Very happy with the course, although it still takes a lot of study. Jesús and Claudia were very attentive to every question. Very well explained, with good extra material. I would recommend it a thousand times.
Course review
Passivhaus training
Leading the development of Passivhaus, healthy, efficient and Net Zero buildings.
Zepassiv is an international engineering firm specialising in the Passivhaus standard. We support architects, engineers, developers, builders and public bodies in the design, optimisation, construction and certification of highly energy-efficient buildings.
Backed by two decades of experience in sustainable architecture and building physics, we act as your strategic technical partner throughout the project cycle, from initial economic feasibility studies to final audit and certification.
Our approach goes beyond traditional consultancy: we actively integrate into design teams and on-site implementation to ensure real and measurable results.
What we offer
Areas of intervention
We specialise in buildings Passivhaus and Net Zero. We rigorously apply building physics, with a practical vision of the construction site, adapting the requirements of the standard to the particularities of each climate and facilitating its implementation.
Comprehensive consultancy
Passivhaus design and optimisation. Technical and economic feasibility studies.
Advanced calculation
Energy modelling in designPH and PHPP 10. Dynamic hourly simulation with IES VE or WUFI.
Total guarantee
Official Passivhaus, EnerPHit and Low Energy Building certification.
Control
Site supervision. Airtightness tests, acoustic measurements, thermography and smoke testing.
Guaranteed airtightness
We help you pass the BlowerDoor test, 100% guaranteed.
Training
Official training in Passivhaus and for BlowerDoor technicians.
Methodology
How work with
Integration in the project
We are incorporated into the work structure from the conceptual phase. We assign a specific technical consultant to each project to ensure the viability of the solutions and an immediate response to any design or execution challenge on site.
Efficiency and real savings
We understand the Passivhaus standard as the applied building physics, not as a mere stamp or administrative formality. We prioritise technical excellence and comfort, always ensuring solutions with the best cost-benefit ratio:
- Real savings in energy demand
Guaranteed thermal and acoustic comfort
Healthy pathogen-free environments
Long-term resilience and durability
360º vision
We manage the entire project cycle, from the conceptual phase to final certification. We apply a transversal vision that integrates energy efficiency with the structure, installations, architectural design and execution. Thanks to an extensive network of partners, we manage the complete cycle.
About us
Our dedicated team
Professionals with real international experience in Passivhaus.
Jesús Menéndez
Director
CEO of Zepassiv. PhD in Civil Engineering (UK), MSc in Timber Engineering (UK / NZ). Forestry Engineer (ES) and Technical Engineer in agri-food industries (ES). Trainer, consultant and Passivhaus certifier. Level II expert in Blower Door testing.
Jesús Menéndez is an international reference figure in the sustainable construction sector, standing out for his unusually complete technical profile that integrates two critical disciplines: structural timber engineering and building physics.
Roberto Urzúa
Senior Consultant
Architect, trainer, consultant and Passivhaus certifier.
Roberto has a decade of international experience in Passivhaus projects.
Within Zepassiv, he specialises in auditing non-residential projects, in particular in the education and hotel sectors.
He is accredited as a BlowerDoor test technician.
Sibila Niborski
Senior Consultant
Architect, MArch in Architecture and Sustainability.
Sibila is a designer and PHPP Expert with a strong focus on auditing large-scale residential projects at the design stage.
Expert in 2D and 3D construction detail simulations.
Reshma Charamathu-Parambil
Passivhaus Consultant
Civil Engineer, MSc Architectural Engineering Environmental Design.
Reshma is an accredited Passivhaus Designer and specialises in audits of single-family houses at the design stage.
She is also responsible for the management of training courses.
Samin Sefander
Passivhaus Consultant
Architect, MSc Sustainable Architecture.
Samin is a Passivhaus construction technician and specialises in the audit and coordination of non-residential and large-scale projects in the construction phase.
Christian Medina
Passivhaus Consultant
Architect, MSc Sustainable Architecture.
Christian is an accredited Passivhaus designer, specialising in bioclimatic architecture and dynamic building simulation.
Jesus Escobar
Timber structure modeller
Higher technician in building projects.
Jesús Escobar is also a Passivhaus consultant and Passivhaus project execution technician, with a strong specialisation in timber construction.
Claire Richardson
Project Manager
Bachelor of Arts (BA Hons) in Design and Applied Arts.
Claire is in charge of design and social media communication, as well as the administrative management of Zepassiv.
Testimonials
What they say about us
Clients
Some companies we've worked with
Text description
