diff --git a/src/config.hpp b/src/config.hpp
index fce843e..9e63a89 100644
--- a/src/config.hpp
+++ b/src/config.hpp
@@ -5,7 +5,7 @@
  *                 Variants                    *
  ***********************************************/
 // @note You can use -D flag to define the variant and comment out the line below
-#define AC_TYPE AC_TYPE_CEILING
+#define AC_TYPE AC_TYPE_DUCTED_VARIANT_2
 
 /***********************************************
  *               Pin Definitions               *
@@ -31,7 +31,7 @@
 
 // @note The infrared codes are defined in ir_codes.hpp and ir_codes.cpp
 
-// Air Conditioner Type for First and Second Year Classrooms
+// Air Conditioner Type for First and Second3 Year Classrooms
 #if AC_TYPE == AC_TYPE_DUCTED
 #define AC_MIN_TEMP 15
 #define AC_MAX_TEMP 30
diff --git a/src/constants.hpp b/src/constants.hpp
index 190d86e..2e11233 100644
--- a/src/constants.hpp
+++ b/src/constants.hpp
@@ -1,4 +1,5 @@
 #pragma once
 
 #define AC_TYPE_DUCTED 0
-#define AC_TYPE_CEILING 1
\ No newline at end of file
+#define AC_TYPE_CEILING 1
+#define AC_TYPE_DUCTED_VARIANT_2 1
\ No newline at end of file