Our Energy savings calculation software is a proven method in calculating the energy savings benefits of revolving doors. Using this technology, we have developed an energy savings counter, monitoring the quantity of energy Boon Edam revolving doors are saving worldwide in Kwh and CO2 emission reduction compared to conventional entrances solutions. Our energy savings counter started at the beginning of 2008 and continues to calculate the energy savings per door per second. As an average (dependent on dimensions), Boon Edam revolving doors save 10,000Kwh per year per door.