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Join low-energy experts Coaction and SIGA on-site in High Wycombe for a dynamic, hands-on day exploring how construction professionals can deliver real building performance on site.
Published on 19/02/2026
Written by Tabitha Binding
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Do you need a Passivhaus top up? We now offer our Certified Passivhaus Designer course as modules and there are PHI renewal points available too.
Published on 17/02/2026
With heat pumps and a decarbonising grid, is Passivhaus worth the extra effort?
Published on 08/01/2026
Written by Nick Grant
"The information presented was derived from practical experience, it was clear that the process has and will continue to be a learning exercise, continually improving knowledge and execution."
Christopher LewisSenior ArchitectSpring Design
"The course have given me further confidence particularly in managing Retrofit projects and the importance of understanding building physics. Our next project is an EnerPHit which I feel much better prepared for and looking forward to it starting!"
Nikki LambertDirectorLambert Home Builds
"You can complete the THERM course as quickly or slowly as you like to fit in with your own schedule, and there is one years course access!"
Bethan GriffithsSenior Architectural AssistantSpring Design
"I had no experience in Passive House before, but the teachers and material guide you, making it accessible for everyone."
Pedro Bravo NavarroPassive House ConsultantWarm: Low Energy Building Practice
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