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
What Is a Certified Passive House Tradesperson?
Internationally Recognised Certification
The Certified Passive House Tradesperson qualification is awarded by the Passive House Institute and recognises construction professionals who understand how to deliver high-performance buildings on site.
Bridging Design and Delivery
Passive House performance depends on precision in construction. This qualification ensures tradespeople understand the building science behind airtightness, insulation continuity, and thermal bridge free detailing.
Performance, Not Assumptions
High-performance buildings only work when installation matches design intent. Certified tradespeople know how to protect performance on site and prevent costly performance gaps.
Practical Building Science
You will gain a clear understanding of heat transfer, moisture risk, ventilation principles, and airtightness strategies that directly influence comfort, durability, and energy use.
Confidence on High-Performance Projects
Whether working on Passive House, NZEB, or deep retrofit projects, this certification demonstrates competence, credibility, and attention to detail where it matters most.
A Competitive Advantage
As demand for measurable building performance grows across Ireland and the UK, certified tradespeople are increasingly valued by developers, contractors, and consultants seeking delivery certainty.
What You’ll Learn
Module 1: Passivhaus History and Principles
Understand the core principles behind Passive House and why performance on site determines whether buildings achieve their targets.
Module 2: Insulation & Thermal Envelope
Learn how to install insulation correctly to maintain continuous thermal performance and prevent hidden heat loss.
Module 3: Airtightness and Vapour Control
Gain practical knowledge of airtight layer installation and vapour control strategies that prevent energy waste and moisture damage.
Module 4: Thermal Bridging
Identify and eliminate common thermal bridges on site to reduce heat loss, condensation risk and long-term defects.
Module 5: Windows & Doors
Understand correct installation methods that protect thermal performance, airtightness and occupant comfort.
Module 6: Mechanical Ventilation
Understand how MVHR systems function and how correct installation and commissioning protect indoor air quality and efficiency.
Module 7: Heating & Domestic Hot Water
Understand low energy heating systems and efficient hot water strategies that align with Passive House performance standards.
Module 8: Exam & Certification
Prepare for and complete the Certified Passive House Tradesperson exam, demonstrating the knowledge and practical understanding required for internationally recognised certification.
FAQs
Some of the most common things people ask us.
This Passive House tradesperson training is designed for:
- Site managers
- Carpenters and joiners
- Bricklayers
- Insulation installers
- Window installers
- Plumbers and HVAC installers
- Contractors working on NZEB and low energy projects
- Construction professionals preparing for Passive House projects
If you are involved in delivering building fabric or services on site, this course strengthens your ability to deliver quality with confidence.
Yes. Passive House principles strengthen NZEB compliance by improving airtightness, insulation quality, and overall building performance.
No. The course is designed for construction professionals with site experience and introduces Passive House principles in a practical, accessible way.
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.
As demand for measurable building performance increases across Ireland and the UK, certified tradespeople are increasingly valued on high-performance projects.
