diff --git a/esphome/components/template/lock/automation.h b/esphome/components/template/lock/automation.h
index 42a2a826e2..a979291b78 100644
--- a/esphome/components/template/lock/automation.h
+++ b/esphome/components/template/lock/automation.h
@@ -6,7 +6,7 @@
 
 namespace esphome::template_ {
 
-template<typename... Ts> class TemplateLockPublishAction : public Action<Ts...>, public Parented<TemplateLock> {
+template<typename... Ts> class TemplateLockPublishAction final : public Action<Ts...>, public Parented<TemplateLock> {
  public:
   TEMPLATABLE_VALUE(lock::LockState, state)
 
diff --git a/esphome/components/template/valve/automation.h b/esphome/components/template/valve/automation.h
index a27e98b25c..ec9d784ab6 100644
--- a/esphome/components/template/valve/automation.h
+++ b/esphome/components/template/valve/automation.h
@@ -6,7 +6,7 @@
 
 namespace esphome::template_ {
 
-template<typename... Ts> class TemplateValvePublishAction : public Action<Ts...>, public Parented<TemplateValve> {
+template<typename... Ts> class TemplateValvePublishAction final : public Action<Ts...>, public Parented<TemplateValve> {
   TEMPLATABLE_VALUE(float, position)
   TEMPLATABLE_VALUE(valve::ValveOperation, current_operation)
 
diff --git a/esphome/components/template/water_heater/automation.h b/esphome/components/template/water_heater/automation.h
index d19542db41..3301a15af1 100644
--- a/esphome/components/template/water_heater/automation.h
+++ b/esphome/components/template/water_heater/automation.h
@@ -6,7 +6,7 @@
 namespace esphome::template_ {
 
 template<typename... Ts>
-class TemplateWaterHeaterPublishAction : public Action<Ts...>, public Parented<TemplateWaterHeater> {
+class TemplateWaterHeaterPublishAction final : public Action<Ts...>, public Parented<TemplateWaterHeater> {
  public:
   TEMPLATABLE_VALUE(float, current_temperature)
   TEMPLATABLE_VALUE(float, target_temperature)
diff --git a/esphome/components/template/water_heater/template_water_heater.h b/esphome/components/template/water_heater/template_water_heater.h
index 045a142e40..7d5f198553 100644
--- a/esphome/components/template/water_heater/template_water_heater.h
+++ b/esphome/components/template/water_heater/template_water_heater.h
@@ -13,7 +13,7 @@ enum TemplateWaterHeaterRestoreMode {
   WATER_HEATER_RESTORE_AND_CALL,
 };
 
-class TemplateWaterHeater : public Component, public water_heater::WaterHeater {
+class TemplateWaterHeater final : public Component, public water_heater::WaterHeater {
  public:
   TemplateWaterHeater();
 
diff --git a/esphome/components/text/automation.h b/esphome/components/text/automation.h
index ac8166d0be..916d86340d 100644
--- a/esphome/components/text/automation.h
+++ b/esphome/components/text/automation.h
@@ -6,14 +6,14 @@
 
 namespace esphome::text {
 
-class TextStateTrigger : public Trigger<std::string> {
+class TextStateTrigger final : public Trigger<std::string> {
  public:
   explicit TextStateTrigger(Text *parent) {
     parent->add_on_state_callback([this](const std::string &value) { this->trigger(value); });
   }
 };
 
-template<typename... Ts> class TextSetAction : public Action<Ts...> {
+template<typename... Ts> class TextSetAction final : public Action<Ts...> {
  public:
   explicit TextSetAction(Text *text) : text_(text) {}
   TEMPLATABLE_VALUE(std::string, value)
diff --git a/esphome/components/text/text_sensor/text_text_sensor.h b/esphome/components/text/text_sensor/text_text_sensor.h
index fd70ea3451..59fa04a75e 100644
--- a/esphome/components/text/text_sensor/text_text_sensor.h
+++ b/esphome/components/text/text_sensor/text_text_sensor.h
@@ -6,7 +6,7 @@
 
 namespace esphome::text {
 
-class TextTextSensor : public text_sensor::TextSensor, public Component {
+class TextTextSensor final : public text_sensor::TextSensor, public Component {
  public:
   explicit TextTextSensor(Text *source) : source_(source) {}
   void setup() override;
diff --git a/esphome/components/text_sensor/automation.h b/esphome/components/text_sensor/automation.h
index ab30362774..628b9b84a0 100644
--- a/esphome/components/text_sensor/automation.h
+++ b/esphome/components/text_sensor/automation.h
@@ -8,21 +8,21 @@
 
 namespace esphome::text_sensor {
 
-class TextSensorStateTrigger : public Trigger<std::string> {
+class TextSensorStateTrigger final : public Trigger<std::string> {
  public:
   explicit TextSensorStateTrigger(TextSensor *parent) {
     parent->add_on_state_callback([this](const std::string &value) { this->trigger(value); });
   }
 };
 
-class TextSensorStateRawTrigger : public Trigger<std::string> {
+class TextSensorStateRawTrigger final : public Trigger<std::string> {
  public:
   explicit TextSensorStateRawTrigger(TextSensor *parent) {
     parent->add_on_raw_state_callback([this](const std::string &value) { this->trigger(value); });
   }
 };
 
-template<typename... Ts> class TextSensorStateCondition : public Condition<Ts...> {
+template<typename... Ts> class TextSensorStateCondition final : public Condition<Ts...> {
  public:
   explicit TextSensorStateCondition(TextSensor *parent) : parent_(parent) {}
 
@@ -34,7 +34,7 @@ template<typename... Ts> class TextSensorStateCondition : public Condition<Ts...
   TextSensor *parent_;
 };
 
-template<typename... Ts> class TextSensorPublishAction : public Action<Ts...> {
+template<typename... Ts> class TextSensorPublishAction final : public Action<Ts...> {
  public:
   TextSensorPublishAction(TextSensor *sensor) : sensor_(sensor) {}
   TEMPLATABLE_VALUE(std::string, state)
diff --git a/esphome/components/thermopro_ble/thermopro_ble.h b/esphome/components/thermopro_ble/thermopro_ble.h
index 38bed82102..2d7523e07a 100644
--- a/esphome/components/thermopro_ble/thermopro_ble.h
+++ b/esphome/components/thermopro_ble/thermopro_ble.h
@@ -17,7 +17,7 @@ struct ParseResult {
 
 using DeviceParser = optional<ParseResult> (*)(const uint8_t *data, std::size_t data_size);
 
-class ThermoProBLE : public Component, public esp32_ble_tracker::ESPBTDeviceListener {
+class ThermoProBLE final : public Component, public esp32_ble_tracker::ESPBTDeviceListener {
  public:
   void set_address(uint64_t address) { this->address_ = address; };
 
diff --git a/esphome/components/thermostat/thermostat_climate.h b/esphome/components/thermostat/thermostat_climate.h
index 4268d5c582..f30659a8a6 100644
--- a/esphome/components/thermostat/thermostat_climate.h
+++ b/esphome/components/thermostat/thermostat_climate.h
@@ -81,7 +81,7 @@ struct ThermostatCustomPresetEntry {
   ThermostatClimateTargetTempConfig config;
 };
 
-class ThermostatClimate : public climate::Climate, public Component {
+class ThermostatClimate final : public climate::Climate, public Component {
  public:
   using PresetEntry = ThermostatPresetEntry;
   using CustomPresetEntry = ThermostatCustomPresetEntry;
diff --git a/esphome/components/time/automation.h b/esphome/components/time/automation.h
index 546c4a10de..7be195903a 100644
--- a/esphome/components/time/automation.h
+++ b/esphome/components/time/automation.h
@@ -10,7 +10,7 @@
 
 namespace esphome::time {
 
-class CronTrigger : public Trigger<>, public Component {
+class CronTrigger final : public Trigger<>, public Component {
  public:
   explicit CronTrigger(RealTimeClock *rtc);
   void add_second(uint8_t second);
@@ -41,7 +41,7 @@ class CronTrigger : public Trigger<>, public Component {
   optional<ESPTime> last_check_;
 };
 
-class SyncTrigger : public Trigger<>, public Component {
+class SyncTrigger final : public Trigger<>, public Component {
  public:
   explicit SyncTrigger(RealTimeClock *rtc);
 
diff --git a/esphome/components/time/real_time_clock.h b/esphome/components/time/real_time_clock.h
index 06ee2ea5af..7a9175f39c 100644
--- a/esphome/components/time/real_time_clock.h
+++ b/esphome/components/time/real_time_clock.h
@@ -72,7 +72,7 @@ class RealTimeClock : public PollingComponent {
   LazyCallbackManager<void()> time_sync_callback_;
 };
 
-template<typename... Ts> class TimeHasTimeCondition : public Condition<Ts...> {
+template<typename... Ts> class TimeHasTimeCondition final : public Condition<Ts...> {
  public:
   TimeHasTimeCondition(RealTimeClock *parent) : parent_(parent) {}
   bool check(const Ts &...x) override { return this->parent_->now().is_valid(); }
diff --git a/esphome/components/time_based/cover/time_based_cover.h b/esphome/components/time_based/cover/time_based_cover.h
index ce0b105ceb..1e1f51ff23 100644
--- a/esphome/components/time_based/cover/time_based_cover.h
+++ b/esphome/components/time_based/cover/time_based_cover.h
@@ -6,7 +6,7 @@
 
 namespace esphome::time_based {
 
-class TimeBasedCover : public cover::Cover, public Component {
+class TimeBasedCover final : public cover::Cover, public Component {
  public:
   void setup() override;
   void loop() override;
diff --git a/esphome/components/tinyusb/tinyusb_component.h b/esphome/components/tinyusb/tinyusb_component.h
index 56c33a708f..7b7ca37180 100644
--- a/esphome/components/tinyusb/tinyusb_component.h
+++ b/esphome/components/tinyusb/tinyusb_component.h
@@ -19,7 +19,7 @@ enum USBDStringDescriptor : uint8_t {
 
 static const char *const DEFAULT_USB_STR = "ESPHome";
 
-class TinyUSB : public Component {
+class TinyUSB final : public Component {
  public:
   void setup() override;
   void dump_config() override;
diff --git a/esphome/components/tlc59208f/tlc59208f_output.h b/esphome/components/tlc59208f/tlc59208f_output.h
index 46f88de01f..678e309f59 100644
--- a/esphome/components/tlc59208f/tlc59208f_output.h
+++ b/esphome/components/tlc59208f/tlc59208f_output.h
@@ -21,7 +21,7 @@ inline constexpr uint8_t TLC59208F_MODE2_WDT_35MS = (3 << 0);
 
 class TLC59208FOutput;
 
-class TLC59208FChannel : public output::FloatOutput, public Parented<TLC59208FOutput> {
+class TLC59208FChannel final : public output::FloatOutput, public Parented<TLC59208FOutput> {
  public:
   void set_channel(uint8_t channel) { channel_ = channel; }
 
@@ -34,7 +34,7 @@ class TLC59208FChannel : public output::FloatOutput, public Parented<TLC59208FOu
 };
 
 /// TLC59208F float output component.
-class TLC59208FOutput : public Component, public i2c::I2CDevice {
+class TLC59208FOutput final : public Component, public i2c::I2CDevice {
  public:
   TLC59208FOutput(uint8_t mode = TLC59208F_MODE2_OCH) : mode_(mode) {}
 
diff --git a/esphome/components/tlc5947/output/tlc5947_output.h b/esphome/components/tlc5947/output/tlc5947_output.h
index 16a96b5140..9312c879ea 100644
--- a/esphome/components/tlc5947/output/tlc5947_output.h
+++ b/esphome/components/tlc5947/output/tlc5947_output.h
@@ -8,7 +8,7 @@
 
 namespace esphome::tlc5947 {
 
-class TLC5947Channel : public output::FloatOutput, public Parented<TLC5947> {
+class TLC5947Channel final : public output::FloatOutput, public Parented<TLC5947> {
  public:
   void set_channel(uint16_t channel) { this->channel_ = channel; }
 
diff --git a/esphome/components/tlc5947/tlc5947.h b/esphome/components/tlc5947/tlc5947.h
index 18acffa25f..a9519d784f 100644
--- a/esphome/components/tlc5947/tlc5947.h
+++ b/esphome/components/tlc5947/tlc5947.h
@@ -9,7 +9,7 @@
 
 namespace esphome::tlc5947 {
 
-class TLC5947 : public Component {
+class TLC5947 final : public Component {
  public:
   const uint8_t N_CHANNELS_PER_CHIP = 24;
 
diff --git a/esphome/components/tlc5971/output/tlc5971_output.h b/esphome/components/tlc5971/output/tlc5971_output.h
index 2a24a19b6c..fd0f5e82b5 100644
--- a/esphome/components/tlc5971/output/tlc5971_output.h
+++ b/esphome/components/tlc5971/output/tlc5971_output.h
@@ -8,7 +8,7 @@
 
 namespace esphome::tlc5971 {
 
-class TLC5971Channel : public output::FloatOutput, public Parented<TLC5971> {
+class TLC5971Channel final : public output::FloatOutput, public Parented<TLC5971> {
  public:
   void set_channel(uint16_t channel) { this->channel_ = channel; }
 
diff --git a/esphome/components/tlc5971/tlc5971.h b/esphome/components/tlc5971/tlc5971.h
index 080249c89c..75e4c57027 100644
--- a/esphome/components/tlc5971/tlc5971.h
+++ b/esphome/components/tlc5971/tlc5971.h
@@ -9,7 +9,7 @@
 
 namespace esphome::tlc5971 {
 
-class TLC5971 : public Component {
+class TLC5971 final : public Component {
  public:
   const uint8_t N_CHANNELS_PER_CHIP = 12;
 
diff --git a/esphome/components/tm1621/tm1621.h b/esphome/components/tm1621/tm1621.h
index 7708ee6c98..806e69f993 100644
--- a/esphome/components/tm1621/tm1621.h
+++ b/esphome/components/tm1621/tm1621.h
@@ -11,7 +11,7 @@ class TM1621Display;
 
 using tm1621_writer_t = display::DisplayWriter<TM1621Display>;
 
-class TM1621Display : public PollingComponent {
+class TM1621Display final : public PollingComponent {
  public:
   void set_writer(tm1621_writer_t &&writer) { this->writer_ = writer; }
 
diff --git a/esphome/components/tm1637/tm1637.h b/esphome/components/tm1637/tm1637.h
index 1ad56ae75a..a3dd50fb37 100644
--- a/esphome/components/tm1637/tm1637.h
+++ b/esphome/components/tm1637/tm1637.h
@@ -21,7 +21,7 @@ class TM1637Key;
 
 using tm1637_writer_t = display::DisplayWriter<TM1637Display>;
 
-class TM1637Display : public PollingComponent {
+class TM1637Display final : public PollingComponent {
  public:
   void set_writer(tm1637_writer_t &&writer) { this->writer_ = writer; }
 
@@ -92,7 +92,7 @@ class TM1637Display : public PollingComponent {
 };
 
 #ifdef USE_BINARY_SENSOR
-class TM1637Key : public binary_sensor::BinarySensor {
+class TM1637Key final : public binary_sensor::BinarySensor {
   friend class TM1637Display;
 
  public:
diff --git a/esphome/components/tm1638/binary_sensor/tm1638_key.h b/esphome/components/tm1638/binary_sensor/tm1638_key.h
index fba1e43bde..1e6336a1f4 100644
--- a/esphome/components/tm1638/binary_sensor/tm1638_key.h
+++ b/esphome/components/tm1638/binary_sensor/tm1638_key.h
@@ -5,7 +5,7 @@
 
 namespace esphome::tm1638 {
 
-class TM1638Key : public binary_sensor::BinarySensor, public KeyListener {
+class TM1638Key final : public binary_sensor::BinarySensor, public KeyListener {
  public:
   void set_keycode(uint8_t key_code) { key_code_ = key_code; };
   void keys_update(uint8_t keys) override;
diff --git a/esphome/components/tm1638/output/tm1638_output_led.h b/esphome/components/tm1638/output/tm1638_output_led.h
index b1c1090447..e0bf5d31d9 100644
--- a/esphome/components/tm1638/output/tm1638_output_led.h
+++ b/esphome/components/tm1638/output/tm1638_output_led.h
@@ -6,7 +6,7 @@
 
 namespace esphome::tm1638 {
 
-class TM1638OutputLed : public output::BinaryOutput, public Component {
+class TM1638OutputLed final : public output::BinaryOutput, public Component {
  public:
   void dump_config() override;
 
diff --git a/esphome/components/tm1638/switch/tm1638_switch_led.h b/esphome/components/tm1638/switch/tm1638_switch_led.h
index c7154eefb3..8df4678d62 100644
--- a/esphome/components/tm1638/switch/tm1638_switch_led.h
+++ b/esphome/components/tm1638/switch/tm1638_switch_led.h
@@ -6,7 +6,7 @@
 
 namespace esphome::tm1638 {
 
-class TM1638SwitchLed : public switch_::Switch, public Component {
+class TM1638SwitchLed final : public switch_::Switch, public Component {
  public:
   void dump_config() override;
 
diff --git a/esphome/components/tm1638/tm1638.h b/esphome/components/tm1638/tm1638.h
index 24d49f4a9f..9ebea05089 100644
--- a/esphome/components/tm1638/tm1638.h
+++ b/esphome/components/tm1638/tm1638.h
@@ -20,7 +20,7 @@ class TM1638Component;
 
 using tm1638_writer_t = display::DisplayWriter<TM1638Component>;
 
-class TM1638Component : public PollingComponent {
+class TM1638Component final : public PollingComponent {
  public:
   void set_writer(tm1638_writer_t &&writer) { this->writer_ = writer; }
   void setup() override;
diff --git a/esphome/components/tm1651/tm1651.h b/esphome/components/tm1651/tm1651.h
index f1abbcc792..2021f90266 100644
--- a/esphome/components/tm1651/tm1651.h
+++ b/esphome/components/tm1651/tm1651.h
@@ -12,7 +12,7 @@ enum TM1651Brightness : uint8_t {
   TM1651_BRIGHTEST = 3,
 };
 
-class TM1651Display : public Component {
+class TM1651Display final : public Component {
  public:
   void set_clk_pin(InternalGPIOPin *pin) { clk_pin_ = pin; }
   void set_dio_pin(InternalGPIOPin *pin) { dio_pin_ = pin; }
@@ -56,7 +56,7 @@ class TM1651Display : public Component {
   uint8_t level_{0};
 };
 
-template<typename... Ts> class SetBrightnessAction : public Action<Ts...>, public Parented<TM1651Display> {
+template<typename... Ts> class SetBrightnessAction final : public Action<Ts...>, public Parented<TM1651Display> {
  public:
   TEMPLATABLE_VALUE(uint8_t, brightness)
 
@@ -66,7 +66,7 @@ template<typename... Ts> class SetBrightnessAction : public Action<Ts...>, publi
   }
 };
 
-template<typename... Ts> class SetLevelAction : public Action<Ts...>, public Parented<TM1651Display> {
+template<typename... Ts> class SetLevelAction final : public Action<Ts...>, public Parented<TM1651Display> {
  public:
   TEMPLATABLE_VALUE(uint8_t, level)
 
@@ -76,7 +76,7 @@ template<typename... Ts> class SetLevelAction : public Action<Ts...>, public Par
   }
 };
 
-template<typename... Ts> class SetLevelPercentAction : public Action<Ts...>, public Parented<TM1651Display> {
+template<typename... Ts> class SetLevelPercentAction final : public Action<Ts...>, public Parented<TM1651Display> {
  public:
   TEMPLATABLE_VALUE(uint8_t, level_percent)
 
@@ -86,12 +86,12 @@ template<typename... Ts> class SetLevelPercentAction : public Action<Ts...>, pub
   }
 };
 
-template<typename... Ts> class TurnOnAction : public Action<Ts...>, public Parented<TM1651Display> {
+template<typename... Ts> class TurnOnAction final : public Action<Ts...>, public Parented<TM1651Display> {
  public:
   void play(const Ts &...x) override { this->parent_->turn_on(); }
 };
 
-template<typename... Ts> class TurnOffAction : public Action<Ts...>, public Parented<TM1651Display> {
+template<typename... Ts> class TurnOffAction final : public Action<Ts...>, public Parented<TM1651Display> {
  public:
   void play(const Ts &...x) override { this->parent_->turn_off(); }
 };
diff --git a/esphome/components/tmp102/tmp102.h b/esphome/components/tmp102/tmp102.h
index aedfefd052..f9eda32e98 100644
--- a/esphome/components/tmp102/tmp102.h
+++ b/esphome/components/tmp102/tmp102.h
@@ -6,7 +6,7 @@
 
 namespace esphome::tmp102 {
 
-class TMP102Component : public PollingComponent, public i2c::I2CDevice, public sensor::Sensor {
+class TMP102Component final : public PollingComponent, public i2c::I2CDevice, public sensor::Sensor {
  public:
   void dump_config() override;
   void update() override;
diff --git a/esphome/components/tmp1075/tmp1075.h b/esphome/components/tmp1075/tmp1075.h
index 4dc9449597..519d48ad29 100644
--- a/esphome/components/tmp1075/tmp1075.h
+++ b/esphome/components/tmp1075/tmp1075.h
@@ -52,7 +52,7 @@ enum EAlertFunction {
   ALERT_INTERRUPT = 1,
 };
 
-class TMP1075Sensor : public PollingComponent, public sensor::Sensor, public i2c::I2CDevice {
+class TMP1075Sensor final : public PollingComponent, public sensor::Sensor, public i2c::I2CDevice {
  public:
   void setup() override;
   void update() override;
diff --git a/esphome/components/tmp117/tmp117.h b/esphome/components/tmp117/tmp117.h
index a8fe7ac7ce..a42a14ca73 100644
--- a/esphome/components/tmp117/tmp117.h
+++ b/esphome/components/tmp117/tmp117.h
@@ -6,7 +6,7 @@
 
 namespace esphome::tmp117 {
 
-class TMP117Component : public PollingComponent, public i2c::I2CDevice, public sensor::Sensor {
+class TMP117Component final : public PollingComponent, public i2c::I2CDevice, public sensor::Sensor {
  public:
   void setup() override;
   void dump_config() override;
diff --git a/esphome/components/tof10120/tof10120_sensor.h b/esphome/components/tof10120/tof10120_sensor.h
index 8bf92b50a0..932b89ce49 100644
--- a/esphome/components/tof10120/tof10120_sensor.h
+++ b/esphome/components/tof10120/tof10120_sensor.h
@@ -6,7 +6,7 @@
 
 namespace esphome::tof10120 {
 
-class TOF10120Sensor : public sensor::Sensor, public PollingComponent, public i2c::I2CDevice {
+class TOF10120Sensor final : public sensor::Sensor, public PollingComponent, public i2c::I2CDevice {
  public:
   void setup() override;
 
diff --git a/esphome/components/tormatic/tormatic_cover.h b/esphome/components/tormatic/tormatic_cover.h
index 2a83213ffe..bde5525d10 100644
--- a/esphome/components/tormatic/tormatic_cover.h
+++ b/esphome/components/tormatic/tormatic_cover.h
@@ -9,7 +9,7 @@ namespace esphome::tormatic {
 
 using namespace esphome::cover;
 
-class Tormatic : public cover::Cover, public uart::UARTDevice, public PollingComponent {
+class Tormatic final : public cover::Cover, public uart::UARTDevice, public PollingComponent {
  public:
   void setup() override;
   void loop() override;
diff --git a/esphome/components/toshiba/toshiba.h b/esphome/components/toshiba/toshiba.h
index 4525d6bffe..a853730f31 100644
--- a/esphome/components/toshiba/toshiba.h
+++ b/esphome/components/toshiba/toshiba.h
@@ -23,7 +23,7 @@ const float TOSHIBA_RAC_PT1411HWRU_TEMP_F_MAX = 86.0;
 const float TOSHIBA_RAS_2819T_TEMP_C_MIN = 18.0;
 const float TOSHIBA_RAS_2819T_TEMP_C_MAX = 30.0;
 
-class ToshibaClimate : public climate_ir::ClimateIR {
+class ToshibaClimate final : public climate_ir::ClimateIR {
  public:
   ToshibaClimate()
       : climate_ir::ClimateIR(TOSHIBA_GENERIC_TEMP_C_MIN, TOSHIBA_GENERIC_TEMP_C_MAX, 1.0f, true, true,
diff --git a/esphome/components/total_daily_energy/total_daily_energy.h b/esphome/components/total_daily_energy/total_daily_energy.h
index 9a20ecea01..a683d43d0f 100644
--- a/esphome/components/total_daily_energy/total_daily_energy.h
+++ b/esphome/components/total_daily_energy/total_daily_energy.h
@@ -14,7 +14,7 @@ enum TotalDailyEnergyMethod {
   TOTAL_DAILY_ENERGY_METHOD_RIGHT,
 };
 
-class TotalDailyEnergy : public sensor::Sensor, public Component {
+class TotalDailyEnergy final : public sensor::Sensor, public Component {
  public:
   void set_restore(bool restore) { restore_ = restore; }
   void set_time(time::RealTimeClock *time) { time_ = time; }
diff --git a/esphome/components/touchscreen/binary_sensor/touchscreen_binary_sensor.h b/esphome/components/touchscreen/binary_sensor/touchscreen_binary_sensor.h
index 2f86bc9749..f95c7a82b1 100644
--- a/esphome/components/touchscreen/binary_sensor/touchscreen_binary_sensor.h
+++ b/esphome/components/touchscreen/binary_sensor/touchscreen_binary_sensor.h
@@ -10,10 +10,10 @@
 
 namespace esphome::touchscreen {
 
-class TouchscreenBinarySensor : public binary_sensor::BinarySensor,
-                                public Component,
-                                public TouchListener,
-                                public Parented<Touchscreen> {
+class TouchscreenBinarySensor final : public binary_sensor::BinarySensor,
+                                      public Component,
+                                      public TouchListener,
+                                      public Parented<Touchscreen> {
  public:
   void setup() override;
 
diff --git a/esphome/components/tsl2561/tsl2561.h b/esphome/components/tsl2561/tsl2561.h
index 0fbb59c648..8997d19f53 100644
--- a/esphome/components/tsl2561/tsl2561.h
+++ b/esphome/components/tsl2561/tsl2561.h
@@ -26,7 +26,7 @@ enum TSL2561Gain {
 };
 
 /// This class includes support for the TSL2561 i2c ambient light sensor.
-class TSL2561Sensor : public sensor::Sensor, public PollingComponent, public i2c::I2CDevice {
+class TSL2561Sensor final : public sensor::Sensor, public PollingComponent, public i2c::I2CDevice {
  public:
   /** Set the time that sensor values should be accumulated for.
    *
diff --git a/esphome/components/tsl2591/tsl2591.h b/esphome/components/tsl2591/tsl2591.h
index 4b63c8ec40..3fde340412 100644
--- a/esphome/components/tsl2591/tsl2591.h
+++ b/esphome/components/tsl2591/tsl2591.h
@@ -63,7 +63,7 @@ enum TSL2591SensorChannel {
 /// light. They are reported as separate sensors, and the difference
 /// between the values is reported as a third sensor as a convenience
 /// for visible light only.
-class TSL2591Component : public PollingComponent, public i2c::I2CDevice {
+class TSL2591Component final : public PollingComponent, public i2c::I2CDevice {
  public:
   /** Set device integration time and gain.
    *
diff --git a/esphome/components/tt21100/binary_sensor/tt21100_button.h b/esphome/components/tt21100/binary_sensor/tt21100_button.h
index a1f5946447..f4073caf3d 100644
--- a/esphome/components/tt21100/binary_sensor/tt21100_button.h
+++ b/esphome/components/tt21100/binary_sensor/tt21100_button.h
@@ -7,10 +7,10 @@
 
 namespace esphome::tt21100 {
 
-class TT21100Button : public binary_sensor::BinarySensor,
-                      public Component,
-                      public TT21100ButtonListener,
-                      public Parented<TT21100Touchscreen> {
+class TT21100Button final : public binary_sensor::BinarySensor,
+                            public Component,
+                            public TT21100ButtonListener,
+                            public Parented<TT21100Touchscreen> {
  public:
   void setup() override;
   void dump_config() override;
diff --git a/esphome/components/tt21100/touchscreen/tt21100.h b/esphome/components/tt21100/touchscreen/tt21100.h
index 3c6030c9c1..31af9085b5 100644
--- a/esphome/components/tt21100/touchscreen/tt21100.h
+++ b/esphome/components/tt21100/touchscreen/tt21100.h
@@ -16,7 +16,7 @@ class TT21100ButtonListener {
   virtual void update_button(uint8_t index, uint16_t state) = 0;
 };
 
-class TT21100Touchscreen : public Touchscreen, public i2c::I2CDevice {
+class TT21100Touchscreen final : public Touchscreen, public i2c::I2CDevice {
  public:
   void setup() override;
   void dump_config() override;
diff --git a/esphome/components/ttp229_bsf/ttp229_bsf.h b/esphome/components/ttp229_bsf/ttp229_bsf.h
index 07f0c638c2..109764e51d 100644
--- a/esphome/components/ttp229_bsf/ttp229_bsf.h
+++ b/esphome/components/ttp229_bsf/ttp229_bsf.h
@@ -8,7 +8,7 @@
 
 namespace esphome::ttp229_bsf {
 
-class TTP229BSFChannel : public binary_sensor::BinarySensor {
+class TTP229BSFChannel final : public binary_sensor::BinarySensor {
  public:
   void set_channel(uint8_t channel) { channel_ = channel; }
   void process(uint16_t data) { this->publish_state(data & (1 << this->channel_)); }
@@ -17,7 +17,7 @@ class TTP229BSFChannel : public binary_sensor::BinarySensor {
   uint8_t channel_;
 };
 
-class TTP229BSFComponent : public Component {
+class TTP229BSFComponent final : public Component {
  public:
   void set_sdo_pin(GPIOPin *sdo_pin) { sdo_pin_ = sdo_pin; }
   void set_scl_pin(GPIOPin *scl_pin) { scl_pin_ = scl_pin; }
diff --git a/esphome/components/ttp229_lsf/ttp229_lsf.h b/esphome/components/ttp229_lsf/ttp229_lsf.h
index 09e7745d25..50e2baa7f7 100644
--- a/esphome/components/ttp229_lsf/ttp229_lsf.h
+++ b/esphome/components/ttp229_lsf/ttp229_lsf.h
@@ -8,7 +8,7 @@
 
 namespace esphome::ttp229_lsf {
 
-class TTP229Channel : public binary_sensor::BinarySensor {
+class TTP229Channel final : public binary_sensor::BinarySensor {
  public:
   void set_channel(uint8_t channel) { channel_ = channel; }
   void process(uint16_t data) { this->publish_state(data & (1 << this->channel_)); }
@@ -17,7 +17,7 @@ class TTP229Channel : public binary_sensor::BinarySensor {
   uint8_t channel_;
 };
 
-class TTP229LSFComponent : public Component, public i2c::I2CDevice {
+class TTP229LSFComponent final : public Component, public i2c::I2CDevice {
  public:
   void register_channel(TTP229Channel *channel) { this->channels_.push_back(channel); }
   void setup() override;
diff --git a/esphome/components/tuya/automation.h b/esphome/components/tuya/automation.h
index f5c806b013..0cd63a76be 100644
--- a/esphome/components/tuya/automation.h
+++ b/esphome/components/tuya/automation.h
@@ -8,44 +8,44 @@
 
 namespace esphome::tuya {
 
-class TuyaDatapointUpdateTrigger : public Trigger<TuyaDatapoint> {
+class TuyaDatapointUpdateTrigger final : public Trigger<TuyaDatapoint> {
  public:
   explicit TuyaDatapointUpdateTrigger(Tuya *parent, uint8_t sensor_id) {
     parent->register_listener(sensor_id, [this](const TuyaDatapoint &dp) { this->trigger(dp); });
   }
 };
 
-class TuyaRawDatapointUpdateTrigger : public Trigger<std::vector<uint8_t>> {
+class TuyaRawDatapointUpdateTrigger final : public Trigger<std::vector<uint8_t>> {
  public:
   explicit TuyaRawDatapointUpdateTrigger(Tuya *parent, uint8_t sensor_id);
 };
 
-class TuyaBoolDatapointUpdateTrigger : public Trigger<bool> {
+class TuyaBoolDatapointUpdateTrigger final : public Trigger<bool> {
  public:
   explicit TuyaBoolDatapointUpdateTrigger(Tuya *parent, uint8_t sensor_id);
 };
 
-class TuyaIntDatapointUpdateTrigger : public Trigger<int> {
+class TuyaIntDatapointUpdateTrigger final : public Trigger<int> {
  public:
   explicit TuyaIntDatapointUpdateTrigger(Tuya *parent, uint8_t sensor_id);
 };
 
-class TuyaUIntDatapointUpdateTrigger : public Trigger<uint32_t> {
+class TuyaUIntDatapointUpdateTrigger final : public Trigger<uint32_t> {
  public:
   explicit TuyaUIntDatapointUpdateTrigger(Tuya *parent, uint8_t sensor_id);
 };
 
-class TuyaStringDatapointUpdateTrigger : public Trigger<std::string> {
+class TuyaStringDatapointUpdateTrigger final : public Trigger<std::string> {
  public:
   explicit TuyaStringDatapointUpdateTrigger(Tuya *parent, uint8_t sensor_id);
 };
 
-class TuyaEnumDatapointUpdateTrigger : public Trigger<uint8_t> {
+class TuyaEnumDatapointUpdateTrigger final : public Trigger<uint8_t> {
  public:
   explicit TuyaEnumDatapointUpdateTrigger(Tuya *parent, uint8_t sensor_id);
 };
 
-class TuyaBitmaskDatapointUpdateTrigger : public Trigger<uint32_t> {
+class TuyaBitmaskDatapointUpdateTrigger final : public Trigger<uint32_t> {
  public:
   explicit TuyaBitmaskDatapointUpdateTrigger(Tuya *parent, uint8_t sensor_id);
 };
diff --git a/esphome/components/tuya/binary_sensor/tuya_binary_sensor.h b/esphome/components/tuya/binary_sensor/tuya_binary_sensor.h
index f92652d087..76d7da4604 100644
--- a/esphome/components/tuya/binary_sensor/tuya_binary_sensor.h
+++ b/esphome/components/tuya/binary_sensor/tuya_binary_sensor.h
@@ -6,7 +6,7 @@
 
 namespace esphome::tuya {
 
-class TuyaBinarySensor : public binary_sensor::BinarySensor, public Component {
+class TuyaBinarySensor final : public binary_sensor::BinarySensor, public Component {
  public:
   void setup() override;
   void dump_config() override;
diff --git a/esphome/components/tuya/climate/tuya_climate.h b/esphome/components/tuya/climate/tuya_climate.h
index b9fb45257a..015da1930c 100644
--- a/esphome/components/tuya/climate/tuya_climate.h
+++ b/esphome/components/tuya/climate/tuya_climate.h
@@ -6,7 +6,7 @@
 
 namespace esphome::tuya {
 
-class TuyaClimate : public climate::Climate, public Component {
+class TuyaClimate final : public climate::Climate, public Component {
  public:
   void setup() override;
   void loop() override;
diff --git a/esphome/components/tuya/cover/tuya_cover.h b/esphome/components/tuya/cover/tuya_cover.h
index ab63975683..fb38c81377 100644
--- a/esphome/components/tuya/cover/tuya_cover.h
+++ b/esphome/components/tuya/cover/tuya_cover.h
@@ -12,7 +12,7 @@ enum TuyaCoverRestoreMode {
   COVER_RESTORE_AND_CALL,
 };
 
-class TuyaCover : public cover::Cover, public Component {
+class TuyaCover final : public cover::Cover, public Component {
  public:
   void setup() override;
   void dump_config() override;
diff --git a/esphome/components/tuya/fan/tuya_fan.h b/esphome/components/tuya/fan/tuya_fan.h
index bfb6bdeca0..70b127c10e 100644
--- a/esphome/components/tuya/fan/tuya_fan.h
+++ b/esphome/components/tuya/fan/tuya_fan.h
@@ -6,7 +6,7 @@
 
 namespace esphome::tuya {
 
-class TuyaFan : public Component, public fan::Fan {
+class TuyaFan final : public Component, public fan::Fan {
  public:
   TuyaFan(Tuya *parent, int speed_count) : parent_(parent), speed_count_(speed_count) {}
   void setup() override;
diff --git a/esphome/components/tuya/light/tuya_light.h b/esphome/components/tuya/light/tuya_light.h
index d990eea72a..c921efc145 100644
--- a/esphome/components/tuya/light/tuya_light.h
+++ b/esphome/components/tuya/light/tuya_light.h
@@ -8,7 +8,7 @@ namespace esphome::tuya {
 
 enum TuyaColorType { RGB, HSV, RGBHSV };
 
-class TuyaLight : public Component, public light::LightOutput {
+class TuyaLight final : public Component, public light::LightOutput {
  public:
   void setup() override;
   void dump_config() override;
diff --git a/esphome/components/tuya/number/tuya_number.h b/esphome/components/tuya/number/tuya_number.h
index 51c53a4442..a7289bb803 100644
--- a/esphome/components/tuya/number/tuya_number.h
+++ b/esphome/components/tuya/number/tuya_number.h
@@ -8,7 +8,7 @@
 
 namespace esphome::tuya {
 
-class TuyaNumber : public number::Number, public Component {
+class TuyaNumber final : public number::Number, public Component {
  public:
   void setup() override;
   void dump_config() override;
diff --git a/esphome/components/tuya/select/tuya_select.h b/esphome/components/tuya/select/tuya_select.h
index f8d2d89ea8..4da01411b7 100644
--- a/esphome/components/tuya/select/tuya_select.h
+++ b/esphome/components/tuya/select/tuya_select.h
@@ -8,7 +8,7 @@
 
 namespace esphome::tuya {
 
-class TuyaSelect : public select::Select, public Component {
+class TuyaSelect final : public select::Select, public Component {
  public:
   void setup() override;
   void dump_config() override;
diff --git a/esphome/components/tuya/sensor/tuya_sensor.h b/esphome/components/tuya/sensor/tuya_sensor.h
index b700fc8bd7..65f9dc599a 100644
--- a/esphome/components/tuya/sensor/tuya_sensor.h
+++ b/esphome/components/tuya/sensor/tuya_sensor.h
@@ -6,7 +6,7 @@
 
 namespace esphome::tuya {
 
-class TuyaSensor : public sensor::Sensor, public Component {
+class TuyaSensor final : public sensor::Sensor, public Component {
  public:
   void setup() override;
   void dump_config() override;
diff --git a/esphome/components/tuya/switch/tuya_switch.h b/esphome/components/tuya/switch/tuya_switch.h
index 7e0109c34c..4cd137a6c8 100644
--- a/esphome/components/tuya/switch/tuya_switch.h
+++ b/esphome/components/tuya/switch/tuya_switch.h
@@ -6,7 +6,7 @@
 
 namespace esphome::tuya {
 
-class TuyaSwitch : public switch_::Switch, public Component {
+class TuyaSwitch final : public switch_::Switch, public Component {
  public:
   void setup() override;
   void dump_config() override;
diff --git a/esphome/components/tuya/text_sensor/tuya_text_sensor.h b/esphome/components/tuya/text_sensor/tuya_text_sensor.h
index c9ac64deb8..2969bbf74b 100644
--- a/esphome/components/tuya/text_sensor/tuya_text_sensor.h
+++ b/esphome/components/tuya/text_sensor/tuya_text_sensor.h
@@ -6,7 +6,7 @@
 
 namespace esphome::tuya {
 
-class TuyaTextSensor : public text_sensor::TextSensor, public Component {
+class TuyaTextSensor final : public text_sensor::TextSensor, public Component {
  public:
   void setup() override;
   void dump_config() override;
diff --git a/esphome/components/tuya/tuya.h b/esphome/components/tuya/tuya.h
index 470b97e7e7..4e7ab5c7f9 100644
--- a/esphome/components/tuya/tuya.h
+++ b/esphome/components/tuya/tuya.h
@@ -84,7 +84,7 @@ struct TuyaCommand {
   std::vector<uint8_t> payload;
 };
 
-class Tuya : public Component, public uart::UARTDevice {
+class Tuya final : public Component, public uart::UARTDevice {
  public:
   float get_setup_priority() const override { return setup_priority::LATE; }
   void setup() override;
diff --git a/esphome/components/tx20/tx20.h b/esphome/components/tx20/tx20.h
index 7ca29eaf3b..e4dc7dfab0 100644
--- a/esphome/components/tx20/tx20.h
+++ b/esphome/components/tx20/tx20.h
@@ -21,7 +21,7 @@ struct Tx20ComponentStore {
 };
 
 /// This class implements support for the Tx20 Wind sensor.
-class Tx20Component : public Component {
+class Tx20Component final : public Component {
  public:
   /// Get the textual representation of the wind direction ('N', 'SSE', ..).
   std::string get_wind_cardinal_direction() const;