The cooler cools down a certain room to a certain temperature. However the output heat produces a lot of heat so it is advised to build it next to outside or use a vent.
-10C°, -1C°, 1C°, 10C°
- You can use this to make a fridge, however this is completely unnecessary if you spawn in the Northern part of the RimWorld or the Highlands in mountains.
- Coolers and Heaters have the same options for temperature control.