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PHIUS+ 2015 Project Certification

The PHIUS+ Certification program is built on the new, PHIUS+ 2015 passive building energy standard, which has been cost-optimized by climate. PHIUS+ combines a thorough passive house design verification protocol with a stringent Quality Assurance and Quality Control (QA/QC) program performed on site by highly skilled and specialized PHIUS+ Raters.

Certified Projects Database

The number of PHIUS Certified projects is growing exponentially. You'll find single-family homes, multi-family apartment buildings, commercial and education buildings in the PHIUS online-database of certified projects. Click on headings to sort.

Case Studies

Take a closer look at a variety of completed PHIUS+ Certified Passive Projects. Project leads discuss design challenges & solutions, mechanical, window & other details & lessons learned.

PHIUS Verified Window Performance Data Program

PHIUS developed the Verified Window Performance Data Program to make verified building component performance data readily available to passive building practitioners. Manufacturers who have their building component performance data verified by PHIUS are able to better position their products in the marketplace by providing practitioners with the comprehensive information and climate specific recommendations they need to specify high-performance products in their projects.

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