Virginia now requires Blower Door Testing

As of July 2021, Blower Door Testing is required on new builds.

https://www.virginiamercury.com/2020/11/02/as-virginia-tries-to-become-more-energy-efficient-building-codes-come-under-the-microscope/

https://www.cvilletomorrow.org/articles/building-a-better-environment-constructions-impact-on-climate-and-equity