diff --git a/lass/1systems/icarus/physical.nix b/lass/1systems/icarus/physical.nix
index 861bd8b0b..bd74c29f3 100644
--- a/lass/1systems/icarus/physical.nix
+++ b/lass/1systems/icarus/physical.nix
@@ -46,6 +46,15 @@
   '';
 
   services.thinkfan.enable = true;
+  services.thinkfan.levels = ''
+    (0,     0,      55)
+    (1,     48,     60)
+    (2,     50,     61)
+    (3,     52,     63)
+    (6,     60,     65)
+    (7,     80,     85)
+    (127,   90,     32767)
+  '';
 
   services.logind.lidSwitch = "ignore";
   services.logind.lidSwitchDocked = "ignore";