Striving for success

Zero is the Goal
Phius is the means.

Phius Alliance Houston provides a community for the growing number of passive building professionals in our region.
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On a Zero-Carbon Mission

1 m
square feet of Phius
pre- and full certified projects
1 +
certified multifamily projects
1
states and provinces home to a Phius certified project

Our Mission

Phius Alliance Houston

We strive to advocate for passive house design and construction in our community through education, outreach, and collaboration.

More About Passive Building

Certify Passive Projects

Train and Certify Professionals

Set the Standard for Passive

Certify Products

Power Passive Building Research

Advocate for Passive Building

Regenerative design

Fly Flat Project

This project sought to address the need for infill housing while achieving environmental, economic and social resilience. Through modular design and various energy performance packages, the project delivers net zero homes that meet Houston’s 50% – 80% Area Median Income.

Learn About Our Fly Flat Project

CPHC, President

Jesse Hunt.

Phius Alliance Houston

Houston is a world class city in many respects. We are home to the world’s largest medical center and rodeo, are the birthplace of NASA, and have the most diverse population in the nation. While diversity is likely our greatest asset, we are not known as a bastion of green building practices. Heat, humidity, and hurricanes are some of the greatest challenges we face on an ongoing basis. We are fortunate that Phius developed a climate-specific and cost-optimized standard appropriate for our cooling and drying needs. These buildings are comfortable, efficient, and more resilient to the natural disasters we Houstonians experience periodically. There is an incredible interest growing in our community to build Passive House projects. Thankfully, we have the tools and resources to do so.
CONTACT Our Chapter

meet the Board

Phius Alliance Houston

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Gil Ramirez

CPHB

Shelly Pottorf

AIA, CPHC

Stefan Goebel

CPHC, Vice President

Towana Davilmar

CPHC, Secretary

Ryan Kiefer

CPHC, Treasurer

Matt Gonzales

CPHC

About Us

Phius Alliance Houston

The Phius Alliance is the membership arm of Phius. As the community of Phius-trained professionals grows, the Phius Alliance Houston chapter allows local practitioners to connect with one another to advance the Phius standard. Phius Alliance Houston is committed to building community and helping connect members across the region.
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More About Us

Passive Building:
A Better Way to Zero

What is passive building? Guided by design principles, passive buildings are energy efficient within a specific quantifiable comfort level. “Optimize your gains and losses” based on the local climate.

  • Optimized insulation and airtight construction provide unmatched comfort even in extreme weather conditions.
  • Continuous mechanical ventilation of fresh filtered air provides superb indoor air quality.
  • A comprehensive systems approach to modeling, design, and construction produces extremely resilient buildings.
Learn More
Learn why it's worth doing!

The Phius Alliance: Leading the Way to Zero

The Phius Alliance is Phius’ membership arm, consisting of more than 500 industry professionals from across North America. Enjoy unmatched member benefits, including access to a nationwide network of passive building professionals, exclusive resources, and discounts on trainings and events. Already a Phius certified professional? You’re automatically a Phius Alliance member.
Join the Phius Alliance

Why Choose Us

Getting to Zero
Takes All of Us

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Building a Sustainable Future

Get Certifed

Build Smarter

A vast majority of certified passive buildings in North America are Phius certified.

Submit a Project

Get Started

Be part of the passive building movement in North America. Pre- or schematic design is the best time to start the Phius certification process.

View Project

Certified Project Database

Phius has certified more than 2,000 units and counting.

Our Reach

Globally Applicable, Locally Tailored

42 states/provinces and counting are home to a Phius certified project.

Phius has given us the education, the tools, the building science knowledge, and the ongoing community support to put into practice what 16 years ago was still a vision: building that leave no trace on the climate.

- Dave Brach, Owner, Brach Design

Phius Project Certification

Building a Sustainable Future

Phius is the passive building standard, certifying most projects in North America. Learn how to get certified, and explore the wide array of projects that demonstrate how the Phius standard can be applied to any type of building!
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have questions?

Frequently Asked Questions

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CONTACT us

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