punktwissen Proyer & Stangl OG is a technical consultancy based in Zagersdorf, Eastern Austria, about 55km to the south of Vienna.

punktwissen is an artificial German word made up of punkt (point) and wissen (knowledge), representing our way of contributing to technical projects: Getting to the point and boiling down knowledge to the essential information.

We plan and design heat pump systems for private customers - in particular we support DIY enthusiasts.
[ ► Heat Pump Planning ]

We are physicists and engineers with experience in R&D, IT consulting and project management.
[ ► About Us ]

We leverage our long-term IT experience in providing efficient, cost-effective and reliable control systems.
[ ► IT Consulting Services and Building Technology ]