diff --git a/homeassistant/components/ihc/binary_sensor.py b/homeassistant/components/ihc/binary_sensor.py
index 48035d27a4d..badf0f4e92f 100644
--- a/homeassistant/components/ihc/binary_sensor.py
+++ b/homeassistant/components/ihc/binary_sensor.py
@@ -3,11 +3,15 @@ from __future__ import annotations
 
 from ihcsdk.ihccontroller import IHCController
 
-from homeassistant.components.binary_sensor import BinarySensorEntity
+from homeassistant.components.binary_sensor import (
+    BinarySensorDeviceClass,
+    BinarySensorEntity,
+)
 from homeassistant.const import CONF_TYPE
 from homeassistant.core import HomeAssistant
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
 from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
+from homeassistant.util.enum import try_parse_enum
 
 from .const import CONF_INVERTING, DOMAIN, IHC_CONTROLLER
 from .ihcdevice import IHCDevice
@@ -62,24 +66,13 @@ class IHCBinarySensor(IHCDevice, BinarySensorEntity):
     ) -> None:
         """Initialize the IHC binary sensor."""
         super().__init__(ihc_controller, controller_id, name, ihc_id, product)
-        self._state = None
-        self._sensor_type = sensor_type
+        self._attr_device_class = try_parse_enum(BinarySensorDeviceClass, sensor_type)
         self.inverting = inverting
 
-    @property
-    def device_class(self):
-        """Return the class of this sensor."""
-        return self._sensor_type
-
-    @property
-    def is_on(self):
-        """Return true if the binary sensor is on/open."""
-        return self._state
-
     def on_ihc_change(self, ihc_id, value):
         """IHC resource has changed."""
         if self.inverting:
-            self._state = not value
+            self._attr_is_on = not value
         else:
-            self._state = value
+            self._attr_is_on = value
         self.schedule_update_ha_state()
diff --git a/homeassistant/components/ihc/sensor.py b/homeassistant/components/ihc/sensor.py
index d3c38687caa..c1210a358d6 100644
--- a/homeassistant/components/ihc/sensor.py
+++ b/homeassistant/components/ihc/sensor.py
@@ -51,29 +51,11 @@ class IHCSensor(IHCDevice, SensorEntity):
     ) -> None:
         """Initialize the IHC sensor."""
         super().__init__(ihc_controller, controller_id, name, ihc_id, product)
-        self._state = None
-        self._unit_of_measurement = unit
-
-    @property
-    def device_class(self):
-        """Return the class of this device, from component DEVICE_CLASSES."""
-        return (
-            SensorDeviceClass.TEMPERATURE
-            if self._unit_of_measurement in TEMPERATURE_UNITS
-            else None
-        )
-
-    @property
-    def native_value(self):
-        """Return the state of the sensor."""
-        return self._state
-
-    @property
-    def native_unit_of_measurement(self):
-        """Return the unit of measurement of this entity, if any."""
-        return self._unit_of_measurement
+        self._attr_native_unit_of_measurement = unit
+        if unit in TEMPERATURE_UNITS:
+            self._attr_device_class = SensorDeviceClass.TEMPERATURE
 
     def on_ihc_change(self, ihc_id, value):
         """Handle IHC resource change."""
-        self._state = value
+        self._attr_native_value = value
         self.schedule_update_ha_state()
diff --git a/homeassistant/components/ihc/switch.py b/homeassistant/components/ihc/switch.py
index 8e8edb0b7f7..d4593dad570 100644
--- a/homeassistant/components/ihc/switch.py
+++ b/homeassistant/components/ihc/switch.py
@@ -59,12 +59,6 @@ class IHCSwitch(IHCDevice, SwitchEntity):
         super().__init__(ihc_controller, controller_id, name, ihc_id, product)
         self._ihc_off_id = ihc_off_id
         self._ihc_on_id = ihc_on_id
-        self._state = False
-
-    @property
-    def is_on(self):
-        """Return true if switch is on."""
-        return self._state
 
     async def async_turn_on(self, **kwargs: Any) -> None:
         """Turn the switch on."""
@@ -82,5 +76,5 @@ class IHCSwitch(IHCDevice, SwitchEntity):
 
     def on_ihc_change(self, ihc_id, value):
         """Handle IHC resource change."""
-        self._state = value
+        self._attr_is_on = value
         self.schedule_update_ha_state()