Our Team

Our Team

The team at EVNA Engineering is committed to building a better future with better buildings.

Our team is made up of engineering experts on high performance buildings. High performance buildings are our passion. Energy Modelling, Energy Conservation, Clean Energy, Renewable Ready, Net Zero, Carbon Neutral: We are here for it!! As a customer driven organization, we support high performance buildings through best practices, purposeful innovation and consortium collaboration.

At EVNA Engineering, we want everyone to feel heard, respected and valued. Our culture aspiration as a company is to become more self-aware, more curious about each other, with more inspiring and empowering leaders. It starts with listening. Taking time to listen to someone is a powerful act of inclusion; it shows that you are curious about them, it creates an opportunity to learn something new, it says: “I hear you. I value you. You matter.”

Our business needs diverse people working in an inclusive environment in order to spark more innovation, improve our productivity, and be sustainable. Our employees expect the same to enable their personal and professional growth, and increase their impact in the world.

Our team takes pride in this mission by living it on a daily basis!

Ryan Evans
Ryan EvansPrincipal
Sean Sirgi
Sean SirgiBuilding Performance Analyst
Betty Tesfay
Betty TesfayBuilding Performance Analyst
Niall Carroll
Niall CarrollBuilding Performance Analyst
Jeffrey Zellweger
Jeffrey ZellwegerBuilding Performance Analyst

High Performance Buildings

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Our Experience

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