Phius

Congratulations to the TAOS HAUS team! Your single-family, new construction in Taos, New Mexico is now Phius CORE 2021 Certified!

PhiusCon 2026 planted seeds in the Southwest, and now it's time to tend the garden 🪴 Post-conference reflections from Arizonan and Phius staff member Alyssa Fink: ow.ly/hwFz5106jvL

Congratulations to the Koorsen Home team! Your single-family, new construction in Zionsville, Indiana is now Phius ZERO 2021 Certified! Cedar Street Builders

Congratulations to the Red Willow team! Your multifamily, new construction in Seattle, Washington is now Phius ZERO 2021 Certified! Phius Verifier: Bee Engineers, Cybil Tribie Architect: VY Architecture, Scott Yribar CPHC/Builder: Dan Whitmore #PassiveHouse #PhiusZero

The Phius Certified Rater & Verifier Training prepares professionals to inspect, test, and document passive building projects, with a focus on quality assurance and quality control. Build the skills to verify buildings perform as designed. Register at phius.org/trainings

One of the largest Phius Certified buildings in the world! Take a look inside 425 Grand Concourse in the Bronx, where affordable housing meets passive buiding. Watch the full video on Youtube: ow.ly/gt6e5105ckQ 🎥 Video courtesty of Reimagine Buildings / @PHAccelerator

Congratulations to the 49 Sheridan team! Your multifamily, new construction in Cambridge, Massachusetts is now Phius CORE 2024 Certified! ZeroEnergy Design

There's something different about learning when you actually get to build it yourself. 🔨 A look back at our hands-on trades training, where professionals put their skills to work. Next stop: Albany, NY this February! Learn more & register: phius.org/trainings

Congratulations to the LIHI 125th-BLDG team! Your multifamily, new construction in Seattle, Washington is now Phius CORE 2021 Certified! Architect: Runberg Architecture Group Mechanical & Plumbing Engineer: Ecotope, Inc. CPHC: O'Brien 360

"We could use more renewable power offerings that clearly comply with the consensus standards for net-zero buildings." Our latest blog on how to bridge the gap between solar contracts and net-zero standards: ow.ly/Py7b5104lln

Congratulations to The Lighthouse at Norton Avenue team! Your multifamily, new construction in Bristol, Pennsylvania is now Phius CORE 2021 Certified! Developer: MRK Partners, Inc. Construction: Ingerman Construction Management, LLC Architecture Planning: Donovan Architects

Congrats to our 2026 Phius Design Competition winners! 🏆 We love seeing the different ways these teams are putting passive building principles into practice. Thanks to gb&d magazine for highlighting this year's projects! Check out the full feature: ow.ly/x3LX5102xQe

ICYMI: Phius Certification Guidebook v26.1.2 is here, along with an overview of the updates: ow.ly/KGMV5102io9

Congratulations to the Swede Hill Carriage House team! Your single-family, new construction in Austin, Texas is now Phius CORE 2024 Certified!

Congratulations to the Vangsness Allen Farmhouse! Your single-family, new construction in Goodhue, Minnesota is now Phius CORE REVIVE 2021 Certified!

Congratulations to the Harbor Vue team! Your multifamily, new construction in Hyannis, Massachusetts is now Phius CORE 2021 Certified!

A new version of the Phius Certification Guidebook is hot off the presses, and our latest blog covers all the important updates: ow.ly/IKKI5102io7

Our Phius Certified Consultant (CPHC®) training is coming to Boston this December! Learn how to apply passive building principles through cost-optimized, climate-specific design. 📍 Newton, MA 🗓 December 2–4, 2026 🕗 8 AM–5 PM ET Register: phius.org/trainings

Your building shouldn’t be working against you. Drafts, uneven temperatures, outside noise, and high energy use? Phius sets a higher standard for comfort and efficiency. Time to check your building’s notifications? 🔔

The little details matter in building performance. Our Phius Certified Builder Training helps construction professionals apply passive building practices in the field on all projects—passive or not. 🗓 Nov. 9–20, 2026 💻 Live Virtual Register: phius.org/trainings