Design out heat loss. Discover how to use THERM software to identify and calculate 2D thermal bridges for better building performance.
Short, self-paced online course.
Learn how to use THERM software to model 2D thermal bridges & calculate Psi-values, critical for thermal performance in low-energy/Passivhaus design.
Ongoing access to the resources for 1 year plus earn 16 PHI Credit Points
Immediate Start
Self Study
1 Year Access
Coaction Team
£180 ex. VAT
This short course will teach you how to improve the energy performance of your buildings using THERM software. Focusing on 2D thermal bridges, you'll learn skills that you will also be able to apply to more complicated situations once you've mastered the exercises in this course.
The course is broken down into a series of short modules to guide your learning, with exercises throughout to test your understanding:
The THERM course is free when booking the CERTIFIED PASSIVHAUS DESIGNER COURSE.
| Duration | 2 days self-study |
| Delivery Format | Self-paced online learning |
| Price (Standard) | £180 ex. VAT |
| Next Start Dates | Ongoing - start anytime |
| Location | Online |
| Certification & Credits | 16 PHI Credit Points |
| Access & Materials | THERM tutorial files, reference library, 1 year course access |
| Funding Options | May be eligible under CPD / training budgets |
| Accessibility | Reasonable adjustments and additional learning support on request |
We believe better buildings start with better skills — that’s why every Coaction course is grounded in real project experience and focused on practical, actionable learning that builds confidence and competence.
Coaction exists to upskill the built environment — not for profit, but for impact. As a Community Interest Company, every penny goes back into improving training, supporting the workforce and accelerating the transition to low-energy, future-proof buildings.
Why choose Coaction?
This course will change your approach to and the way you think about and implement sustainable design forever.
What next? Continue learning and exploring how you can further your knowledge on the Passivhaus standard.
Coaction courses ( PHI renewal points)
Retrofit Delivery (16 PHI)
Passivhaus Trust and member approved courses
Certified Training | On Demand | Partner/Member Events
Conferences / Communities / Events
Passivhaus Trust | iPHA | AECB
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Keep in touch - we are here to support you.
Yes, all our session are recorded but we only offer access to these recordings upon request.
In our experience, the best outcomes happen when you attend all live sessions, however, in exceptional circumstances, with advance notice, we will be happy to provide a recording – please get in touch with your course manager.
Our terms and conditions state cancellations will be refunded at the following rates:
If you wish to defer, you must give at least 7 days notice and can defer once free of charge, subsequent deferrals may incur a £50 admin fee. Participant substitutions for courses can be made at any time but the person taking the exam must have completed the whole course.
Yes - we do offer this service. Please get in touch with us to discuss this further.
We offer 10% discount on groups of 3 or more on our Certified Passivhaus Designer course.
You will have access to the content on our E Learning platform for a year from the date of enrolment.
You can contact our team on 01752 686890 or email us at support@coaction.org.uk. We are here to help.
Where possible we will offer an alternative study plan to suit your availability, please get in touch to discuss this further.