Multifamily Resource Center

312.561.4588

Design Support

A Passive House under Construction

PHIUS is here to support project teams in the design 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 Design

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

  • How to request a Feasibility Study

  • Learn more about the Quick Review Service

  • Questions regarding energy modeling support and protocol

  • General questions regarding project design

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.

Contact PHIUS for design support on your passive building project.

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