The TVH 600 is the best heater I have ever owned, hands down.
The remote control actually senses the air temperature, and the system's heating cycles are based on the remote, instead of the temp at the unit. The touchscreen display is very easy to use, and makes it simple to adjust the many settings that you can customize. I have had experience with other Vornado products, so I already knew the fan that is built into these heaters make these function very well, and very efficiently. This is no exception- in fact the heater design in the TVH 600 seems to be one of Vornado's best yet.