Help Make Passive Building Mainstream Support PHIUS

Submit a Project for Certification

Documents: Getting Started

Download and review the following documents to get started:

You may request a PHIUS+ contract by emailing:

Additional Tools and Resources

PHIUS has assembled the following resources including WUFI Passive support, calculators, protocols, and other tools to aid in modeling and certification of your passive project:

Fee Structure

Discounted fees are available for PHIUS CPHCs and PHAUS members. Learn more about PHAUS membership.

PHIUS CPHCs who are also PHAUS Pro-level members:

iCFA = interior conditioned floor area

0 - 2500 sq. ft. iCFA - $1,080
2,501 - 4,500 sq. ft. iCFA - $1,480

PHIUS CPHCs, Certified Builders, CPHCs-in-training or Builders-in-training (but not a PHAUS member): 

0 - 2500 sq. ft. - $1,282.50
2,501 - 4,500 sq. ft. - $1,757.50

Standard Fees--Project Owner, Non-CPHC

0 - 2500 sq. ft. - $1,350.00
2,500 - 4,500 sq. ft. - $1,850.00

For Projects above 4501 SF iCFA, or for unique building types, please contact for pricing.

Non-profit organizations such as Habitat for Humanity are eligible for a larger discount. Contact us for details.

Note: These fees do not include PHIUS+ Rater fees. Project teams must contract separately with a PHIUS+ Rater.

Submit a Project for PHIUS+ 2015 Certification:

Please register your project as early in the design process as possible to allow time for full design review and consultation during the design stage, and to accommodate on-site QA/QC protocols. Contact the Certification Team at with any questions.

Step 1 - Pre-Process Paperwork:


Step 2: Register & Pay

  • Register using links below (see Fee Structure details at right).
  • Payment may be made online (PayPal), or via mail by including the invoice you'll receive upon completing registration.


Step 3: Create a Project

  • Log into PHIUS+ Project Database using your CPHC log-in credentials.
  • If necessary, PHIUS will create account or give access to submit projects. PHIUS CPHCs will have already received their log-in details upon becoming certified. 
  • Create the new project entry. This project entry will not become publically visible until the project is pre-certified, so do not worry about entering project details at this time.
  • At this time, PHIUS will create a DropBox folder for the project, and invite the Submitter to the folder. The Submitter may invite other members of the project team. 
  • Upload project documentation into the appropriate sub-folders within the DropBox. 
  • When ready for a review, please inform PHIUS ( that all documents have been prepared and uploaded to the DropBox.
  • At this time the project will be added into the project review queue. 
  • Please remember a project review cannot begin without payment and an executed contract.

* NOTE: All projects registered with PHIUS after September 15, 2015 must certify under the PHIUS+ 2015 Passive Building Standard. 


PHIUS+ Feasibility Study

Not certain if PHIUS+ Certification is feasible for your project? Need to supply documentation to government, funding, or granting agencies to show that your project can meet PHIUS+ standards? Order a Feasibility Study!

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