diff --git a/heating_cooling.ic10 b/heating_cooling.ic10
index e21bf5d..c67cb62 100644
--- a/heating_cooling.ic10
+++ b/heating_cooling.ic10
@@ -19,6 +19,9 @@ define wall_coolers -739292323
 define liquid_wall_coolers -1369060582
 define temp_convert 273.15
 
+move cooling_active 0
+move heating_active 0
+
 start:
 yield
 # establish min- and max-temps to registry