For Practitioners

Phius Certified Products are evaluated against criteria specific to passive building applications. This vetting process allows professionals to see how well products can meet the specific demands of a passive building. Head to the Phius Certified Product Database to find the fenestration products, ventilator units, or prefabricated panels that fit into your building designs.

For Manufacturers

Distinguish your products as market-leading, trend-setting, and high-performance. Phius Product Certification offers your customers the data and assurance they need to include your products in their designs.

Are you interested in pursuing certification? Visit the program-specific pages below to get started.

The Phius Product Certification team is here for you.

Have questions about the Phius Window Certification Program? We'll get you all the answers you need.