diff --git a/homeassistant/components/daikin/climate.py b/homeassistant/components/daikin/climate.py
index 1b84b182ac8..271449a01cd 100644
--- a/homeassistant/components/daikin/climate.py
+++ b/homeassistant/components/daikin/climate.py
@@ -2,6 +2,7 @@
 from __future__ import annotations
 
 import logging
+from typing import Any
 
 import voluptuous as vol
 
@@ -177,7 +178,7 @@ class DaikinClimate(ClimateEntity):
         return self._api.device.mac
 
     @property
-    def temperature_unit(self):
+    def temperature_unit(self) -> str:
         """Return the unit of measurement which this thermostat uses."""
         return TEMP_CELSIUS
 
@@ -196,7 +197,7 @@ class DaikinClimate(ClimateEntity):
         """Return the supported step of target temperature."""
         return 1
 
-    async def async_set_temperature(self, **kwargs):
+    async def async_set_temperature(self, **kwargs: Any) -> None:
         """Set new target temperature."""
         await self._set(kwargs)
 
@@ -232,7 +233,7 @@ class DaikinClimate(ClimateEntity):
         """Return the fan setting."""
         return self._api.device.represent(HA_ATTR_TO_DAIKIN[ATTR_FAN_MODE])[1].title()
 
-    async def async_set_fan_mode(self, fan_mode):
+    async def async_set_fan_mode(self, fan_mode: str) -> None:
         """Set fan mode."""
         await self._set({ATTR_FAN_MODE: fan_mode})
 
@@ -246,7 +247,7 @@ class DaikinClimate(ClimateEntity):
         """Return the fan setting."""
         return self._api.device.represent(HA_ATTR_TO_DAIKIN[ATTR_SWING_MODE])[1].title()
 
-    async def async_set_swing_mode(self, swing_mode):
+    async def async_set_swing_mode(self, swing_mode: str) -> None:
         """Set new target temperature."""
         await self._set({ATTR_SWING_MODE: swing_mode})
 
@@ -275,7 +276,7 @@ class DaikinClimate(ClimateEntity):
             return PRESET_ECO
         return PRESET_NONE
 
-    async def async_set_preset_mode(self, preset_mode):
+    async def async_set_preset_mode(self, preset_mode: str) -> None:
         """Set preset mode."""
         if preset_mode == PRESET_AWAY:
             await self._api.device.set_holiday(ATTR_STATE_ON)
@@ -309,15 +310,15 @@ class DaikinClimate(ClimateEntity):
             ret += [PRESET_ECO, PRESET_BOOST]
         return ret
 
-    async def async_update(self):
+    async def async_update(self) -> None:
         """Retrieve latest state."""
         await self._api.async_update()
 
-    async def async_turn_on(self):
+    async def async_turn_on(self) -> None:
         """Turn device on."""
         await self._api.device.set({})
 
-    async def async_turn_off(self):
+    async def async_turn_off(self) -> None:
         """Turn device off."""
         await self._api.device.set(
             {HA_ATTR_TO_DAIKIN[ATTR_HVAC_MODE]: HA_STATE_TO_DAIKIN[HVACMode.OFF]}
diff --git a/homeassistant/components/daikin/sensor.py b/homeassistant/components/daikin/sensor.py
index 1843bdac25f..1adacd322cc 100644
--- a/homeassistant/components/daikin/sensor.py
+++ b/homeassistant/components/daikin/sensor.py
@@ -21,6 +21,7 @@ from homeassistant.const import (
     TEMP_CELSIUS,
 )
 from homeassistant.core import HomeAssistant
+from homeassistant.helpers.entity import DeviceInfo
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
 from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
 
@@ -181,7 +182,7 @@ class DaikinSensor(SensorEntity):
         self._attr_name = f"{api.name} {description.name}"
 
     @property
-    def unique_id(self):
+    def unique_id(self) -> str:
         """Return a unique ID."""
         return f"{self._api.device.mac}-{self.entity_description.key}"
 
@@ -190,11 +191,11 @@ class DaikinSensor(SensorEntity):
         """Return the state of the sensor."""
         return self.entity_description.value_func(self._api.device)
 
-    async def async_update(self):
+    async def async_update(self) -> None:
         """Retrieve latest state."""
         await self._api.async_update()
 
     @property
-    def device_info(self):
+    def device_info(self) -> DeviceInfo:
         """Return a device description for device registry."""
         return self._api.device_info
diff --git a/homeassistant/components/daikin/switch.py b/homeassistant/components/daikin/switch.py
index d5601a38989..0f885e63bf7 100644
--- a/homeassistant/components/daikin/switch.py
+++ b/homeassistant/components/daikin/switch.py
@@ -1,13 +1,16 @@
 """Support for Daikin AirBase zones."""
 from __future__ import annotations
 
+from typing import Any
+
 from homeassistant.components.switch import SwitchEntity
 from homeassistant.config_entries import ConfigEntry
 from homeassistant.core import HomeAssistant
+from homeassistant.helpers.entity import DeviceInfo
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
 from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
 
-from . import DOMAIN as DAIKIN_DOMAIN
+from . import DOMAIN as DAIKIN_DOMAIN, DaikinApi
 
 ZONE_ICON = "mdi:home-circle"
 STREAMER_ICON = "mdi:air-filter"
@@ -32,7 +35,7 @@ async def async_setup_entry(
     hass: HomeAssistant, entry: ConfigEntry, async_add_entities: AddEntitiesCallback
 ) -> None:
     """Set up Daikin climate based on config_entry."""
-    daikin_api = hass.data[DAIKIN_DOMAIN][entry.entry_id]
+    daikin_api: DaikinApi = hass.data[DAIKIN_DOMAIN][entry.entry_id]
     switches: list[DaikinZoneSwitch | DaikinStreamerSwitch] = []
     if zones := daikin_api.device.zones:
         switches.extend(
@@ -54,13 +57,13 @@ async def async_setup_entry(
 class DaikinZoneSwitch(SwitchEntity):
     """Representation of a zone."""
 
-    def __init__(self, daikin_api, zone_id):
+    def __init__(self, daikin_api: DaikinApi, zone_id):
         """Initialize the zone."""
         self._api = daikin_api
         self._zone_id = zone_id
 
     @property
-    def unique_id(self):
+    def unique_id(self) -> str:
         """Return a unique ID."""
         return f"{self._api.device.mac}-zone{self._zone_id}"
 
@@ -70,29 +73,29 @@ class DaikinZoneSwitch(SwitchEntity):
         return ZONE_ICON
 
     @property
-    def name(self):
+    def name(self) -> str:
         """Return the name of the sensor."""
         return f"{self._api.name} {self._api.device.zones[self._zone_id][0]}"
 
     @property
-    def is_on(self):
+    def is_on(self) -> bool:
         """Return the state of the sensor."""
         return self._api.device.zones[self._zone_id][1] == "1"
 
     @property
-    def device_info(self):
+    def device_info(self) -> DeviceInfo:
         """Return a device description for device registry."""
         return self._api.device_info
 
-    async def async_update(self):
+    async def async_update(self) -> None:
         """Retrieve latest state."""
         await self._api.async_update()
 
-    async def async_turn_on(self, **kwargs):
+    async def async_turn_on(self, **kwargs: Any) -> None:
         """Turn the zone on."""
         await self._api.device.set_zone(self._zone_id, "1")
 
-    async def async_turn_off(self, **kwargs):
+    async def async_turn_off(self, **kwargs: Any) -> None:
         """Turn the zone off."""
         await self._api.device.set_zone(self._zone_id, "0")
 
@@ -100,12 +103,12 @@ class DaikinZoneSwitch(SwitchEntity):
 class DaikinStreamerSwitch(SwitchEntity):
     """Streamer state."""
 
-    def __init__(self, daikin_api):
+    def __init__(self, daikin_api: DaikinApi) -> None:
         """Initialize streamer switch."""
         self._api = daikin_api
 
     @property
-    def unique_id(self):
+    def unique_id(self) -> str:
         """Return a unique ID."""
         return f"{self._api.device.mac}-streamer"
 
@@ -115,30 +118,30 @@ class DaikinStreamerSwitch(SwitchEntity):
         return STREAMER_ICON
 
     @property
-    def name(self):
+    def name(self) -> str:
         """Return the name of the sensor."""
         return f"{self._api.name} streamer"
 
     @property
-    def is_on(self):
+    def is_on(self) -> bool:
         """Return the state of the sensor."""
         return (
             DAIKIN_ATTR_STREAMER in self._api.device.represent(DAIKIN_ATTR_ADVANCED)[1]
         )
 
     @property
-    def device_info(self):
+    def device_info(self) -> DeviceInfo:
         """Return a device description for device registry."""
         return self._api.device_info
 
-    async def async_update(self):
+    async def async_update(self) -> None:
         """Retrieve latest state."""
         await self._api.async_update()
 
-    async def async_turn_on(self, **kwargs):
+    async def async_turn_on(self, **kwargs: Any) -> None:
         """Turn the zone on."""
         await self._api.device.set_streamer("on")
 
-    async def async_turn_off(self, **kwargs):
+    async def async_turn_off(self, **kwargs: Any) -> None:
         """Turn the zone off."""
         await self._api.device.set_streamer("off")
diff --git a/homeassistant/components/danfoss_air/binary_sensor.py b/homeassistant/components/danfoss_air/binary_sensor.py
index b01e51e5061..3764345a7b8 100644
--- a/homeassistant/components/danfoss_air/binary_sensor.py
+++ b/homeassistant/components/danfoss_air/binary_sensor.py
@@ -50,7 +50,7 @@ class DanfossAirBinarySensor(BinarySensorEntity):
         self._type = sensor_type
         self._attr_device_class = device_class
 
-    def update(self):
+    def update(self) -> None:
         """Fetch new state data for the sensor."""
         self._data.update()
 
diff --git a/homeassistant/components/danfoss_air/sensor.py b/homeassistant/components/danfoss_air/sensor.py
index d85e8248e60..de736b2c599 100644
--- a/homeassistant/components/danfoss_air/sensor.py
+++ b/homeassistant/components/danfoss_air/sensor.py
@@ -119,7 +119,7 @@ class DanfossAir(SensorEntity):
         self._attr_device_class = device_class
         self._attr_state_class = state_class
 
-    def update(self):
+    def update(self) -> None:
         """Update the new state of the sensor.
 
         This is done through the DanfossAir object that does the actual
diff --git a/homeassistant/components/danfoss_air/switch.py b/homeassistant/components/danfoss_air/switch.py
index b2e7189550f..b1ee7dce44a 100644
--- a/homeassistant/components/danfoss_air/switch.py
+++ b/homeassistant/components/danfoss_air/switch.py
@@ -2,6 +2,7 @@
 from __future__ import annotations
 
 import logging
+from typing import Any
 
 from pydanfossair.commands import ReadCommand, UpdateCommand
 
@@ -75,17 +76,17 @@ class DanfossAir(SwitchEntity):
         """Return true if switch is on."""
         return self._state
 
-    def turn_on(self, **kwargs):
+    def turn_on(self, **kwargs: Any) -> None:
         """Turn the switch on."""
         _LOGGER.debug("Turning on switch with command %s", self._on_command)
         self._data.update_state(self._on_command, self._state_command)
 
-    def turn_off(self, **kwargs):
+    def turn_off(self, **kwargs: Any) -> None:
         """Turn the switch off."""
         _LOGGER.debug("Turning off switch with command %s", self._off_command)
         self._data.update_state(self._off_command, self._state_command)
 
-    def update(self):
+    def update(self) -> None:
         """Update the switch's state."""
         self._data.update()
 
diff --git a/homeassistant/components/darksky/sensor.py b/homeassistant/components/darksky/sensor.py
index 0686f304674..84a0b0f23f2 100644
--- a/homeassistant/components/darksky/sensor.py
+++ b/homeassistant/components/darksky/sensor.py
@@ -825,7 +825,7 @@ class DarkSkyAlertSensor(SensorEntity):
         """Return the state attributes."""
         return self._alerts
 
-    def update(self):
+    def update(self) -> None:
         """Get the latest data from Dark Sky and updates the states."""
         # Call the API for new forecast data. Each sensor will re-trigger this
         # same exact call, but that's fine. We cache results for a short period
diff --git a/homeassistant/components/darksky/weather.py b/homeassistant/components/darksky/weather.py
index 1bc56706007..88f3b6b2bc9 100644
--- a/homeassistant/components/darksky/weather.py
+++ b/homeassistant/components/darksky/weather.py
@@ -131,7 +131,7 @@ class DarkSkyWeather(WeatherEntity):
         self._ds_daily = None
 
     @property
-    def available(self):
+    def available(self) -> bool:
         """Return if weather data is available from Dark Sky."""
         return self._ds_data is not None
 
@@ -233,7 +233,7 @@ class DarkSkyWeather(WeatherEntity):
 
         return data
 
-    def update(self):
+    def update(self) -> None:
         """Get the latest data from Dark Sky."""
         self._dark_sky.update()
 
diff --git a/homeassistant/components/delijn/sensor.py b/homeassistant/components/delijn/sensor.py
index ee58a4f21c7..f0a263d0d0f 100644
--- a/homeassistant/components/delijn/sensor.py
+++ b/homeassistant/components/delijn/sensor.py
@@ -92,7 +92,7 @@ class DeLijnPublicTransportSensor(SensorEntity):
         self.line = line
         self._attr_extra_state_attributes = {}
 
-    async def async_update(self):
+    async def async_update(self) -> None:
         """Get the latest data from the De Lijn API."""
         try:
             await self.line.get_passages()
diff --git a/homeassistant/components/demo/media_player.py b/homeassistant/components/demo/media_player.py
index f3046a6f807..e52bf8720e1 100644
--- a/homeassistant/components/demo/media_player.py
+++ b/homeassistant/components/demo/media_player.py
@@ -1,6 +1,8 @@
 """Demo implementation of the media player."""
 from __future__ import annotations
 
+from typing import Any
+
 from homeassistant.components.media_player import (
     MediaPlayerDeviceClass,
     MediaPlayerEntity,
@@ -164,57 +166,57 @@ class AbstractDemoPlayer(MediaPlayerEntity):
         """Return the device class of the media player."""
         return self._device_class
 
-    def turn_on(self):
+    def turn_on(self) -> None:
         """Turn the media player on."""
         self._player_state = STATE_PLAYING
         self.schedule_update_ha_state()
 
-    def turn_off(self):
+    def turn_off(self) -> None:
         """Turn the media player off."""
         self._player_state = STATE_OFF
         self.schedule_update_ha_state()
 
-    def mute_volume(self, mute):
+    def mute_volume(self, mute: bool) -> None:
         """Mute the volume."""
         self._volume_muted = mute
         self.schedule_update_ha_state()
 
-    def volume_up(self):
+    def volume_up(self) -> None:
         """Increase volume."""
         self._volume_level = min(1.0, self._volume_level + 0.1)
         self.schedule_update_ha_state()
 
-    def volume_down(self):
+    def volume_down(self) -> None:
         """Decrease volume."""
         self._volume_level = max(0.0, self._volume_level - 0.1)
         self.schedule_update_ha_state()
 
-    def set_volume_level(self, volume):
+    def set_volume_level(self, volume: float) -> None:
         """Set the volume level, range 0..1."""
         self._volume_level = volume
         self.schedule_update_ha_state()
 
-    def media_play(self):
+    def media_play(self) -> None:
         """Send play command."""
         self._player_state = STATE_PLAYING
         self.schedule_update_ha_state()
 
-    def media_pause(self):
+    def media_pause(self) -> None:
         """Send pause command."""
         self._player_state = STATE_PAUSED
         self.schedule_update_ha_state()
 
-    def media_stop(self):
+    def media_stop(self) -> None:
         """Send stop command."""
         self._player_state = STATE_OFF
         self.schedule_update_ha_state()
 
-    def set_shuffle(self, shuffle):
+    def set_shuffle(self, shuffle: bool) -> None:
         """Enable/disable shuffle mode."""
         self._shuffle = shuffle
         self.schedule_update_ha_state()
 
-    def select_sound_mode(self, sound_mode):
+    def select_sound_mode(self, sound_mode: str) -> None:
         """Select sound mode."""
         self._sound_mode = sound_mode
         self.schedule_update_ha_state()
@@ -291,12 +293,12 @@ class DemoYoutubePlayer(AbstractDemoPlayer):
         if self._player_state == STATE_PLAYING:
             return self._progress_updated_at
 
-    def play_media(self, media_type, media_id, **kwargs):
+    def play_media(self, media_type: str, media_id: str, **kwargs: Any) -> None:
         """Play a piece of media."""
         self.youtube_id = media_id
         self.schedule_update_ha_state()
 
-    def media_pause(self):
+    def media_pause(self) -> None:
         """Send pause command."""
         self._progress = self.media_position
         self._progress_updated_at = dt_util.utcnow()
@@ -393,38 +395,38 @@ class DemoMusicPlayer(AbstractDemoPlayer):
         """Flag media player features that are supported."""
         return MUSIC_PLAYER_SUPPORT
 
-    def media_previous_track(self):
+    def media_previous_track(self) -> None:
         """Send previous track command."""
         if self._cur_track > 0:
             self._cur_track -= 1
             self.schedule_update_ha_state()
 
-    def media_next_track(self):
+    def media_next_track(self) -> None:
         """Send next track command."""
         if self._cur_track < len(self.tracks) - 1:
             self._cur_track += 1
             self.schedule_update_ha_state()
 
-    def clear_playlist(self):
+    def clear_playlist(self) -> None:
         """Clear players playlist."""
         self.tracks = []
         self._cur_track = 0
         self._player_state = STATE_OFF
         self.schedule_update_ha_state()
 
-    def set_repeat(self, repeat):
+    def set_repeat(self, repeat: str) -> None:
         """Enable/disable repeat mode."""
         self._repeat = repeat
         self.schedule_update_ha_state()
 
-    def join_players(self, group_members):
+    def join_players(self, group_members: list[str]) -> None:
         """Join `group_members` as a player group with the current player."""
         self._group_members = [
             self.entity_id,
         ] + group_members
         self.schedule_update_ha_state()
 
-    def unjoin_player(self):
+    def unjoin_player(self) -> None:
         """Remove this player from any group."""
         self._group_members = []
         self.schedule_update_ha_state()
@@ -505,19 +507,19 @@ class DemoTVShowPlayer(AbstractDemoPlayer):
         """Flag media player features that are supported."""
         return NETFLIX_PLAYER_SUPPORT
 
-    def media_previous_track(self):
+    def media_previous_track(self) -> None:
         """Send previous track command."""
         if self._cur_episode > 1:
             self._cur_episode -= 1
             self.schedule_update_ha_state()
 
-    def media_next_track(self):
+    def media_next_track(self) -> None:
         """Send next track command."""
         if self._cur_episode < self._episode_count:
             self._cur_episode += 1
             self.schedule_update_ha_state()
 
-    def select_source(self, source):
+    def select_source(self, source: str) -> None:
         """Set the input source."""
         self._source = source
         self.schedule_update_ha_state()
diff --git a/homeassistant/components/demo/vacuum.py b/homeassistant/components/demo/vacuum.py
index 58b76ba6347..10952f86785 100644
--- a/homeassistant/components/demo/vacuum.py
+++ b/homeassistant/components/demo/vacuum.py
@@ -240,7 +240,12 @@ class DemoVacuum(VacuumEntity):
         self._battery_level += 5
         self.schedule_update_ha_state()
 
-    def send_command(self, command, params=None, **kwargs: Any) -> None:
+    def send_command(
+        self,
+        command: str,
+        params: dict[str, Any] | list[Any] | None = None,
+        **kwargs: Any,
+    ) -> None:
         """Send a command to the vacuum."""
         if self.supported_features & VacuumEntityFeature.SEND_COMMAND == 0:
             return
diff --git a/homeassistant/components/demo/water_heater.py b/homeassistant/components/demo/water_heater.py
index 70332277d90..c3cb2be4fb3 100644
--- a/homeassistant/components/demo/water_heater.py
+++ b/homeassistant/components/demo/water_heater.py
@@ -1,6 +1,8 @@
 """Demo platform that offers a fake water heater device."""
 from __future__ import annotations
 
+from typing import Any
+
 from homeassistant.components.water_heater import (
     WaterHeaterEntity,
     WaterHeaterEntityFeature,
@@ -79,22 +81,22 @@ class DemoWaterHeater(WaterHeaterEntity):
             "off",
         ]
 
-    def set_temperature(self, **kwargs):
+    def set_temperature(self, **kwargs: Any) -> None:
         """Set new target temperatures."""
         self._attr_target_temperature = kwargs.get(ATTR_TEMPERATURE)
         self.schedule_update_ha_state()
 
-    def set_operation_mode(self, operation_mode):
+    def set_operation_mode(self, operation_mode: str) -> None:
         """Set new operation mode."""
         self._attr_current_operation = operation_mode
         self.schedule_update_ha_state()
 
-    def turn_away_mode_on(self):
+    def turn_away_mode_on(self) -> None:
         """Turn away mode on."""
         self._attr_is_away_mode_on = True
         self.schedule_update_ha_state()
 
-    def turn_away_mode_off(self):
+    def turn_away_mode_off(self) -> None:
         """Turn away mode off."""
         self._attr_is_away_mode_on = False
         self.schedule_update_ha_state()
diff --git a/homeassistant/components/denon/media_player.py b/homeassistant/components/denon/media_player.py
index d55adcf5db7..4533af66927 100644
--- a/homeassistant/components/denon/media_player.py
+++ b/homeassistant/components/denon/media_player.py
@@ -253,51 +253,51 @@ class DenonDevice(MediaPlayerEntity):
             if self._mediasource == name:
                 return pretty_name
 
-    def turn_off(self):
+    def turn_off(self) -> None:
         """Turn off media player."""
         self.telnet_command("PWSTANDBY")
 
-    def volume_up(self):
+    def volume_up(self) -> None:
         """Volume up media player."""
         self.telnet_command("MVUP")
 
-    def volume_down(self):
+    def volume_down(self) -> None:
         """Volume down media player."""
         self.telnet_command("MVDOWN")
 
-    def set_volume_level(self, volume):
+    def set_volume_level(self, volume: float) -> None:
         """Set volume level, range 0..1."""
         self.telnet_command(f"MV{round(volume * self._volume_max):02}")
 
-    def mute_volume(self, mute):
+    def mute_volume(self, mute: bool) -> None:
         """Mute (true) or unmute (false) media player."""
         mute_status = "ON" if mute else "OFF"
         self.telnet_command(f"MU{mute_status})")
 
-    def media_play(self):
+    def media_play(self) -> None:
         """Play media player."""
         self.telnet_command("NS9A")
 
-    def media_pause(self):
+    def media_pause(self) -> None:
         """Pause media player."""
         self.telnet_command("NS9B")
 
-    def media_stop(self):
+    def media_stop(self) -> None:
         """Pause media player."""
         self.telnet_command("NS9C")
 
-    def media_next_track(self):
+    def media_next_track(self) -> None:
         """Send the next track command."""
         self.telnet_command("NS9D")
 
-    def media_previous_track(self):
+    def media_previous_track(self) -> None:
         """Send the previous track command."""
         self.telnet_command("NS9E")
 
-    def turn_on(self):
+    def turn_on(self) -> None:
         """Turn the media player on."""
         self.telnet_command("PWON")
 
-    def select_source(self, source):
+    def select_source(self, source: str) -> None:
         """Select input source."""
         self.telnet_command(f"SI{self._source_list.get(source)}")
diff --git a/homeassistant/components/denonavr/media_player.py b/homeassistant/components/denonavr/media_player.py
index 7c5d98ca1b3..bc3b4264d24 100644
--- a/homeassistant/components/denonavr/media_player.py
+++ b/homeassistant/components/denonavr/media_player.py
@@ -390,32 +390,32 @@ class DenonDevice(MediaPlayerEntity):
         return self._receiver.dynamic_eq
 
     @async_log_errors
-    async def async_media_play_pause(self):
+    async def async_media_play_pause(self) -> None:
         """Play or pause the media player."""
         await self._receiver.async_toggle_play_pause()
 
     @async_log_errors
-    async def async_media_play(self):
+    async def async_media_play(self) -> None:
         """Send play command."""
         await self._receiver.async_play()
 
     @async_log_errors
-    async def async_media_pause(self):
+    async def async_media_pause(self) -> None:
         """Send pause command."""
         await self._receiver.async_pause()
 
     @async_log_errors
-    async def async_media_previous_track(self):
+    async def async_media_previous_track(self) -> None:
         """Send previous track command."""
         await self._receiver.async_previous_track()
 
     @async_log_errors
-    async def async_media_next_track(self):
+    async def async_media_next_track(self) -> None:
         """Send next track command."""
         await self._receiver.async_next_track()
 
     @async_log_errors
-    async def async_select_source(self, source: str):
+    async def async_select_source(self, source: str) -> None:
         """Select input source."""
         # Ensure that the AVR is turned on, which is necessary for input
         # switch to work.
@@ -423,27 +423,27 @@ class DenonDevice(MediaPlayerEntity):
         await self._receiver.async_set_input_func(source)
 
     @async_log_errors
-    async def async_select_sound_mode(self, sound_mode: str):
+    async def async_select_sound_mode(self, sound_mode: str) -> None:
         """Select sound mode."""
         await self._receiver.async_set_sound_mode(sound_mode)
 
     @async_log_errors
-    async def async_turn_on(self):
+    async def async_turn_on(self) -> None:
         """Turn on media player."""
         await self._receiver.async_power_on()
 
     @async_log_errors
-    async def async_turn_off(self):
+    async def async_turn_off(self) -> None:
         """Turn off media player."""
         await self._receiver.async_power_off()
 
     @async_log_errors
-    async def async_volume_up(self):
+    async def async_volume_up(self) -> None:
         """Volume up the media player."""
         await self._receiver.async_volume_up()
 
     @async_log_errors
-    async def async_volume_down(self):
+    async def async_volume_down(self) -> None:
         """Volume down media player."""
         await self._receiver.async_volume_down()
 
@@ -458,7 +458,7 @@ class DenonDevice(MediaPlayerEntity):
         await self._receiver.async_set_volume(volume_denon)
 
     @async_log_errors
-    async def async_mute_volume(self, mute: bool):
+    async def async_mute_volume(self, mute: bool) -> None:
         """Send mute command."""
         await self._receiver.async_mute(mute)
 
diff --git a/homeassistant/components/derivative/sensor.py b/homeassistant/components/derivative/sensor.py
index fb5bf7e518d..5337328bbe2 100644
--- a/homeassistant/components/derivative/sensor.py
+++ b/homeassistant/components/derivative/sensor.py
@@ -168,7 +168,7 @@ class DerivativeSensor(RestoreEntity, SensorEntity):
         self._unit_time = UNIT_TIME[unit_time]
         self._time_window = time_window.total_seconds()
 
-    async def async_added_to_hass(self):
+    async def async_added_to_hass(self) -> None:
         """Handle entity which will be added."""
         await super().async_added_to_hass()
         if (state := await self.async_get_last_state()) is not None:
diff --git a/homeassistant/components/deutsche_bahn/sensor.py b/homeassistant/components/deutsche_bahn/sensor.py
index 07c330fd402..9638fccf2cd 100644
--- a/homeassistant/components/deutsche_bahn/sensor.py
+++ b/homeassistant/components/deutsche_bahn/sensor.py
@@ -98,7 +98,7 @@ class DeutscheBahnSensor(SensorEntity):
             connections["next_on"] = self.data.connections[2]["departure"]
         return connections
 
-    def update(self):
+    def update(self) -> None:
         """Get the latest delay from bahn.de and updates the state."""
         self.data.update()
         self._state = self.data.connections[0].get("departure", "Unknown")
diff --git a/homeassistant/components/devolo_home_control/climate.py b/homeassistant/components/devolo_home_control/climate.py
index cde7ca33152..4b8e8fc00e6 100644
--- a/homeassistant/components/devolo_home_control/climate.py
+++ b/homeassistant/components/devolo_home_control/climate.py
@@ -88,7 +88,7 @@ class DevoloClimateDeviceEntity(DevoloMultiLevelSwitchDeviceEntity, ClimateEntit
         """Return the target temperature."""
         return self._value
 
-    def set_hvac_mode(self, hvac_mode: str) -> None:
+    def set_hvac_mode(self, hvac_mode: HVACMode) -> None:
         """Do nothing as devolo devices do not support changing the hvac mode."""
 
     def set_temperature(self, **kwargs: Any) -> None:
diff --git a/homeassistant/components/digital_ocean/binary_sensor.py b/homeassistant/components/digital_ocean/binary_sensor.py
index b92e009e618..9728da99a6f 100644
--- a/homeassistant/components/digital_ocean/binary_sensor.py
+++ b/homeassistant/components/digital_ocean/binary_sensor.py
@@ -102,7 +102,7 @@ class DigitalOceanBinarySensor(BinarySensorEntity):
             ATTR_VCPUS: self.data.vcpus,
         }
 
-    def update(self):
+    def update(self) -> None:
         """Update state of sensor."""
         self._digital_ocean.update()
 
diff --git a/homeassistant/components/digital_ocean/switch.py b/homeassistant/components/digital_ocean/switch.py
index efaa4fec6be..da955e221a3 100644
--- a/homeassistant/components/digital_ocean/switch.py
+++ b/homeassistant/components/digital_ocean/switch.py
@@ -2,6 +2,7 @@
 from __future__ import annotations
 
 import logging
+from typing import Any
 
 import voluptuous as vol
 
@@ -94,17 +95,17 @@ class DigitalOceanSwitch(SwitchEntity):
             ATTR_VCPUS: self.data.vcpus,
         }
 
-    def turn_on(self, **kwargs):
+    def turn_on(self, **kwargs: Any) -> None:
         """Boot-up the droplet."""
         if self.data.status != "active":
             self.data.power_on()
 
-    def turn_off(self, **kwargs):
+    def turn_off(self, **kwargs: Any) -> None:
         """Shutdown the droplet."""
         if self.data.status == "active":
             self.data.power_off()
 
-    def update(self):
+    def update(self) -> None:
         """Get the latest data from the device and update the data."""
         self._digital_ocean.update()
 
diff --git a/homeassistant/components/directv/media_player.py b/homeassistant/components/directv/media_player.py
index 2fb5acf8295..affefcacd85 100644
--- a/homeassistant/components/directv/media_player.py
+++ b/homeassistant/components/directv/media_player.py
@@ -2,6 +2,7 @@
 from __future__ import annotations
 
 import logging
+from typing import Any
 
 from directv import DIRECTV
 
@@ -278,7 +279,7 @@ class DIRECTVMediaPlayer(DIRECTVEntity, MediaPlayerEntity):
 
         return dt_util.as_local(self._program.start_time)
 
-    async def async_turn_on(self):
+    async def async_turn_on(self) -> None:
         """Turn on the receiver."""
         if self._is_client:
             raise NotImplementedError()
@@ -286,7 +287,7 @@ class DIRECTVMediaPlayer(DIRECTVEntity, MediaPlayerEntity):
         _LOGGER.debug("Turn on %s", self.name)
         await self.dtv.remote("poweron", self._address)
 
-    async def async_turn_off(self):
+    async def async_turn_off(self) -> None:
         """Turn off the receiver."""
         if self._is_client:
             raise NotImplementedError()
@@ -294,32 +295,34 @@ class DIRECTVMediaPlayer(DIRECTVEntity, MediaPlayerEntity):
         _LOGGER.debug("Turn off %s", self.name)
         await self.dtv.remote("poweroff", self._address)
 
-    async def async_media_play(self):
+    async def async_media_play(self) -> None:
         """Send play command."""
         _LOGGER.debug("Play on %s", self.name)
         await self.dtv.remote("play", self._address)
 
-    async def async_media_pause(self):
+    async def async_media_pause(self) -> None:
         """Send pause command."""
         _LOGGER.debug("Pause on %s", self.name)
         await self.dtv.remote("pause", self._address)
 
-    async def async_media_stop(self):
+    async def async_media_stop(self) -> None:
         """Send stop command."""
         _LOGGER.debug("Stop on %s", self.name)
         await self.dtv.remote("stop", self._address)
 
-    async def async_media_previous_track(self):
+    async def async_media_previous_track(self) -> None:
         """Send rewind command."""
         _LOGGER.debug("Rewind on %s", self.name)
         await self.dtv.remote("rew", self._address)
 
-    async def async_media_next_track(self):
+    async def async_media_next_track(self) -> None:
         """Send fast forward command."""
         _LOGGER.debug("Fast forward on %s", self.name)
         await self.dtv.remote("ffwd", self._address)
 
-    async def async_play_media(self, media_type, media_id, **kwargs):
+    async def async_play_media(
+        self, media_type: str, media_id: str, **kwargs: Any
+    ) -> None:
         """Select input source."""
         if media_type != MEDIA_TYPE_CHANNEL:
             _LOGGER.error(
diff --git a/homeassistant/components/discogs/sensor.py b/homeassistant/components/discogs/sensor.py
index 447eb4a754e..e207755ec24 100644
--- a/homeassistant/components/discogs/sensor.py
+++ b/homeassistant/components/discogs/sensor.py
@@ -157,7 +157,7 @@ class DiscogsSensor(SensorEntity):
 
         return None
 
-    def update(self):
+    def update(self) -> None:
         """Set state to the amount of records in user's collection."""
         if self.entity_description.key == SENSOR_COLLECTION_TYPE:
             self._attr_native_value = self._discogs_data["collection_count"]
diff --git a/homeassistant/components/dlink/switch.py b/homeassistant/components/dlink/switch.py
index 4d5d7b5c639..f1ca99c51f2 100644
--- a/homeassistant/components/dlink/switch.py
+++ b/homeassistant/components/dlink/switch.py
@@ -3,6 +3,7 @@ from __future__ import annotations
 
 from datetime import timedelta
 import logging
+from typing import Any
 import urllib
 
 from pyW215.pyW215 import SmartPlug
@@ -106,15 +107,15 @@ class SmartPlugSwitch(SwitchEntity):
         """Return true if switch is on."""
         return self.data.state == "ON"
 
-    def turn_on(self, **kwargs):
+    def turn_on(self, **kwargs: Any) -> None:
         """Turn the switch on."""
         self.data.smartplug.state = "ON"
 
-    def turn_off(self, **kwargs):
+    def turn_off(self, **kwargs: Any) -> None:
         """Turn the switch off."""
         self.data.smartplug.state = "OFF"
 
-    def update(self):
+    def update(self) -> None:
         """Get the latest data from the smart plug and updates the states."""
         self.data.update()
 
diff --git a/homeassistant/components/dlna_dmr/media_player.py b/homeassistant/components/dlna_dmr/media_player.py
index 9ecf9f8ad40..156e8fdffef 100644
--- a/homeassistant/components/dlna_dmr/media_player.py
+++ b/homeassistant/components/dlna_dmr/media_player.py
@@ -578,7 +578,7 @@ class DlnaDmrEntity(MediaPlayerEntity):
         await self._device.async_stop()
 
     @catch_request_errors
-    async def async_media_seek(self, position: int | float) -> None:
+    async def async_media_seek(self, position: float) -> None:
         """Send seek command."""
         assert self._device is not None
         time = timedelta(seconds=position)
diff --git a/homeassistant/components/doorbird/camera.py b/homeassistant/components/doorbird/camera.py
index 77dc8a2d45c..fce76a65ff5 100644
--- a/homeassistant/components/doorbird/camera.py
+++ b/homeassistant/components/doorbird/camera.py
@@ -134,7 +134,7 @@ class DoorBirdCamera(DoorBirdEntity, Camera):
             )
             return self._last_image
 
-    async def async_added_to_hass(self):
+    async def async_added_to_hass(self) -> None:
         """Add callback after being added to hass.
 
         Registers entity_id map for the logbook
diff --git a/homeassistant/components/dovado/sensor.py b/homeassistant/components/dovado/sensor.py
index 99b1bd459fe..ee23592ef2d 100644
--- a/homeassistant/components/dovado/sensor.py
+++ b/homeassistant/components/dovado/sensor.py
@@ -133,7 +133,7 @@ class DovadoSensor(SensorEntity):
             return round(float(state) / 1e6, 1)
         return state
 
-    def update(self):
+    def update(self) -> None:
         """Update sensor values."""
         self._data.update()
         self._attr_native_value = self._compute_state()
diff --git a/homeassistant/components/dsmr_reader/sensor.py b/homeassistant/components/dsmr_reader/sensor.py
index 3dac30dcf6c..603b5682f42 100644
--- a/homeassistant/components/dsmr_reader/sensor.py
+++ b/homeassistant/components/dsmr_reader/sensor.py
@@ -35,7 +35,7 @@ class DSMRSensor(SensorEntity):
         slug = slugify(description.key.replace("/", "_"))
         self.entity_id = f"sensor.{slug}"
 
-    async def async_added_to_hass(self):
+    async def async_added_to_hass(self) -> None:
         """Subscribe to MQTT events."""
 
         @callback
diff --git a/homeassistant/components/dte_energy_bridge/sensor.py b/homeassistant/components/dte_energy_bridge/sensor.py
index 7f85710206d..b97a8eb83eb 100644
--- a/homeassistant/components/dte_energy_bridge/sensor.py
+++ b/homeassistant/components/dte_energy_bridge/sensor.py
@@ -71,7 +71,7 @@ class DteEnergyBridgeSensor(SensorEntity):
 
         self._attr_name = name
 
-    def update(self):
+    def update(self) -> None:
         """Get the energy usage data from the DTE energy bridge."""
         try:
             response = requests.get(self._url, timeout=5)
diff --git a/homeassistant/components/dublin_bus_transport/sensor.py b/homeassistant/components/dublin_bus_transport/sensor.py
index e6ee4d92de9..cf65c18e91c 100644
--- a/homeassistant/components/dublin_bus_transport/sensor.py
+++ b/homeassistant/components/dublin_bus_transport/sensor.py
@@ -125,7 +125,7 @@ class DublinPublicTransportSensor(SensorEntity):
         """Icon to use in the frontend, if any."""
         return ICON
 
-    def update(self):
+    def update(self) -> None:
         """Get the latest data from opendata.ch and update the states."""
         self.data.update()
         self._times = self.data.info
diff --git a/homeassistant/components/dwd_weather_warnings/sensor.py b/homeassistant/components/dwd_weather_warnings/sensor.py
index 941e1ee9017..1436b416031 100644
--- a/homeassistant/components/dwd_weather_warnings/sensor.py
+++ b/homeassistant/components/dwd_weather_warnings/sensor.py
@@ -164,11 +164,11 @@ class DwdWeatherWarningsSensor(SensorEntity):
         return data
 
     @property
-    def available(self):
+    def available(self) -> bool:
         """Could the device be accessed during the last update call."""
         return self._api.api.data_valid
 
-    def update(self):
+    def update(self) -> None:
         """Get the latest data from the DWD-Weather-Warnings API."""
         _LOGGER.debug(
             "Update requested for %s (%s) by %s",
diff --git a/homeassistant/components/dweet/sensor.py b/homeassistant/components/dweet/sensor.py
index fd5b64e206a..8a1b5a1bc6c 100644
--- a/homeassistant/components/dweet/sensor.py
+++ b/homeassistant/components/dweet/sensor.py
@@ -92,7 +92,7 @@ class DweetSensor(SensorEntity):
         """Return the state."""
         return self._state
 
-    def update(self):
+    def update(self) -> None:
         """Get the latest data from REST API."""
         self.dweet.update()
 
diff --git a/homeassistant/components/dynalite/switch.py b/homeassistant/components/dynalite/switch.py
index c98a1ce0ec4..3e459e45847 100644
--- a/homeassistant/components/dynalite/switch.py
+++ b/homeassistant/components/dynalite/switch.py
@@ -1,5 +1,7 @@
 """Support for the Dynalite channels and presets as switches."""
 
+from typing import Any
+
 from homeassistant.components.switch import SwitchEntity
 from homeassistant.config_entries import ConfigEntry
 from homeassistant.core import HomeAssistant
@@ -27,10 +29,10 @@ class DynaliteSwitch(DynaliteBase, SwitchEntity):
         """Return true if switch is on."""
         return self._device.is_on
 
-    async def async_turn_on(self, **kwargs) -> None:
+    async def async_turn_on(self, **kwargs: Any) -> None:
         """Turn the switch on."""
         await self._device.async_turn_on()
 
-    async def async_turn_off(self, **kwargs) -> None:
+    async def async_turn_off(self, **kwargs: Any) -> None:
         """Turn the switch off."""
         await self._device.async_turn_off()