diff --git a/homeassistant/components/deconz/binary_sensor.py b/homeassistant/components/deconz/binary_sensor.py
index b19301aa113..392d2e03885 100644
--- a/homeassistant/components/deconz/binary_sensor.py
+++ b/homeassistant/components/deconz/binary_sensor.py
@@ -81,6 +81,11 @@ class DeconzBinarySensor(DeconzDevice, BinarySensorEntity):
 
     TYPE = DOMAIN
 
+    def __init__(self, device, gateway):
+        """Initialize deCONZ binary sensor."""
+        super().__init__(device, gateway)
+        self._attr_device_class = DEVICE_CLASS.get(type(self._device))
+
     @callback
     def async_update_callback(self, force_update=False):
         """Update the sensor's state."""
@@ -93,11 +98,6 @@ class DeconzBinarySensor(DeconzDevice, BinarySensorEntity):
         """Return true if sensor is on."""
         return self._device.state
 
-    @property
-    def device_class(self):
-        """Return the class of the sensor."""
-        return DEVICE_CLASS.get(type(self._device))
-
     @property
     def extra_state_attributes(self):
         """Return the state attributes of the sensor."""
@@ -129,6 +129,12 @@ class DeconzTampering(DeconzDevice, BinarySensorEntity):
 
     _attr_device_class = DEVICE_CLASS_PROBLEM
 
+    def __init__(self, device, gateway):
+        """Initialize deCONZ binary sensor."""
+        super().__init__(device, gateway)
+
+        self._attr_name = f"{self._device.name} Tampered"
+
     @property
     def unique_id(self) -> str:
         """Return a unique identifier for this device."""
@@ -145,8 +151,3 @@ class DeconzTampering(DeconzDevice, BinarySensorEntity):
     def is_on(self) -> bool:
         """Return the state of the sensor."""
         return self._device.tampered
-
-    @property
-    def name(self) -> str:
-        """Return the name of the sensor."""
-        return f"{self._device.name} Tampered"
diff --git a/homeassistant/components/deconz/climate.py b/homeassistant/components/deconz/climate.py
index db68843080a..4f8345b5e92 100644
--- a/homeassistant/components/deconz/climate.py
+++ b/homeassistant/components/deconz/climate.py
@@ -128,18 +128,13 @@ class DeconzThermostat(DeconzDevice, ClimateEntity):
             value: key for key, value in self._hvac_mode_to_deconz.items()
         }
 
-        self._features = SUPPORT_TARGET_TEMPERATURE
+        self._attr_supported_features = SUPPORT_TARGET_TEMPERATURE
 
         if "fanmode" in device.raw["config"]:
-            self._features |= SUPPORT_FAN_MODE
+            self._attr_supported_features |= SUPPORT_FAN_MODE
 
         if "preset" in device.raw["config"]:
-            self._features |= SUPPORT_PRESET_MODE
-
-    @property
-    def supported_features(self):
-        """Return the list of supported features."""
-        return self._features
+            self._attr_supported_features |= SUPPORT_PRESET_MODE
 
     # Fan control
 
diff --git a/homeassistant/components/deconz/const.py b/homeassistant/components/deconz/const.py
index 799fc221e2c..d2d7025771e 100644
--- a/homeassistant/components/deconz/const.py
+++ b/homeassistant/components/deconz/const.py
@@ -56,8 +56,11 @@ ATTR_ON = "on"
 ATTR_VALVE = "valve"
 
 # Covers
-DAMPERS = ["Level controllable output"]
-WINDOW_COVERS = ["Window covering device", "Window covering controller"]
+LEVEL_CONTROLLABLE_OUTPUT = "Level controllable output"
+DAMPERS = [LEVEL_CONTROLLABLE_OUTPUT]
+WINDOW_COVERING_CONTROLLER = "Window covering controller"
+WINDOW_COVERING_DEVICE = "Window covering device"
+WINDOW_COVERS = [WINDOW_COVERING_CONTROLLER, WINDOW_COVERING_DEVICE]
 COVER_TYPES = DAMPERS + WINDOW_COVERS
 
 # Fans
diff --git a/homeassistant/components/deconz/cover.py b/homeassistant/components/deconz/cover.py
index 68fb9527e87..21618127905 100644
--- a/homeassistant/components/deconz/cover.py
+++ b/homeassistant/components/deconz/cover.py
@@ -18,10 +18,22 @@ from homeassistant.components.cover import (
 from homeassistant.core import callback
 from homeassistant.helpers.dispatcher import async_dispatcher_connect
 
-from .const import COVER_TYPES, DAMPERS, NEW_LIGHT, WINDOW_COVERS
+from .const import (
+    COVER_TYPES,
+    LEVEL_CONTROLLABLE_OUTPUT,
+    NEW_LIGHT,
+    WINDOW_COVERING_CONTROLLER,
+    WINDOW_COVERING_DEVICE,
+)
 from .deconz_device import DeconzDevice
 from .gateway import get_gateway_from_config_entry
 
+DEVICE_CLASS = {
+    LEVEL_CONTROLLABLE_OUTPUT: DEVICE_CLASS_DAMPER,
+    WINDOW_COVERING_CONTROLLER: DEVICE_CLASS_SHADE,
+    WINDOW_COVERING_DEVICE: DEVICE_CLASS_SHADE,
+}
+
 
 async def async_setup_entry(hass, config_entry, async_add_entities):
     """Set up covers for deCONZ component."""
@@ -61,29 +73,18 @@ class DeconzCover(DeconzDevice, CoverEntity):
         """Set up cover device."""
         super().__init__(device, gateway)
 
-        self._features = SUPPORT_OPEN
-        self._features |= SUPPORT_CLOSE
-        self._features |= SUPPORT_STOP
-        self._features |= SUPPORT_SET_POSITION
+        self._attr_supported_features = SUPPORT_OPEN
+        self._attr_supported_features |= SUPPORT_CLOSE
+        self._attr_supported_features |= SUPPORT_STOP
+        self._attr_supported_features |= SUPPORT_SET_POSITION
 
         if self._device.tilt is not None:
-            self._features |= SUPPORT_OPEN_TILT
-            self._features |= SUPPORT_CLOSE_TILT
-            self._features |= SUPPORT_STOP_TILT
-            self._features |= SUPPORT_SET_TILT_POSITION
+            self._attr_supported_features |= SUPPORT_OPEN_TILT
+            self._attr_supported_features |= SUPPORT_CLOSE_TILT
+            self._attr_supported_features |= SUPPORT_STOP_TILT
+            self._attr_supported_features |= SUPPORT_SET_TILT_POSITION
 
-    @property
-    def supported_features(self):
-        """Flag supported features."""
-        return self._features
-
-    @property
-    def device_class(self):
-        """Return the class of the cover."""
-        if self._device.type in DAMPERS:
-            return DEVICE_CLASS_DAMPER
-        if self._device.type in WINDOW_COVERS:
-            return DEVICE_CLASS_SHADE
+        self._attr_device_class = DEVICE_CLASS.get(self._device.type)
 
     @property
     def current_cover_position(self):
diff --git a/homeassistant/components/deconz/deconz_device.py b/homeassistant/components/deconz/deconz_device.py
index 37a41845a00..63f624ba643 100644
--- a/homeassistant/components/deconz/deconz_device.py
+++ b/homeassistant/components/deconz/deconz_device.py
@@ -34,8 +34,6 @@ class DeconzBase:
         if self.serial is None:
             return None
 
-        bridgeid = self.gateway.api.config.bridgeid
-
         return {
             "connections": {(CONNECTION_ZIGBEE, self.serial)},
             "identifiers": {(DECONZ_DOMAIN, self.serial)},
@@ -43,13 +41,15 @@ class DeconzBase:
             "model": self._device.modelid,
             "name": self._device.name,
             "sw_version": self._device.swversion,
-            "via_device": (DECONZ_DOMAIN, bridgeid),
+            "via_device": (DECONZ_DOMAIN, self.gateway.api.config.bridgeid),
         }
 
 
 class DeconzDevice(DeconzBase, Entity):
     """Representation of a deCONZ device."""
 
+    _attr_should_poll = False
+
     TYPE = ""
 
     def __init__(self, device, gateway):
@@ -57,6 +57,8 @@ class DeconzDevice(DeconzBase, Entity):
         super().__init__(device, gateway)
         self.gateway.entities[self.TYPE].add(self.unique_id)
 
+        self._attr_name = self._device.name
+
     @property
     def entity_registry_enabled_default(self) -> bool:
         """Return if the entity should be enabled when first added to the entity registry.
@@ -93,13 +95,3 @@ class DeconzDevice(DeconzBase, Entity):
     def available(self):
         """Return True if device is available."""
         return self.gateway.available and self._device.reachable
-
-    @property
-    def name(self):
-        """Return the name of the device."""
-        return self._device.name
-
-    @property
-    def should_poll(self):
-        """No polling needed."""
-        return False
diff --git a/homeassistant/components/deconz/fan.py b/homeassistant/components/deconz/fan.py
index dfb6802fd75..cb64bff6d16 100644
--- a/homeassistant/components/deconz/fan.py
+++ b/homeassistant/components/deconz/fan.py
@@ -67,7 +67,7 @@ class DeconzFan(DeconzDevice, FanEntity):
         if self._device.speed in ORDERED_NAMED_FAN_SPEEDS:
             self._default_on_speed = self._device.speed
 
-        self._features = SUPPORT_SET_SPEED
+        self._attr_supported_features = SUPPORT_SET_SPEED
 
     @property
     def is_on(self) -> bool:
@@ -128,7 +128,7 @@ class DeconzFan(DeconzDevice, FanEntity):
     @property
     def supported_features(self) -> int:
         """Flag supported features."""
-        return self._features
+        return self._attr_supported_features
 
     @callback
     def async_update_callback(self, force_update=False) -> None:
diff --git a/homeassistant/components/deconz/light.py b/homeassistant/components/deconz/light.py
index ac18d2de248..90d5e82af71 100644
--- a/homeassistant/components/deconz/light.py
+++ b/homeassistant/components/deconz/light.py
@@ -273,14 +273,12 @@ class DeconzGroup(DeconzBaseLight):
     @property
     def device_info(self):
         """Return a device description for device registry."""
-        bridgeid = self.gateway.api.config.bridgeid
-
         return {
             "identifiers": {(DECONZ_DOMAIN, self.unique_id)},
             "manufacturer": "Dresden Elektronik",
             "model": "deCONZ group",
             "name": self._device.name,
-            "via_device": (DECONZ_DOMAIN, bridgeid),
+            "via_device": (DECONZ_DOMAIN, self.gateway.api.config.bridgeid),
         }
 
     @property
diff --git a/homeassistant/components/deconz/scene.py b/homeassistant/components/deconz/scene.py
index ecd363f121a..f4a4d328d22 100644
--- a/homeassistant/components/deconz/scene.py
+++ b/homeassistant/components/deconz/scene.py
@@ -38,6 +38,8 @@ class DeconzScene(Scene):
         self._scene = scene
         self.gateway = gateway
 
+        self._attr_name = scene.full_name
+
     async def async_added_to_hass(self):
         """Subscribe to sensors events."""
         self.gateway.deconz_ids[self.entity_id] = self._scene.deconz_id
@@ -50,8 +52,3 @@ class DeconzScene(Scene):
     async def async_activate(self, **kwargs: Any) -> None:
         """Activate the scene."""
         await self._scene.async_set_state({})
-
-    @property
-    def name(self):
-        """Return the name of the scene."""
-        return self._scene.full_name
diff --git a/homeassistant/components/deconz/sensor.py b/homeassistant/components/deconz/sensor.py
index bbc49f786ea..e0f12303946 100644
--- a/homeassistant/components/deconz/sensor.py
+++ b/homeassistant/components/deconz/sensor.py
@@ -149,6 +149,15 @@ class DeconzSensor(DeconzDevice, SensorEntity):
 
     TYPE = DOMAIN
 
+    def __init__(self, device, gateway):
+        """Initialize deCONZ binary sensor."""
+        super().__init__(device, gateway)
+
+        self._attr_device_class = DEVICE_CLASS.get(type(self._device))
+        self._attr_icon = ICON.get(type(self._device))
+        self._attr_state_class = STATE_CLASS.get(type(self._device))
+        self._attr_unit_of_measurement = UNIT_OF_MEASUREMENT.get(type(self._device))
+
     @callback
     def async_update_callback(self, force_update=False):
         """Update the sensor's state."""
@@ -161,26 +170,6 @@ class DeconzSensor(DeconzDevice, SensorEntity):
         """Return the state of the sensor."""
         return self._device.state
 
-    @property
-    def device_class(self):
-        """Return the class of the sensor."""
-        return DEVICE_CLASS.get(type(self._device))
-
-    @property
-    def icon(self):
-        """Return the icon to use in the frontend."""
-        return ICON.get(type(self._device))
-
-    @property
-    def state_class(self):
-        """Return the state class of the sensor."""
-        return STATE_CLASS.get(type(self._device))
-
-    @property
-    def unit_of_measurement(self):
-        """Return the unit of measurement of this sensor."""
-        return UNIT_OF_MEASUREMENT.get(type(self._device))
-
     @property
     def extra_state_attributes(self):
         """Return the state attributes of the sensor."""
@@ -219,8 +208,18 @@ class DeconzTemperature(DeconzDevice, SensorEntity):
     Extra temperature sensor on certain Xiaomi devices.
     """
 
+    _attr_device_class = DEVICE_CLASS_TEMPERATURE
+    _attr_state_class = STATE_CLASS_MEASUREMENT
+    _attr_unit_of_measurement = TEMP_CELSIUS
+
     TYPE = DOMAIN
 
+    def __init__(self, device, gateway):
+        """Initialize deCONZ temperature sensor."""
+        super().__init__(device, gateway)
+
+        self._attr_name = f"{self._device.name} Temperature"
+
     @property
     def unique_id(self):
         """Return a unique identifier for this device."""
@@ -238,32 +237,22 @@ class DeconzTemperature(DeconzDevice, SensorEntity):
         """Return the state of the sensor."""
         return self._device.secondary_temperature
 
-    @property
-    def name(self):
-        """Return the name of the temperature sensor."""
-        return f"{self._device.name} Temperature"
-
-    @property
-    def device_class(self):
-        """Return the class of the sensor."""
-        return DEVICE_CLASS_TEMPERATURE
-
-    @property
-    def state_class(self):
-        """Return the state class of the sensor."""
-        return STATE_CLASS_MEASUREMENT
-
-    @property
-    def unit_of_measurement(self):
-        """Return the unit of measurement of this sensor."""
-        return TEMP_CELSIUS
-
 
 class DeconzBattery(DeconzDevice, SensorEntity):
     """Battery class for when a device is only represented as an event."""
 
+    _attr_device_class = DEVICE_CLASS_BATTERY
+    _attr_state_class = STATE_CLASS_MEASUREMENT
+    _attr_unit_of_measurement = PERCENTAGE
+
     TYPE = DOMAIN
 
+    def __init__(self, device, gateway):
+        """Initialize deCONZ battery level sensor."""
+        super().__init__(device, gateway)
+
+        self._attr_name = f"{self._device.name} Battery Level"
+
     @callback
     def async_update_callback(self, force_update=False):
         """Update the battery's state, if needed."""
@@ -292,26 +281,6 @@ class DeconzBattery(DeconzDevice, SensorEntity):
         """Return the state of the battery."""
         return self._device.battery
 
-    @property
-    def name(self):
-        """Return the name of the battery."""
-        return f"{self._device.name} Battery Level"
-
-    @property
-    def device_class(self):
-        """Return the class of the sensor."""
-        return DEVICE_CLASS_BATTERY
-
-    @property
-    def state_class(self):
-        """Return the state class of the sensor."""
-        return STATE_CLASS_MEASUREMENT
-
-    @property
-    def unit_of_measurement(self):
-        """Return the unit of measurement of this entity."""
-        return PERCENTAGE
-
     @property
     def extra_state_attributes(self):
         """Return the state attributes of the battery."""