diff --git a/esphome/components/factory_reset/__init__.py b/esphome/components/factory_reset/__init__.py
index f3cefe6970..5784d09ce6 100644
--- a/esphome/components/factory_reset/__init__.py
+++ b/esphome/components/factory_reset/__init__.py
@@ -50,7 +50,9 @@ CONFIG_SCHEMA = cv.All(
             cv.GenerateID(): cv.declare_id(FactoryResetComponent),
             cv.Optional(CONF_MAX_DELAY, default="10s"): cv.All(
                 cv.positive_time_period_seconds,
-                cv.Range(min=cv.TimePeriod(milliseconds=1000)),
+                cv.Range(
+                    min=cv.TimePeriod(seconds=1), max=cv.TimePeriod(seconds=65535)
+                ),
             ),
             cv.Optional(CONF_RESETS_REQUIRED): cv.positive_not_null_int,
             cv.Optional(CONF_ON_INCREMENT): validate_automation(
@@ -82,7 +84,7 @@ async def to_code(config):
         var = cg.new_Pvariable(
             config[CONF_ID],
             reset_count,
-            config[CONF_MAX_DELAY].total_milliseconds,
+            config[CONF_MAX_DELAY].total_seconds,
         )
         await cg.register_component(var, config)
         for conf in config.get(CONF_ON_INCREMENT, []):
diff --git a/esphome/components/factory_reset/factory_reset.cpp b/esphome/components/factory_reset/factory_reset.cpp
index c900759d90..bbbe399148 100644
--- a/esphome/components/factory_reset/factory_reset.cpp
+++ b/esphome/components/factory_reset/factory_reset.cpp
@@ -8,8 +8,7 @@
 
 #if !defined(USE_RP2040) && !defined(USE_HOST)
 
-namespace esphome {
-namespace factory_reset {
+namespace esphome::factory_reset {
 
 static const char *const TAG = "factory_reset";
 static const uint32_t POWER_CYCLES_KEY = 0xFA5C0DE;
@@ -33,10 +32,10 @@ void FactoryResetComponent::dump_config() {
   this->flash_.load(&count);
   ESP_LOGCONFIG(TAG, "Factory Reset by Reset:");
   ESP_LOGCONFIG(TAG,
-                "  Max interval between resets %" PRIu32 " seconds\n"
+                "  Max interval between resets: %u seconds\n"
                 "  Current count: %u\n"
                 "  Factory reset after %u resets",
-                this->max_interval_ / 1000, count, this->required_count_);
+                this->max_interval_, count, this->required_count_);
 }
 
 void FactoryResetComponent::save_(uint8_t count) {
@@ -61,8 +60,8 @@ void FactoryResetComponent::setup() {
     }
     this->save_(count);
     ESP_LOGD(TAG, "Power on reset detected, incremented count to %u", count);
-    this->set_timeout(this->max_interval_, [this]() {
-      ESP_LOGD(TAG, "No reset in the last %" PRIu32 " seconds, resetting count", this->max_interval_ / 1000);
+    this->set_timeout(static_cast<uint32_t>(this->max_interval_) * 1000, [this]() {
+      ESP_LOGD(TAG, "No reset in the last %u seconds, resetting count", this->max_interval_);
       this->save_(0);  // reset count
     });
   } else {
@@ -70,7 +69,6 @@ void FactoryResetComponent::setup() {
   }
 }
 
-}  // namespace factory_reset
-}  // namespace esphome
+}  // namespace esphome::factory_reset
 
 #endif  // !defined(USE_RP2040) && !defined(USE_HOST)
diff --git a/esphome/components/factory_reset/factory_reset.h b/esphome/components/factory_reset/factory_reset.h
index 80942b29bd..990bb2edb6 100644
--- a/esphome/components/factory_reset/factory_reset.h
+++ b/esphome/components/factory_reset/factory_reset.h
@@ -9,12 +9,11 @@
 #include <esp_system.h>
 #endif
 
-namespace esphome {
-namespace factory_reset {
+namespace esphome::factory_reset {
 class FactoryResetComponent : public Component {
  public:
-  FactoryResetComponent(uint8_t required_count, uint32_t max_interval)
-      : required_count_(required_count), max_interval_(max_interval) {}
+  FactoryResetComponent(uint8_t required_count, uint16_t max_interval)
+      : max_interval_(max_interval), required_count_(required_count) {}
 
   void dump_config() override;
   void setup() override;
@@ -26,9 +25,9 @@ class FactoryResetComponent : public Component {
   ~FactoryResetComponent() = default;
   void save_(uint8_t count);
   ESPPreferenceObject flash_{};  // saves the number of fast power cycles
-  uint8_t required_count_;       // The number of boot attempts before fast boot is enabled
-  uint32_t max_interval_;        // max interval between power cycles
   CallbackManager<void(uint8_t, uint8_t)> increment_callback_{};
+  uint16_t max_interval_;   // max interval between power cycles in seconds
+  uint8_t required_count_;  // The number of boot attempts before fast boot is enabled
 };
 
 class FastBootTrigger : public Trigger<uint8_t, uint8_t> {
@@ -37,7 +36,6 @@ class FastBootTrigger : public Trigger<uint8_t, uint8_t> {
     parent->add_increment_callback([this](uint8_t current, uint8_t target) { this->trigger(current, target); });
   }
 };
-}  // namespace factory_reset
-}  // namespace esphome
+}  // namespace esphome::factory_reset
 
 #endif  // !defined(USE_RP2040) && !defined(USE_HOST)