ABOUT AVANI

Thoughtful Engineering.
Built on Experience.

Mechanical, electrical, and plumbing engineering design for efficient, resilient buildings.

Rendering courtesy Hacker Architects

WHO WE ARE

Avani is a building systems engineering firm focused on high-performance design. We partner with architect, building owners, and project teams to deliver efficient, resilient buildings that support people and the planet.

Our approach is grounded in technical rigor, systems thinking, and a commitment to creating comfortable, healthy environments that support people and the planet.

Collaborative by Nature.
Driven by Impact.

People walking on a tiled floor with green leaf-shaped designs, some blurred due to motion, at an indoor public space or transit station.

FIRM VISION

A collaborative and innovative AEC industry delivering climate-positive solutions that directly benefit our communities.

We achieve this vision by:

Working with like-minded partners to collaboratively create places where our communities can thrive.

Close-up of a camera lens with a focus ring and lens markings

Striving to design places that positively impact the planet. Because it’s the only planet our community has.

A blue circular warning icon with a lightning bolt in the center and a diagonal line crossing through it.

Ensuring that our team members are able to create a comfortable life for themselves and their families, so they can be free to innovate.

Gear icon with clock and wrench overlay.

LEADERSHIP

Leadership That Shapes Better Buildings.

Partial view of a man wearing glasses and a blue button-up shirt, standing outdoors near a white decorative wall.

Ruwan Jayaweera, PE, LEED AP

Ruwan has 30 years of experience in the industry with 21 years in the Portland area. He is a trusted consultant to many, providing mechanical engineering expertise, cross-discipline experience, and the ability to communicate complex ideas clearly. His passion for the planet is rivaled by his passion for people and the community. Ruwan has mentored K-12 students, been an adjunct instructor at Portland State University, and championed efforts to diversify the industry. He currently serves on the Boards for the Architecture Foundation of Oregon, Association for Learning Environments, Climate Solutions, and Design Corps.

Mechanical Engineer, Co-Founder

INDUSTRY EXPERIENCE

Passive design integration

Experience implementing passive systems design

Living building principles

Experience supporting living building goals

Years combined experience

Solving complex problems with practical solutions

States with PE licensure

Registered in multiple states across the U.S.