Phius
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Phius is a 501(c)(3) passive building org committed to supporting the health of people and planet
Phius is a 501(c)(3) organization committed to making high-performance passive building the mainstream market standard. PHIUS is transforming the building sector by developing and promoting North American specific standards, practices, and certifications for buildings, professionals, and products to create structures that are durable, comfortable, healthy, and super energy efficient. Founded in 2003, Phius has trained more than 2,000 architects, engineers, energy consultants, energy raters, and builders in the passive building standard. The organization is the leading passive building research and information provider in North America. Phius provides training and certification to architects and construction professionals that enables them to design and build ultra-efficient residential and commercial structures, and to cut energy consumption in existing buildings by retrofitting them to the Phius 2015 Passive Building Standard. PHIUS also certifies projects through intensive design review and on-site quality assurance protocols.
09/28/2026
Going up? So are PhiusCon registration rates. ⬆️
Lock in your ticket at the current rate before Oct. 5!
→ phius.org/phiuscon
09/28/2026
ICYMI: Are Phius projects moving faster? Our latest blog looks at the data: https://ow.ly/QmTm50ZRcBI
09/24/2026
Are Phius projects moving faster? Our latest blog looks at the data: https://ow.ly/QmTm50ZRcBI
09/23/2026
Congratulations to the HELP ONE: Building C team! Your multifamily, new construction project in Brooklyn, New York is now Phius CORE 2021 Certified!
Curtis + Ginsberg Architects | Bright Power | CMTA
📸 Inessa Binenbaum
09/23/2026
Phius had a record year for multifamily 🏢
Katrin Klingenberg sat down with Multifamily Executive to discuss what's driving the growth of passive building in the multifamily sector.
Read the full Q&A: https://ow.ly/tRgS50ZPPm0
09/22/2026
Congratulations to the Walden Square team! Buildings A & B of this multifamily, new construction project in Cambridge, Massachusetts is now Phius CORE 2024 Certified!
09/22/2026
ICYMI: Our latest blog has details on new training offerings and important curriculum updates: https://ow.ly/rq3v50ZOVbr
09/21/2026
Katrin Klingenberg joins the Passive House Podcast to talk resilience, retrofits, and the road to 🎙
Listen to the full conversation: https://ow.ly/NwB050ZPPbK
09/21/2026
Congratulations to the Bellwether team! Your multifamily, new construction project in Wellesley, Massachusetts is now Phius CORE 2024 Certified!
09/18/2026
Congratulations to the W 7th Passive Duplex team! Your multifamily, new construction project in Austin, Texas is now Phius CORE 2021 Certified!
Forge Craft Architecture + Design
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Contact the organization
Website
Address
53 W Jackson Boulevard, Suite 1432
Chicago, IL
60604
Opening Hours
| Monday | 9am - 5pm |
| Tuesday | 9am - 5pm |
| Wednesday | 9am - 5pm |
| Thursday | 9am - 5pm |
| Friday | 9am - 5pm |