Led by Tomás O’Leary,
internationally respected Passive House designer and co-founder of mosart, this course combines over 30 years of deep expertise with world-class instruction.
What Makes This
Course Different?
Unlike generic training providers, mosart is a globally recognised Passivhaus consultancy and architecture practice. We’re actively shaping the future of sustainable construction—with more certified professionals, larger projects, and deeper expertise than anyone else in the field.
Over 3 million sq ft of certified Passive House buildings
Projects in Ireland, the UK, Europe and beyond
More qualified Passivhaus certifiers than any other company globally
Course content rooted in real buildings, not hypothetical examples
Course Features
Expert Instruction
Learn from Tomás O’Leary, global Passivhaus pioneer and co-author of Ireland’s national Passive House guidelines.
Learn Passive House At Your Pace
Study when it suits you, wherever you are. Perfect for professionals balancing CPD with project work.
Two Live Webinars
Join optional live sessions with our expert tutors to ask questions and get direct support during your learning journey.
Certification-Ready Tools
Includes full training in the Passive House Planning Package (PHPP)—with a filled-out PHPP provided for you to explore and understand.
Applied, Real World Focus
See inside our actual consultancy workflow and building projects, not just theory. We’ve done the hard work, so you can focus on design outcomes.
Rewatchability and Reinforcement
Students can revisit complex modules, especially PHPP walkthroughs. Addresses feedback that key demonstrations (e.g. PHPP) are hard to retain in live format.
6 Months of Unlimited Access
Learn on your terms with six months of full access to the entire course content. Whether you want to dive in intensively or pace your learning alongside project work, this flexible timeframe ensures you can revisit key modules, refine your understanding, and absorb the material at a rhythm that suits you.
What You’ll Learn
Module 1: Introduction to Passive House
Foundations of the standard and its global impact.
Module 2: Insulation & Airtightness
How to create thermal envelopes that eliminate heat loss.
Module 3: Thermal Bridging
Identification, analysis, and design techniques to eliminate bridging.
Module 4: Windows & Ventilation
Selecting the right components for thermal comfort and indoor air quality.
Module 5: Heating, Cooling & Renewables
Module 5: Heating, Cooling & Renewables How Passive House changes system design—plus how to integrate renewables.
Module 6: PHPP Training
Get hands-on with the Passive House Planning Package—our custom Mosart UI lets you manipulate variables and see the impact instantly.
Module 7: Certification, Economics & QA
Certification process, quality assurance steps, and financial/business case.
Most learners find that 4–6 hours per week allows them to complete the course comfortably in 2–3 months—but you can go faster or slower depending on your pace.
From large-scale residential developments (like Cairn’s Passive House schemes) to public buildings and retrofits—we’re at the forefront of delivering real-world performance at scale.
We don’t just teach Passivhaus—we live and breathe it. With Mosart, you’re learning from the very people setting the bar, not just interpreting it.
FAQs
Some of the most common things people ask us.
Yes. Successful completion of the exam earns you international certification as a Certified Passive House Designer or Consultant (PHI).
Yes. The course is 100% online, with live webinars and digital materials.
Every session is recorded and shared for replay—so you can catch up anytime.
Architects, engineers, building professionals, and consultants aiming to certify and design to the Passivhaus standard. No prior experience is required.
Yes—our team guides you step-by-step. You’ll work with real PHPP files and get expert feedback.
Yes. While we maintain high pass rates, you can always retake the exam via PHI if necessary.
Yes. The course qualifies for CPD points across most professional bodies. A certificate of attendance is provided.