diff --git a/homeassistant/components/switcher_kis/button.py b/homeassistant/components/switcher_kis/button.py
index 9454dcabc49..b770c48c11c 100644
--- a/homeassistant/components/switcher_kis/button.py
+++ b/homeassistant/components/switcher_kis/button.py
@@ -2,11 +2,13 @@
 
 from __future__ import annotations
 
-from collections.abc import Callable
+from collections.abc import Callable, Coroutine
 from dataclasses import dataclass
+from typing import Any, cast
 
 from aioswitcher.api import (
     DeviceState,
+    SwitcherApi,
     SwitcherBaseResponse,
     SwitcherType2Api,
     ThermostatSwing,
@@ -34,7 +36,10 @@ from .utils import get_breeze_remote_manager
 class SwitcherThermostatButtonEntityDescription(ButtonEntityDescription):
     """Class to describe a Switcher Thermostat Button entity."""
 
-    press_fn: Callable[[SwitcherType2Api, SwitcherBreezeRemote], SwitcherBaseResponse]
+    press_fn: Callable[
+        [SwitcherApi, SwitcherBreezeRemote],
+        Coroutine[Any, Any, SwitcherBaseResponse],
+    ]
     supported: Callable[[SwitcherBreezeRemote], bool]
 
 
@@ -85,9 +90,10 @@ async def async_setup_entry(
 
     async def async_add_buttons(coordinator: SwitcherDataUpdateCoordinator) -> None:
         """Get remote and add button from Switcher device."""
+        data = cast(SwitcherBreezeRemote, coordinator.data)
         if coordinator.data.device_type.category == DeviceCategory.THERMOSTAT:
             remote: SwitcherBreezeRemote = await hass.async_add_executor_job(
-                get_breeze_remote_manager(hass).get_remote, coordinator.data.remote_id
+                get_breeze_remote_manager(hass).get_remote, data.remote_id
             )
             async_add_entities(
                 SwitcherThermostatButtonEntity(coordinator, description, remote)
@@ -126,7 +132,7 @@ class SwitcherThermostatButtonEntity(
 
     async def async_press(self) -> None:
         """Press the button."""
-        response: SwitcherBaseResponse = None
+        response: SwitcherBaseResponse | None = None
         error = None
 
         try:
diff --git a/homeassistant/components/switcher_kis/climate.py b/homeassistant/components/switcher_kis/climate.py
index 9797873c73b..e6267e15305 100644
--- a/homeassistant/components/switcher_kis/climate.py
+++ b/homeassistant/components/switcher_kis/climate.py
@@ -9,6 +9,7 @@ from aioswitcher.api.remotes import SwitcherBreezeRemote
 from aioswitcher.device import (
     DeviceCategory,
     DeviceState,
+    SwitcherThermostat,
     ThermostatFanLevel,
     ThermostatMode,
     ThermostatSwing,
@@ -68,9 +69,10 @@ async def async_setup_entry(
 
     async def async_add_climate(coordinator: SwitcherDataUpdateCoordinator) -> None:
         """Get remote and add climate from Switcher device."""
+        data = cast(SwitcherThermostat, coordinator.data)
         if coordinator.data.device_type.category == DeviceCategory.THERMOSTAT:
             remote: SwitcherBreezeRemote = await hass.async_add_executor_job(
-                get_breeze_remote_manager(hass).get_remote, coordinator.data.remote_id
+                get_breeze_remote_manager(hass).get_remote, data.remote_id
             )
             async_add_entities([SwitcherClimateEntity(coordinator, remote)])
 
@@ -133,13 +135,13 @@ class SwitcherClimateEntity(
 
     def _update_data(self, force_update: bool = False) -> None:
         """Update data from device."""
-        data = self.coordinator.data
+        data = cast(SwitcherThermostat, self.coordinator.data)
         features = self._remote.modes_features[data.mode]
 
         if data.target_temperature == 0 and not force_update:
             return
 
-        self._attr_current_temperature = cast(float, data.temperature)
+        self._attr_current_temperature = data.temperature
         self._attr_target_temperature = float(data.target_temperature)
 
         self._attr_hvac_mode = HVACMode.OFF
@@ -162,7 +164,7 @@ class SwitcherClimateEntity(
 
     async def _async_control_breeze_device(self, **kwargs: Any) -> None:
         """Call Switcher Control Breeze API."""
-        response: SwitcherBaseResponse = None
+        response: SwitcherBaseResponse | None = None
         error = None
 
         try:
@@ -185,9 +187,8 @@ class SwitcherClimateEntity(
 
     async def async_set_temperature(self, **kwargs: Any) -> None:
         """Set new target temperature."""
-        if not self._remote.modes_features[self.coordinator.data.mode][
-            "temperature_control"
-        ]:
+        data = cast(SwitcherThermostat, self.coordinator.data)
+        if not self._remote.modes_features[data.mode]["temperature_control"]:
             raise HomeAssistantError(
                 "Current mode doesn't support setting Target Temperature"
             )
@@ -199,7 +200,8 @@ class SwitcherClimateEntity(
 
     async def async_set_fan_mode(self, fan_mode: str) -> None:
         """Set new target fan mode."""
-        if not self._remote.modes_features[self.coordinator.data.mode]["fan_levels"]:
+        data = cast(SwitcherThermostat, self.coordinator.data)
+        if not self._remote.modes_features[data.mode]["fan_levels"]:
             raise HomeAssistantError("Current mode doesn't support setting Fan Mode")
 
         await self._async_control_breeze_device(fan_level=HA_TO_DEVICE_FAN[fan_mode])
@@ -215,7 +217,8 @@ class SwitcherClimateEntity(
 
     async def async_set_swing_mode(self, swing_mode: str) -> None:
         """Set new target swing operation."""
-        if not self._remote.modes_features[self.coordinator.data.mode]["swing"]:
+        data = cast(SwitcherThermostat, self.coordinator.data)
+        if not self._remote.modes_features[data.mode]["swing"]:
             raise HomeAssistantError("Current mode doesn't support setting Swing Mode")
 
         if swing_mode == SWING_VERTICAL:
diff --git a/homeassistant/components/switcher_kis/coordinator.py b/homeassistant/components/switcher_kis/coordinator.py
index 08207aa0d79..1fdefda23a2 100644
--- a/homeassistant/components/switcher_kis/coordinator.py
+++ b/homeassistant/components/switcher_kis/coordinator.py
@@ -45,17 +45,17 @@ class SwitcherDataUpdateCoordinator(
     @property
     def model(self) -> str:
         """Switcher device model."""
-        return self.data.device_type.value  # type: ignore[no-any-return]
+        return self.data.device_type.value
 
     @property
     def device_id(self) -> str:
         """Switcher device id."""
-        return self.data.device_id  # type: ignore[no-any-return]
+        return self.data.device_id
 
     @property
     def mac_address(self) -> str:
         """Switcher device mac address."""
-        return self.data.mac_address  # type: ignore[no-any-return]
+        return self.data.mac_address
 
     @callback
     def async_setup(self) -> None:
diff --git a/homeassistant/components/switcher_kis/cover.py b/homeassistant/components/switcher_kis/cover.py
index 8f75ae49905..258af3e1d5e 100644
--- a/homeassistant/components/switcher_kis/cover.py
+++ b/homeassistant/components/switcher_kis/cover.py
@@ -3,7 +3,7 @@
 from __future__ import annotations
 
 import logging
-from typing import Any
+from typing import Any, cast
 
 from aioswitcher.api import SwitcherBaseResponse, SwitcherType2Api
 from aioswitcher.device import DeviceCategory, ShutterDirection, SwitcherShutter
@@ -84,7 +84,7 @@ class SwitcherCoverEntity(
 
     def _update_data(self) -> None:
         """Update data from device."""
-        data: SwitcherShutter = self.coordinator.data
+        data = cast(SwitcherShutter, self.coordinator.data)
         self._attr_current_cover_position = data.position
         self._attr_is_closed = data.position == 0
         self._attr_is_closing = data.direction == ShutterDirection.SHUTTER_DOWN
@@ -93,7 +93,7 @@ class SwitcherCoverEntity(
     async def _async_call_api(self, api: str, *args: Any) -> None:
         """Call Switcher API."""
         _LOGGER.debug("Calling api for %s, api: '%s', args: %s", self.name, api, args)
-        response: SwitcherBaseResponse = None
+        response: SwitcherBaseResponse | None = None
         error = None
 
         try:
diff --git a/homeassistant/components/switcher_kis/manifest.json b/homeassistant/components/switcher_kis/manifest.json
index bf236013896..52b218fce9c 100644
--- a/homeassistant/components/switcher_kis/manifest.json
+++ b/homeassistant/components/switcher_kis/manifest.json
@@ -7,6 +7,6 @@
   "iot_class": "local_push",
   "loggers": ["aioswitcher"],
   "quality_scale": "platinum",
-  "requirements": ["aioswitcher==3.4.1"],
+  "requirements": ["aioswitcher==3.4.3"],
   "single_config_entry": true
 }
diff --git a/homeassistant/components/switcher_kis/switch.py b/homeassistant/components/switcher_kis/switch.py
index 1de4e840d96..2280d6bc845 100644
--- a/homeassistant/components/switcher_kis/switch.py
+++ b/homeassistant/components/switcher_kis/switch.py
@@ -111,7 +111,7 @@ class SwitcherBaseSwitchEntity(
         _LOGGER.debug(
             "Calling api for %s, api: '%s', args: %s", self.coordinator.name, api, args
         )
-        response: SwitcherBaseResponse = None
+        response: SwitcherBaseResponse | None = None
         error = None
 
         try:
diff --git a/requirements_all.txt b/requirements_all.txt
index 6baa552b0f6..cd8df47364e 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -371,7 +371,7 @@ aiosolaredge==0.2.0
 aiosteamist==0.3.2
 
 # homeassistant.components.switcher_kis
-aioswitcher==3.4.1
+aioswitcher==3.4.3
 
 # homeassistant.components.syncthing
 aiosyncthing==0.5.1
diff --git a/requirements_test_all.txt b/requirements_test_all.txt
index ca926fb99ce..da6199e3341 100644
--- a/requirements_test_all.txt
+++ b/requirements_test_all.txt
@@ -344,7 +344,7 @@ aiosolaredge==0.2.0
 aiosteamist==0.3.2
 
 # homeassistant.components.switcher_kis
-aioswitcher==3.4.1
+aioswitcher==3.4.3
 
 # homeassistant.components.syncthing
 aiosyncthing==0.5.1