diff -r b9af88bfe972 -r 1b1e2d4c1a3e src/global.h
--- a/src/global.h	Thu Jul 07 14:57:24 2022 +0200
+++ b/src/global.h	Thu Jul 07 17:02:17 2022 +0200
@@ -696,6 +696,16 @@
 extern const char * const g_prod_split[];
 extern const char * const g_recipe_types[];
 extern const char * const g_style_types[];
+extern const char * const g_chiller_types[];
+
+enum ChillerTypes {
+	CHILLER_TYPE_NONE,
+	CHILLER_TYPE_EMERSION,
+	CHILLER_TYPE_COUNTERFLOW,
+	CHILLER_TYPE_AUBAINMARIE,
+	CHILLER_TYPE_NATURAL
+};
+
 extern const char * g_ibu_method[3];
 
 enum FermentableTypes {