Everything depends on the cost of this device. Theoretically, it is required not more than 1 to 2 months per year, and if the purchase amount of the engine preheater is too high, it is unlikely to be justified. The place of residence should also be borne in mind. This device in Hyundai ix35 can be useful for people in the regions of the Far North, Yakutia, Siberia, etc. But under normal climatic conditions the car is turned quite well and at minus 20-30 C.
