Phius

Website

www.phius.org

Services

In app support

Introduction to Phius Phius (Passive House Institute US) is a leading non-profit organization dedicated to revolutionizing the built environment by establishing high-performance passive building as the mainstream market standard. With a core focus on decarbonization, Phius provides a comprehensive ecosystem of services aimed at significantly reducing energy consumption in buildings. Their approach integrates advanced passive building principles such as super-insulation, airtight building envelopes, highly efficient windows, energy recovery ventilation, and strategic passive solar design. These methods enable buildings to achieve up to 60% reduction in energy usage for heating and cooling compared to conventional structures, contributing significantly to a zero-carbon future.

Core Activities and Offerings The organization plays a multifaceted role in the industry, including training and certifying professionals across various disciplines. These include Phius Certified Consultants (CPHC®), Phius Certified Builders (CPHB), Phius Certified Raters, and Phius Certified Verifiers. Phius rigorously maintains and updates its climate-specific passive building standard, ensuring its relevance and applicability across diverse global climates for both new construction and retrofits in single-family, multifamily, and commercial sectors. Furthermore, Phius is responsible for certifying and quality-assuring passive buildings, having certified over 11.2 million square feet of projects. They also certify high-performance building products like windows and prefabricated panels, guaranteeing adherence to stringent passive standards.

Industry Impact and Community Beyond certification and training, Phius actively engages in cutting-edge research to continually advance high-performance building practices. They lead policy initiatives, advocating for the integration of passive building standards into codes and regulatory frameworks, particularly in affordable and multifamily housing. Through these efforts, Phius provides a robust framework for constructing comfortable, healthy, and cost-efficient buildings. The Phius Alliance, their membership arm, connects over 1,000 industry professionals across North America, fostering a collaborative community committed to these sustainable building goals and driving the industry towards a more resilient future.

Locations

• Chicago, Illinois