Passivhaus Affiliate

Keeping Cool: avoiding overheating risks - On-demand

Date: On demand Time: 2 modules: 40 & 25 mins
Location: Online Cost: Free to all

On-demand     I     Free to all

As our climate warms, minimising the risks of overheating in new and existing buildings must be addressed. As a comfort-driven approach, the Passivhaus standard includes an overheating criterion that internal temperatures do not exceed 25ºC for more than 10% of the year, and best practice is a maximum of 0-2%.

The stress testing element of the Trust's overheating PHPP plug-in has been integrated into the new iteration of PHPP10. If you are a PHPP9 user, the stress testing feature is still included in our freely available plug-in. Other features of our plug-in including the detailed risk log and overheating heating key indicators designed for use with PHPP9, can now be run with PHPP10, by downloading our free PHPP10 compatible plug-in. Our detailed guidance, covers design strategies to reduce risk, key indicators of the likelihood of risk, and a series of stress tests that apply to all users.

The Keeping Cool: avoiding overheating risks short-course is now available on-demand! The course opens with a short introduction to the new overheating stress test in PHPP10 (see above) assisting designers to ensure summer comfort in their buildings. The first module introduces our technical overheating guidance, with a second module covering how to use our plug-in.


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The short course comprises two on-demand modules:

Module 1

On demand (40 mins)

The first video module explores the questions of how buildings overheat and whether Passivhaus buildings overheat, explains strategies to counter overheating as well as key indicators and stress test.

Module 2

On demand (25 mins)

The second video module provides detailed instructions for using the PHPP plugin to assess and address overheating risk.


PHI Credit Renewal Points available: Delegates will earn 1 PHI credit point towards renewal of their Certified Passivhaus Designer / Consultant qualification. See here.



Free to access, thanks to funding from CITB. The on-demand short course is valid for 12 months.



Please access the on-demand short course via the online registration form. 

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Further information

PHT Guidance: Keeping Cool: Avoiding summer overheating

Design support: PHPP10

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