diff --git a/esphome/components/sensor/sensor.cpp b/esphome/components/sensor/sensor.cpp
index 0a82677bc9..6df6347c18 100644
--- a/esphome/components/sensor/sensor.cpp
+++ b/esphome/components/sensor/sensor.cpp
@@ -6,6 +6,33 @@ namespace sensor {
 
 static const char *const TAG = "sensor";
 
+// Function implementation of LOG_SENSOR macro to reduce code size
+void log_sensor(const char *tag, const char *prefix, const char *type, Sensor *obj) {
+  if (obj == nullptr) {
+    return;
+  }
+
+  ESP_LOGCONFIG(tag,
+                "%s%s '%s'\n"
+                "%s  State Class: '%s'\n"
+                "%s  Unit of Measurement: '%s'\n"
+                "%s  Accuracy Decimals: %d",
+                prefix, type, obj->get_name().c_str(), prefix, state_class_to_string(obj->get_state_class()).c_str(),
+                prefix, obj->get_unit_of_measurement().c_str(), prefix, obj->get_accuracy_decimals());
+
+  if (!obj->get_device_class().empty()) {
+    ESP_LOGCONFIG(tag, "%s  Device Class: '%s'", prefix, obj->get_device_class().c_str());
+  }
+
+  if (!obj->get_icon().empty()) {
+    ESP_LOGCONFIG(tag, "%s  Icon: '%s'", prefix, obj->get_icon().c_str());
+  }
+
+  if (obj->get_force_update()) {
+    ESP_LOGV(tag, "%s  Force Update: YES", prefix);
+  }
+}
+
 std::string state_class_to_string(StateClass state_class) {
   switch (state_class) {
     case STATE_CLASS_MEASUREMENT:
diff --git a/esphome/components/sensor/sensor.h b/esphome/components/sensor/sensor.h
index c2ded0f2c3..ebfdb31ae7 100644
--- a/esphome/components/sensor/sensor.h
+++ b/esphome/components/sensor/sensor.h
@@ -12,26 +12,11 @@
 namespace esphome {
 namespace sensor {
 
-#define LOG_SENSOR(prefix, type, obj) \
-  if ((obj) != nullptr) { \
-    ESP_LOGCONFIG(TAG, \
-                  "%s%s '%s'\n" \
-                  "%s  State Class: '%s'\n" \
-                  "%s  Unit of Measurement: '%s'\n" \
-                  "%s  Accuracy Decimals: %d", \
-                  prefix, LOG_STR_LITERAL(type), (obj)->get_name().c_str(), prefix, \
-                  state_class_to_string((obj)->get_state_class()).c_str(), prefix, \
-                  (obj)->get_unit_of_measurement().c_str(), prefix, (obj)->get_accuracy_decimals()); \
-    if (!(obj)->get_device_class().empty()) { \
-      ESP_LOGCONFIG(TAG, "%s  Device Class: '%s'", prefix, (obj)->get_device_class().c_str()); \
-    } \
-    if (!(obj)->get_icon().empty()) { \
-      ESP_LOGCONFIG(TAG, "%s  Icon: '%s'", prefix, (obj)->get_icon().c_str()); \
-    } \
-    if ((obj)->get_force_update()) { \
-      ESP_LOGV(TAG, "%s  Force Update: YES", prefix); \
-    } \
-  }
+// Forward declaration
+void log_sensor(const char *tag, const char *prefix, const char *type, Sensor *obj);
+
+// Macro that calls the function - kept for backward compatibility
+#define LOG_SENSOR(prefix, type, obj) log_sensor(TAG, prefix, LOG_STR_LITERAL(type), obj)
 
 #define SUB_SENSOR(name) \
  protected: \