Blower Door and Duct Testing

A blower door test performed by a certified Building Performance Analyst or Performance Tested Comfort System (PTCS) Analyst became required with the release of the 2009 Washington State Energy Code (WSEC), with results to be posted within three feet of the electrical box. Whether you simply want to pass the current Energy Code requirements or build the most energy efficient home possible, we can help you through the process.


  • Evergreen Certified helps you understand the new Energy Code.

  • Evergreen Certified provides assistance in preparing for your blower door test so you pass the first time.

  • Evergreen Certified provide Blower Door Duct testing and HRV commissioning.

Contact us early in your project to ensure it will meet the energy code requirements and avoid headaches later.