4EA Building Science
Building-enclosure engineering, Passive House consulting, field testing, and facade design across North America.
What they're known for
A multidisciplinary enclosure practice able to model, design, test, commission, diagnose, and rehabilitate the same exterior wall rather than handing those stages to separate specialists.
4EA Building Science is an architecture and engineering consultancy focused on the design, construction, testing, and rehabilitation of building enclosures. Its services include Passive House consulting and verification, WUFI Passive and THERM modeling, facade engineering, enclosure commissioning, field air- and water-testing, deep energy retrofits, and embodied-carbon analysis. Offices in Seattle, Oakland, and Vancouver support work across the United States and Canada, with additional international project experience.
Capabilities
- Building-Science Consulting
- Deep-Energy Retrofit
Performance focus
- Passive House
- Thermal Comfort
- Low-Carbon Construction
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Sources
Facts verified September 2026. Compound is an independent editorial directory and is not affiliated with this company unless stated.