Services
As a full-service design consultancy, we cater to the development of new buildings as well as the rehabilitation of existing buildings.
Deep Energy Retrofits
Specializing in a range of architectural and engineering fields, we are well equipped to guide you from start to finish.
Embodied Carbon
Whether you want to decarbonize the built environment, or just know where you stand, 4EA can help.
Passive House Services
We offer an array of passive house services, including consultation, rating, and verification.
Curtain Wall Consultation
We can design an enclosure for your project or assist your architect with their design.
Energy Performance
We offer energy modelling and assessment services for your new or existing project.
Enclosure Field Testing
We can test your enclosure for air and water tightness and help with diagnostics.
Building Enclosure Commissioning (BECx)
We perform enhanced commissioning of the building enclosure for LEED points.
Construction Administration
We commission the installation of the building enclosure and help trouble shoot along the way.
Enclosure Assessments
We empower building owners to understand their building enclosure and make informed decisions.
View All 4EA Projects

Even if you haven’t heard of us, we bet you know us.
4EA has been at the forefront of providing quality, value-conscious building science solutions since 2005. We work with architects, owners, and contractors to deliver high-performance buildings that deliver improved durability, energy performance, and value.




