The Italian institute
for Passive Houses

We design, certify and promote the Passivhaus Standard in Italy and around the world.

Businesses and Craftsmen

Consulting, Training, Certification and Research & Development

Designers

Consulting, Training and Certification

End users and PA

Consulting and Certification

Passivhaus certification

Our expertise, your guarantee.

Zephir is Italy’s leading authority on Passivhaus certification for buildings.

PHI-certified technicians
Building certification
Component certification
Over 200 certified projects

Find out about the certification

5000

Professionals trained

100

Certified buildings worldwide

4

Projects carried out across several continents

Our projects

From private homes to large-scale developments, we deliver certified projects in Italy and around the world, adapting the Passivhaus Standard to suit every climate and cultural context.

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Our services

Design consulting

We support designers, contractors and clients in the development of truly high-performance buildings in accordance with the Passivhaus Standard.

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Research

We support businesses and manufacturers in the development and optimisation of high-performance building components.

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Professional training

We train the professionals who will shape the future of sustainable construction.

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Passivhaus certification

We assess and certify the performance of buildings in accordance with the internationally recognised Passivhaus Standard.

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Your journey starts here

Every project has different requirements.
Select your profile and discover the services and solutions best suited to your journey towards Passivhaus Standard.

Businesses and Craftsmen

Designers

End users and PA

Our international presence

From Italy to Europe, all the way to Canada, Australia and Asia: projects developed with Zephir’s support demonstrate how the Passivhaus Standard can adapt to very different climates, contexts and construction cultures.

This map shows where we have worked and where we are working today: private homes, complex buildings and projects across different climate zones, always with the same goal: ensuring real performance, living comfort and certified quality.

Each project represents a concrete step in the global spread of Passive House construction.

European and international projects

We are also incorporating the Passivhaus Standard into European programmes and international projects

The Italian reference for the Passivhaus Standard

Zephir is an institute for design, training and certification dedicated to Passive Building.

Through research, experience and methodology, we contribute to the spread of the Passivhaus Standard in Italy and worldwide.

Find out who we are

Trust is our most important achievement.

Designers, contractors and clients who have chosen Zephir describe an experience characterised by rigour, expertise and tangible results.

5.000+

Professionals trained and supported in achieving the Passivhaus Standard.

Architect Giovanbattista Mosa

Availability of teachers, vocational course, holistic approach, awareness of interventions.

Architect Marco Galletti

Online service: an excellent opportunity; an integrated project approach for complete control over the project; Passivhaus certification guarantees the result.

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The definitive guide to the Passivhaus Standard

Discover the book that helped popularise the Passivhaus Standard in Italy

Insights

In our blog you will find articles, conferences, seminars, initiatives, press coverage and video interviews that расскаunt the evolution of the Passivhaus Standard and Zephir’s commitment to spreading Passive Building.

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YED 2024 | The role of windows and doors in Passive Houses

Windows and sustainability: our journey at YED 2024 Our story from the fair, among cutting-edge windows and Passivhaus…

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The Italian institute
for Passive Houses

Passivhaus certification

5000

100