REHAU NEA SMART 2.0. With smart regulation, the right feel-good climate Even smarter and more comfortable: With the intuitive NEA SMART 2.0 app from REHAU, you now have the opportunity to regulate the comfort temperature of your surface heating and cooling anytime and anywhere. The intelligent individual room control not only allows you to keep the desired temperature room by room according to time programs or innovative geofencing function, but also helps you to save the environment and your