Crataegus Care center provides residential and care services for people with a (limited) need for care or attention. From the foundation to the roof, the new building is full of innovative hybrid technology. No gas, everything electric and no waste of energy. The solar panels and ground heat supply electricity and hot water and keep the building comfortable with heat pump and heat recovery ventilation. Residents also have their own heating or cooling system to determine the desired comfort themselves. The Off-Grid Factory provided an energy storage system for the residential facility to run LED lighting on DC.