Multifamily Resource Center

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Certification Support

PHIUS is here to support project teams in the certification of their PHIUS+ projects every step of the way. Please, simply reach out to us at the contact details below and our knowledgeable staff will be happy to assist you.

Project Certification

For all questions related to project certification, please email PHIUS at certification@passivehouse.us. We will be happy to assist you with queries such as:

  • How to request and submit a PHIUS+ Contract

  • How to request a custom certification quote

  • How to request a Feasibility Study

  • Learn more about the Quick Review Service

  • Learn more about the PHIUS Certified Window Program

  • Questions regarding energy modeling support and protocol

  • General questions regarding project certification

Quality Assurance and Quality Control (QA/QC)

If you have questions about the Quality Assurance and Quality Control aspect of the PHIUS+ program, please email PHIUS at qa@passivehouse.us. We will be happy to assist you with queries on topics such as:

  • Testing protocol

  • On-site documentation

  • Details on where to find the multi-family workbook

General Inquiries

If you have a question that does not fit into any of the categories listed above, please email PHIUS at info@passivehouse.us.

Find Professionals

PHIUS Certified Passive House Consultants (CPHC®), Builders, and Raters are here to support project teams in the certification of their PHIUS+ projects every step of the way. Search the PHIUS Certified Professionals Directory to find a qualified professional in your area.

Find a PHIUS Certified Passive House Consultant (CPHC®)

FInd a PHIUS Certified Builder

Find a PHIUS+ Rater

Find a PHIUS+ Verifier

Contact PHIUS for support certifying your next passive building project.

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