Passive House
Passive House Certification PHIUS ( Passive House Institute US) and PHI ( Passive House Institute Germany) are Passive House accredited certification bodies. They educate and guide the design and construction of passive building structures. Our Certified Phius Builder professionals are committed to helping you achieve your energy and wellness goals.
How do I get a Passive House certified building? Work with a Certified Passive House Designer (CPHD) such as Duncan Architect Your CPHD will provide the necessary overall design, details, and energy model for certification, tailored to your individual situation Finally your CPHD will obtain certification for your building from a certification ...
Passive House and Building Science Consulting

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.
Find a Professional
Products Phius Certified Products are guaranteed to perform to passive standards View Products Product Certification Overview Window Certification Panel Certification Professionals Phius Certified Professionals are on the cutting edge of high-performance building Find a Professional

Find a Passive House professional Check out the following maps or use the advanced search options to get the contact details of certified Passive House professionals in your region!
Overview of Passive House Certified Penthouse Apartment Contractors
Phius is the smartest path to a zero-carbon built environment, certifying the majority of all passive house projects in North America with our locally tailored, globally applicable passive building standard.

Passive Houses provide a very high level of comfort coupled with an extremely low energy consumption. The Passive House standard offers excellent cost-effectiveness, especially for new buildings. The slightly higher initial investment is quickly recouped thanks to the significant energy savings during the life cycle of the building.
Key Details About Passive House Certified Penthouse Apartment Contractors
The certification of a Passive House through the Passive House Institute or any of its accredited Building Certifiers offers enhanced quality assurance. The vast experience of these Certifiers benefits designers throughout the planning process whereas the certification itself provides evidence of the building's quality.
You can find Passive House professionals in our Member Directory. Search, and use the filter button, at left below, to refine results by Certification, Specialties, Business Type, and whether the member is actively working in Passive House . Find a Passive House professional that can help support your Passive House ambitions.