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.
Live Webinar – July 2025
The July course runs over three consecutive weeks with live online training, culminating in the official Certified Passive House
Designer Exam on Friday, 29 August 2025
Live Webinar – August 2025
The August course runs over three consecutive weeks with live online training, culminating in the official Certified Passive House
Designer Exam on Friday, 23 September 2025
Live Webinar – November 2025
The November course runs over three consecutive weeks with live online training, culminating in the official Certified Passive House
Designer Exam on Friday, 16 December 2025
What You’ll Learn
All nine modules, delivered live by the experts behind Ireland’s most advanced Passive House buildings:
Principles & Performance
Standards
Insulation, Thermal Envelopes & Airtightness
Thermal Bridging
Elimination
Window Design
& Indoor Air Quality
Ventilation Systems, Heating,
Cooling & Renewables
PHPP Software – Complete
Training & Tools
Economics, Certification
process & QA
Mock Exam
& Exam Prep
Live Q&A, Project Walkthroughs & Final Review
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
2,500+ professionals trained
More PHI-accredited certifiers than any other firm globally
Training built around actual projects, not classroom hypotheticals
Included in your course fee (€2,880)
● Full PHPP training + access to custom Mosart interface
● Live Q&A sessions with Mosart experts
● Session recordings for flexible replay
● Official PHI exam on 29 August
● Course materials, sample files, design tools
● Exam Preparation Material
● CPD certificate on completion
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.
