Croonwolter&dros is one of the largest technology service providers in the Netherlands. Solar panels, charging stations, smart grids, ventilation, fire safety installations. They cover all smart technologies we require for a sustainable future. But what does a transition into that future look like? And where do you start? Together with their experts, we made a visual, interactive web-app that shows the before en after of the energy transition in and around buildings. See it here (in Dutch).