After years of running the Tado V3 smart heating system, I finally made the jump to Tado X. I figured it would be a solid upgrade. What I didn’t expect was just how much smarter, smoother, and more refined this system would be both in daily use and in the results it delivers. Let’s set the scene: I live in a four-story house, about 15 years old, heated the traditional way radiators in every room,…