Contact us

Product information

For information on ordering and buying designPH please click on the corresponding price at the Product details page, or

Technical Support

If you are a designPH owner and need technical support, please login to access the resources in the members area. We have a new version of the support request form on the https://database.passivehouse.com platform.

I forgot my password

Your password for this site (designph.org) is your software (PHPP) registration code.

 I forgot my licence details: 

• If you bought designPH as a package with or upgrade to PHPP, this will be your PHPP registration code, found in your PHPP handbook on page 3.
• If you are a designPH 2.0 customer, please check your emails for "PHI Software Licence Information", or login to your account and check at https://database.passivehouse.com/designph/licences/