The leading passive building research, training & certification provider in North America. #Comfort #Quality #Efficiency #Resiliency #Affordability

Chicago, IL
Joined September 2011
Congratulations to the Cascade 6 Duplex team! Your multifamily, new construction project in Everett, Washington is now Phius CORE 2024 Certified! @HKPArchitects
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Materials. Design. Delivery. Explore all three at Reimagine Buildings ’26 on Nov. 6, with practical solutions for lower-carbon buildings. 💻 Online | Sessions being submitted for AIA HSW, Phius & PHI credits. Register: ow.ly/stg750ZYgrO #ReimagineBuildings #PassiveHouse
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Our October Project Spotlight by the numbers: 100% affordable housing 💯 144,771 square feet 📐 Eight stories 🎱 Learn more about The Faircliff: ow.ly/YyCB5100h1Q
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Learning new software can feel like untangling a knot. Make the transition to METr smoother with our Single-Family Training, Nov. 9–10. Learn the basics and build your modeling skills. Ready to untangle METr? Register at phius.org
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The PhiusCon 2026 camera roll is officially open! 📸 So many moments worth capturing in Phoenix! Whether you were there or want a peek at what went on, check out the full photo gallery: ow.ly/Kfzb5100bek
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The Faircliff in Washington, D.C. is our October Project Spotlight after being named Best Overall Project in the Phius Design Competition a few weeks ago🌟 Learn more: ow.ly/HL6P5100h1P
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Congratulations to the Hidden Lake Team! Your single-family, new construction in Arvada, Colorado is now Phius CORE 2021 Certified!
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From near and far, you all made your way to Phoenix! 📍💙 As we wrap up our PhiusCon 2026 memories, we wanted to give one last shoutout to everyone who made the trip and helped make this year's conference so special. Until we meet again in Pittsburgh! 👋
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ICYMI: Our latest blog reflects on PhiusCon 2026 and looks ahead to what comes next: ow.ly/amUo50ZXO7o
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Congratulations to the Lemon Street Passive House team! Your single-family, new construction project in Lancaster, Pennsylvania is now Phius ZERO 2024 Certified!
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Join Reimagine Buildings ’26 on Nov. 6 for practical solutions in materials, design, and delivery. 💻 Online | Sessions being submitted for AIA HSW, Phius & PHI credits. Register: ow.ly/x9if50ZYfY6 #ReimagineBuildings #PassiveHouse
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From the first climate-specific standard in 2015 to what's ahead with Phius 2027. Haley Harlow reflects on how far Phius standards have come in her latest article for Passive House Accelerator: ow.ly/Cxxn50ZY9xx
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"We built Phius together, and now we have to build what comes next together." Post-PhiusCon thoughts courtesy of Phius Founder & Co-Executive Director Katrin Klingenberg: ow.ly/XhNu50ZXO7n
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We're heading to📍Pittsburgh! Save the date for PhiusCon 2027, November 2-4. We hope to see you there!
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Congratulations to the Brownsville Arts Center and Apartments team! Your mixed-use, new construction project in Brooklyn, New York is now Phius CORE 2021 Certified!
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"Together, we believe the next phase of climate leadership requires integrating operational and embodied carbon into a common framework for decision-making." Our latest blog offers a tease of an upcoming carbon paper: ow.ly/xxFI50ZW7bZ
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Congratulations to the Dover Station Condos team! Your multifamily, new construction project in Roxbury, Massachusetts is now Phius CORE 2024 Certified!
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The BE+ Green Building Showcase is back on Nov. 4 at David Rubenstein Treehouse at Harvard’s new Enterprise Research Campus in Allston! Come on out to celebrate progress greening the built environment and the teams pushing the industry forward! Register: builtenvironmentplus.org/gre…
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Congratultions to the Bethany Terraces team! Your multifamily, new construction project in Brooklyn, New York is now Phius CORE 2021 Certified!
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Congratulations to the Lind Residence team! Your single-family, new construction project in Scottsdale, Arizona is now Phius CORE 2024 Certified!
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