diff --git a/esphome/components/fan/fan.h b/esphome/components/fan/fan.h
index 0504b1010e..df42af9f99 100644
--- a/esphome/components/fan/fan.h
+++ b/esphome/components/fan/fan.h
@@ -130,7 +130,9 @@ class Fan : public EntityBase {
   /// Set the restore mode of this fan.
   void set_restore_mode(FanRestoreMode restore_mode) { this->restore_mode_ = restore_mode; }
 
-  /// Get the current preset mode (returns view of string stored in traits, or empty view if not set)
+  /// Get the current preset mode.
+  /// Returns a view of the string stored in traits (static storage), or empty view if not set.
+  /// Safe to use as the underlying string has static lifetime.
   std::string_view get_preset_mode() const {
     return this->preset_mode_ != nullptr ? std::string_view(this->preset_mode_) : std::string_view();
   }