Developed by the Passive House Institute, the PHPP is a reliable basis for planning the energy concepts of efficient buildings. With its detailed user manual, the Excel-based calculation tool is not only useful for building design, but also as a means of verifying compliance with the Passive House Standard.

iPHA Discount price
If you are a registered member of the International Passive House Institute in Germany (or a member of a US-based affiliate of the International Passive House Institute in Germany), you are eligible for the iPHA discount prices if you provide the name of the organization you are registered with in the 'Membership / Order' field. The PHPP link will only be sent once we confirm current registration with the organization provided.

Upgrades
If you purchased PHPP 9 through foursevenfive.com previously, you are eligible to received PHPP version 10 for the discount rate by providing the Order Number of your previous purchase in the 'Membership / Order' field.

Downloads
PHPP e-book and software are distributed through a download link

designPH
PHPP 10 Metric can be used with designPH software.

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Developed and refined over decades by the Passivhaus Institut in Germany, PHPP is the world’s most accurate and verified software for the design of ultra-low energy buildings. This dynamic macro-embedded Excel spreadsheet is used worldwide by architects, engineers, builders and planners who wish to design truly sustainable buildings in any climate.

Advantages of the Passive House Planning Package :

Energy balance calculation in the common Excel format
Easy and direct data input, in a flexible way where required
Validated result accuracy
Continually being further developed
Verification for Passive House buildings and EnerPHit retrofits
Detailed manual with tips for energy efficiency
Interface for import/export of data from/into other programms
Can be combined with the 3D tool designPH (plugin for SketchUP)

Design Tools

DesignPH v2.2.20 (IP Compatible)

PHPP 10