilitation projects such as the TD Square Devonian Garden reconciliation and renovation.


OEE brings to all of its clients a wealth of industry experience in commercial construction and residential projects. We excel in providing essential insight and approvals in the new building process and forensic-level insight into past building deficiencies. With hundreds of first-hand case studies to draw from in building function and dysfunction we are confident in our capacity to deliver an optimized building realization to meet all the needs of clients and constructors.
Operating primarily in the greater Calgary area including Rockyview MD, Foothlls MD and beyond, OEE works closely with public municipalities and private construction professionals to continuously satisfy and advance best practices in building envelope design and implementation. For expertise on your cladding, waterproofing, roofing and any other envelope items contact OEE for dedicated quality and delivery on your project of any scale.
OUR MISSION
To create better building envelopes through engineering, education, teamwork and risk management.
OUR VISION
Awareness
- Make building envelope professionals a trusted, understood, valued, appreciated and standard part of every building project team.
- Make building envelope engineers the first professionals called for diagnosis and assessments of building envelope issues.
Responsibility
- Take responsibility for your decisions and pride in your work.
- Everyone on the team has some responsibility for the final product.
Standards
- Help create standards for quality control and assessment of building envelopes that can be used by all parties involved in the building sector, including owners, contractors, subcontractors, designers, consultants, city officials and building managers.

