Contact PHIUS

General Inquiries:

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


Training Information:

If you are interested in becoming a PHIUS Certified Professional, please contact


Project Certification:

For all questions related to project certification, please email PHIUS at


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


Snail mail or drop-bys:

Passive House Institute US (PHIUS)
116 West Illinois Street, Suite 5E
Chicago, IL 60654



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