Blower Door Testing, System Balancing, Thermal Imaging

The PHIUS+ Project Certification program is the only passive building certification system that integrates a third party quality assurance/quality control (QA/QC) requirement. QA/QC is especially critical to achieving the PHIUS+ standard, as passive building design details including airtightness and superinsulation require special attention to detail throughout design and construction.

During the QA/QC process, qualified professionals:

  • Verify plans and energy models at the design stage for compliance with the PHIUS+ standard.
  • Perform on-site testing and inspection throughout construction to verify that the project is built as designed.

QA/QC Professionals

PHIUS provides two training programs for QA/QC professionals who wish to participate in the PHIUS+ Certification process. Please refer to the information below for more detailed information:

The PHIUS+ Rater Program

This program focuses on single-family residential projects. The two-day training course, geared toward experienced RESNET and BPI professionals, provides a foundation in passive building principles as well as a guide to on-site quality assurance for the PHIUS+ program.

The PHIUS+ Large-Building Verifier Program

This program qualifies professionals to execute PHIUS+ QA/QC on large-scale multifamily and commercial buildings. Verifiers learn protocols specific to low- and mid-rise projects.

QA/QC Support

PHIUS has released the following QA/QC protocols to support the increasing number of multifamily projects pursuing PHIUS+ certification. Download the documents below for more information.

Contact to learn more about how PHIUS+ QA/QC can make the difference on your next project.

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