Each room has a different temperature setting which is located next to the door on the wall. Below is a video that shows how to operate the heating in each room.

Most of Iceland’s houses are heated by geothermal water. The water runs through tubes in the floor which heats up the floors and warms up the place.
Note that it takes a little while for the heat to take affect so don’t put them on full blast just yet.

If the apartment or room is too hot we recommend opening up a window.  Opening up a window helps to adjust the heating quickly in the room since floor heating takes a bit longer to warm up or cool down.