Energy Saving International AS (ENSI) has developed software allowing the user to calculate all energy consuming elements in a building:
For demo version of the "Key Number Software" program and User Guide documentation please go to ENSI Software.
At the same web page you can find "Economy Software", another ENSI tool for easy calculation of profitability of all your energy conservation and renovation measures, like:
ENSI is a Norwegian based consulting company with activities in the field of energy conservation, energy efficiency, climate change mitigation and business development. ENSI has extensive experience in Central, Eastern and Southeastern Europe, the Baltic's and the Commonwealth of Independent States (CIS).