diff --git a/src/main.c b/src/main.c
index dbe3796..2ddc4cb 100644
--- a/src/main.c
+++ b/src/main.c
@@ -73,22 +73,24 @@ int main(void)
 		/* Set relais based on temperature if heating logic is enabled */
 		if (heating_logic_enabled)
 		{
-			bool temp_condition = temp < temperature_threshold;
-			bool floor_condition = true; // Default: ignore floor temp if sensor not available
+			bool temp_below_threshold = temp < temperature_threshold;
+			bool floor_below_threshold = true; // Default: ignore floor temp if sensor not available
 
 			// Only check floor temperature if MLX sensor is working
 			if (mlx90614_sensor_available)
 			{
-				floor_condition = floor_temp < floor_temp_threshold;
+				floor_below_threshold = floor_temp < floor_temp_threshold;
 			}
 
-			if (temp_condition && floor_condition)
+			// Heat ON only if BOTH temperatures are below their thresholds
+			// Heat OFF if ANY temperature reaches its threshold
+			if (temp_below_threshold && floor_below_threshold)
 			{
-				relais_state = 1; // Heat on below thresholds
+				relais_state = 1; // Heat on - both temps below thresholds
 			}
 			else
 			{
-				relais_state = 0; // Heat off if any threshold exceeded
+				relais_state = 0; // Heat off - at least one threshold reached
 			}
 			set_relais_state(relais_state);
 		}