diff --git a/homeassistant/components/gardena_bluetooth/coordinator.py b/homeassistant/components/gardena_bluetooth/coordinator.py
index 997c78d0f00..9f5dc3223b5 100644
--- a/homeassistant/components/gardena_bluetooth/coordinator.py
+++ b/homeassistant/components/gardena_bluetooth/coordinator.py
@@ -15,7 +15,7 @@ from gardena_bluetooth.parse import Characteristic, CharacteristicType
 from homeassistant.components import bluetooth
 from homeassistant.core import HomeAssistant
 from homeassistant.exceptions import HomeAssistantError
-from homeassistant.helpers.entity import DeviceInfo
+from homeassistant.helpers.entity import DeviceInfo, EntityDescription
 from homeassistant.helpers.update_coordinator import (
     CoordinatorEntity,
     DataUpdateCoordinator,
@@ -119,3 +119,15 @@ class GardenaBluetoothEntity(CoordinatorEntity[Coordinator]):
         return super().available and bluetooth.async_address_present(
             self.hass, self.coordinator.address, True
         )
+
+
+class GardenaBluetoothDescriptorEntity(GardenaBluetoothEntity):
+    """Coordinator entity for entities with entity description."""
+
+    def __init__(
+        self, coordinator: Coordinator, description: EntityDescription
+    ) -> None:
+        """Initialize description entity."""
+        super().__init__(coordinator, {description.key})
+        self._attr_unique_id = f"{coordinator.address}-{description.key}"
+        self.entity_description = description
diff --git a/homeassistant/components/gardena_bluetooth/number.py b/homeassistant/components/gardena_bluetooth/number.py
index 5f7f870302b..ec7ae513a3e 100644
--- a/homeassistant/components/gardena_bluetooth/number.py
+++ b/homeassistant/components/gardena_bluetooth/number.py
@@ -21,7 +21,11 @@ from homeassistant.core import HomeAssistant
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
 
 from .const import DOMAIN
-from .coordinator import Coordinator, GardenaBluetoothEntity
+from .coordinator import (
+    Coordinator,
+    GardenaBluetoothDescriptorEntity,
+    GardenaBluetoothEntity,
+)
 
 
 @dataclass
@@ -95,24 +99,14 @@ async def async_setup_entry(
     async_add_entities(entities)
 
 
-class GardenaBluetoothNumber(GardenaBluetoothEntity, NumberEntity):
+class GardenaBluetoothNumber(GardenaBluetoothDescriptorEntity, NumberEntity):
     """Representation of a number."""
 
     entity_description: GardenaBluetoothNumberEntityDescription
 
-    def __init__(
-        self,
-        coordinator: Coordinator,
-        description: GardenaBluetoothNumberEntityDescription,
-    ) -> None:
-        """Initialize the number entity."""
-        super().__init__(coordinator, {description.key})
-        self._attr_unique_id = f"{coordinator.address}-{description.key}"
-        self.entity_description = description
-
     def _handle_coordinator_update(self) -> None:
-        if data := self.coordinator.data.get(self.entity_description.char.uuid):
-            self._attr_native_value = float(self.entity_description.char.decode(data))
+        if data := self.coordinator.get_cached(self.entity_description.char):
+            self._attr_native_value = float(data)
         else:
             self._attr_native_value = None
         super()._handle_coordinator_update()
diff --git a/homeassistant/components/gardena_bluetooth/sensor.py b/homeassistant/components/gardena_bluetooth/sensor.py
index d7cf914b9df..eaa44d9d4fb 100644
--- a/homeassistant/components/gardena_bluetooth/sensor.py
+++ b/homeassistant/components/gardena_bluetooth/sensor.py
@@ -20,7 +20,11 @@ from homeassistant.helpers.entity_platform import AddEntitiesCallback
 import homeassistant.util.dt as dt_util
 
 from .const import DOMAIN
-from .coordinator import Coordinator, GardenaBluetoothEntity
+from .coordinator import (
+    Coordinator,
+    GardenaBluetoothDescriptorEntity,
+    GardenaBluetoothEntity,
+)
 
 
 @dataclass
@@ -65,22 +69,11 @@ async def async_setup_entry(
     async_add_entities(entities)
 
 
-class GardenaBluetoothSensor(GardenaBluetoothEntity, SensorEntity):
+class GardenaBluetoothSensor(GardenaBluetoothDescriptorEntity, SensorEntity):
     """Representation of a sensor."""
 
     entity_description: GardenaBluetoothSensorEntityDescription
 
-    def __init__(
-        self,
-        coordinator: Coordinator,
-        description: GardenaBluetoothSensorEntityDescription,
-    ) -> None:
-        """Initialize the sensor."""
-        super().__init__(coordinator, {description.key})
-        self._attr_native_value = None
-        self._attr_unique_id = f"{coordinator.address}-{description.key}"
-        self.entity_description = description
-
     def _handle_coordinator_update(self) -> None:
         value = self.coordinator.get_cached(self.entity_description.char)
         if isinstance(value, datetime):
diff --git a/homeassistant/components/gardena_bluetooth/switch.py b/homeassistant/components/gardena_bluetooth/switch.py
index e3fcc8978c7..adb23c74c1d 100644
--- a/homeassistant/components/gardena_bluetooth/switch.py
+++ b/homeassistant/components/gardena_bluetooth/switch.py
@@ -51,10 +51,7 @@ class GardenaBluetoothValveSwitch(GardenaBluetoothEntity, SwitchEntity):
         self._attr_is_on = None
 
     def _handle_coordinator_update(self) -> None:
-        if data := self.coordinator.data.get(Valve.state.uuid):
-            self._attr_is_on = Valve.state.decode(data)
-        else:
-            self._attr_is_on = None
+        self._attr_is_on = self.coordinator.get_cached(Valve.state)
         super()._handle_coordinator_update()
 
     async def async_turn_on(self, **kwargs: Any) -> None: