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Phius Certified Passive House Design by AWH Architects
We specialize in Phius Certified Passive House design for single-family homes, multi-family residences, and commercial projects—both new and existing. Our approach maximizes energy efficiency, enhances indoor air quality, and ensures superior comfort and sustainability—without compromise.

Why passive house?
Passive House design is a performance-based approach that prioritizes energy efficiency, comfort, durability, and sustainability.
Key Benefits:
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Exceptional Energy Efficiency – Uses up to 80% less energy for heating and cooling compared to conventional buildings.
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Superior Comfort & Air Quality – Airtight construction, thick insulation, high-performance windows, and efficient mechanical systems create a healthier, more stable indoor environment.
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Durability & Resilience – Built to withstand extreme climates, natural disasters, and temperature fluctuations, ensuring long-term reliability.
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Cost Savings – Low upfront costs lead to significant long-term savings on energy and maintenance.

Why Choose Phius Certified Building?
Phius Certified buildings go beyond standard energy codes, undergoing a rigorous quality control process to ensure environmental safety and occupant well-being.
Phius Certified Buildings typically achieve a DOE ZERH HERS Rating Score between 0 and 35.

AWH approach
Our Phius Certified Approach
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Climate-Specific Design – Every project is customized to its unique climate conditions, whether it's the extreme heat, cold, and humidity of the Midwest or any other region.
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Expert Guidance – Our in-house specialists support you from concept to certification, ensuring a smooth and successful process.
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Optimized Performance – We maximize efficiency with high-performance materials, strategic site and solar planning, and advanced energy modeling.
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Seamless Collaboration – We partner with developers, homeowners, and builders to deliver Passive House solutions that align with budgets and goals.
AWH Phius Alliance Team:
Anna Koosmann – Architect and Phius Certified Consultant (AIA, CPHC)
Jacob Dommer – Phius Alliance Designer

Our approach ensures high-performance, energy-efficient buildings tailored to your needs.

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Get in touch
We works with homeowners, developers, and organizations to design Phius Certified buildings that align with your sustainability and performance goals.