In most cases, you wouldn’t ever know a car had one installed without seeing the telltale electrical plug hanging through the grill. But as the mercury begins to plunge each year, it becomes clear why block heaters are the unsung heroes of the frozen north.
Block heaters aren’t necessary in temperate areas. If you live in an area where you see freezing temperatures in the winter, but a hard freeze is rare, you’ll probably get more use out of a remote starter than a block heater.
When you live in a colder area, finding and installing the right engine block heater can be extremely important.