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Thermal Bridging in Details & Impact on Energy Use
Office Hour Recap – August 8 During this session, we dug into a very conventional problem: a basement column going through a floor...
Stefan Goebel
Sep 9, 2025


33 Joralemon – Phius CORE 2021 Design Certification
At Build Zero Consulting , we believe every project is an opportunity to shape a healthier, more resilient, and more sustainable future....
Stefan Goebel
Sep 3, 2025


John Grace Arms – Phius CORE 2021 Design Certification
Build Zero Consulting is proud to announce that John Grace Arms , an affordable multifamily housing project in Michigan, has officially...
Stefan Goebel
Jul 16, 2025


How does an IECC 2018 building enclosure hold up against a Passive Building (Phius) Enclosure? And what matters most, U-Value, R-Value or Air Leakage?
➡ Check out this Phius Prescriptive Snapshot (Residential) to IECC 2018 residential and commercial enclosure comparison. ➡ While the...
Stefan Goebel
Jun 28, 2024


Our client's wanted a healthy home for their children - bringing in fresh filtered outdoor air for the highest indoor air quality was something we wouldn't compromise on.
The contractor would typically couple the ERV fresh air supply with the heating and cooling air handler; we suggested to keep them...
Stefan Goebel
Jun 4, 2024


Multi-family buildings larger 12,000 sf require Phius Core or PHI certification under the residential specialized code in Massachusetts to receive a permit and allow occupancy after construction.
➡ Read on to attached section R405.2 to learn how the building department evaluates if the projects meets this requirement. ➡ As of May...
Stefan Goebel
Jun 4, 2024
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