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Quality assurance in Passive House projects

We offer various quality assurance measures in order to ensure successful project planning for your Passive House building.

We provide advice for the conception, planning and implementation of your project in order to be able to make systematic use of planning opportunities. Planning variants of the resulting building are continuously verified using the PHPP so that the required specific values can be achieved (energy balance 15 kWh/(m²a) and heating load calculation 10 W/m²). On site we carry out BlowerDoor tests and thermographic imaging  in order to verify the quality of the external envelope.

Our services

Advice from the outset   Energy balance and heating load calculation using the PHPP


On site verification: thermographic imaging and Blower Door tests

Next Courses

Passive House Designer & Consultant Course
05 to 13 Nov 2018, Darmstadt
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PHPP / designPH Workshop
12 to 13 Nov 2018, Darmstadt
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15th Passive House Open Days
09 to 11 Nov 2018, worldwide
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03 - 03 May 2019, Heidelberg
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21 - 22 Sept. 2019, China
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Component Database

Passive House
Component Database
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New developments

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PHPP 9 (2015)
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Seals for Certified Passive House Components
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Passive House Classes,
Classic, Plus, Premium
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EnerPHit -
PHI certification for retrofits
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Wall plaque
for certified Passive Houses
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Press releases

Latest press releases

Research & Literature

Passive Houses for different climate zones

Retrofits with Passive House components -
EnerPHit Planner Handbook
(in German)


Passive House Retail Stores now out
Overview of contents
(in German)

PHI Literature

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