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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 Product Data Certification

To help designers find passive-appropriate high performance building products, PHIUS launched the PHIUS Certified Data for Windows program. It provides manufacturers an opportunity to have their windows evaluated for passive implementation. It provides designers comprehensive information and climate specific recommendations for the United States. (PHIUS plans to launch similar programs for other components in the future.)

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