News
Introducing 4EA!
JRS Engineering LLC has rebranded in the United States and is now 4EA Building Science.
News
4EA is proud to sponsor MOD X EDU 2021
As part of our goal to help create a positive impact on the built environment, 4EA is a proud sponsor
News
4EA offices during Covid-19
4EA offices in Seattle and Oakland remain closed to the public for the time being in response to the COVID-19
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Even if you haven’t heard of us, we bet you know us.
Formerly JRS Engineering LLC, 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.
