diff --git a/homeassistant/components/airvisual/__init__.py b/homeassistant/components/airvisual/__init__.py
index f8f045859b3..dac34b170c9 100644
--- a/homeassistant/components/airvisual/__init__.py
+++ b/homeassistant/components/airvisual/__init__.py
@@ -34,13 +34,8 @@ from homeassistant.helpers import (
     device_registry as dr,
     entity_registry as er,
 )
-from homeassistant.helpers.entity import EntityDescription
 from homeassistant.helpers.issue_registry import IssueSeverity, async_create_issue
-from homeassistant.helpers.update_coordinator import (
-    CoordinatorEntity,
-    DataUpdateCoordinator,
-    UpdateFailed,
-)
+from homeassistant.helpers.update_coordinator import DataUpdateCoordinator, UpdateFailed
 
 from .const import (
     CONF_CITY,
@@ -403,39 +398,3 @@ async def async_unload_entry(hass: HomeAssistant, entry: AirVisualConfigEntry) -
 async def async_reload_entry(hass: HomeAssistant, entry: AirVisualConfigEntry) -> None:
     """Handle an options update."""
     await hass.config_entries.async_reload(entry.entry_id)
-
-
-class AirVisualEntity(CoordinatorEntity):
-    """Define a generic AirVisual entity."""
-
-    def __init__(
-        self,
-        coordinator: DataUpdateCoordinator,
-        entry: ConfigEntry,
-        description: EntityDescription,
-    ) -> None:
-        """Initialize."""
-        super().__init__(coordinator)
-
-        self._attr_extra_state_attributes = {}
-        self._entry = entry
-        self.entity_description = description
-
-    async def async_added_to_hass(self) -> None:
-        """Register callbacks."""
-        await super().async_added_to_hass()
-
-        @callback
-        def update() -> None:
-            """Update the state."""
-            self.update_from_latest_data()
-            self.async_write_ha_state()
-
-        self.async_on_remove(self.coordinator.async_add_listener(update))
-
-        self.update_from_latest_data()
-
-    @callback
-    def update_from_latest_data(self) -> None:
-        """Update the entity from the latest data."""
-        raise NotImplementedError
diff --git a/homeassistant/components/airvisual/entity.py b/homeassistant/components/airvisual/entity.py
new file mode 100644
index 00000000000..db480e560c7
--- /dev/null
+++ b/homeassistant/components/airvisual/entity.py
@@ -0,0 +1,47 @@
+"""The AirVisual component."""
+
+from __future__ import annotations
+
+from homeassistant.config_entries import ConfigEntry
+from homeassistant.core import callback
+from homeassistant.helpers.entity import EntityDescription
+from homeassistant.helpers.update_coordinator import (
+    CoordinatorEntity,
+    DataUpdateCoordinator,
+)
+
+
+class AirVisualEntity(CoordinatorEntity):
+    """Define a generic AirVisual entity."""
+
+    def __init__(
+        self,
+        coordinator: DataUpdateCoordinator,
+        entry: ConfigEntry,
+        description: EntityDescription,
+    ) -> None:
+        """Initialize."""
+        super().__init__(coordinator)
+
+        self._attr_extra_state_attributes = {}
+        self._entry = entry
+        self.entity_description = description
+
+    async def async_added_to_hass(self) -> None:
+        """Register callbacks."""
+        await super().async_added_to_hass()
+
+        @callback
+        def update() -> None:
+            """Update the state."""
+            self.update_from_latest_data()
+            self.async_write_ha_state()
+
+        self.async_on_remove(self.coordinator.async_add_listener(update))
+
+        self.update_from_latest_data()
+
+    @callback
+    def update_from_latest_data(self) -> None:
+        """Update the entity from the latest data."""
+        raise NotImplementedError
diff --git a/homeassistant/components/airvisual/sensor.py b/homeassistant/components/airvisual/sensor.py
index c9df2f72233..88a670edb82 100644
--- a/homeassistant/components/airvisual/sensor.py
+++ b/homeassistant/components/airvisual/sensor.py
@@ -26,8 +26,9 @@ from homeassistant.core import HomeAssistant, callback
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
 from homeassistant.helpers.update_coordinator import DataUpdateCoordinator
 
-from . import AirVisualConfigEntry, AirVisualEntity
+from . import AirVisualConfigEntry
 from .const import CONF_CITY
+from .entity import AirVisualEntity
 
 ATTR_CITY = "city"
 ATTR_COUNTRY = "country"
diff --git a/homeassistant/components/airvisual_pro/__init__.py b/homeassistant/components/airvisual_pro/__init__.py
index 7397f279021..b95d0597bab 100644
--- a/homeassistant/components/airvisual_pro/__init__.py
+++ b/homeassistant/components/airvisual_pro/__init__.py
@@ -24,15 +24,9 @@ from homeassistant.const import (
 )
 from homeassistant.core import Event, HomeAssistant
 from homeassistant.exceptions import ConfigEntryAuthFailed, ConfigEntryNotReady
-from homeassistant.helpers.device_registry import DeviceInfo
-from homeassistant.helpers.entity import EntityDescription
-from homeassistant.helpers.update_coordinator import (
-    CoordinatorEntity,
-    DataUpdateCoordinator,
-    UpdateFailed,
-)
+from homeassistant.helpers.update_coordinator import DataUpdateCoordinator, UpdateFailed
 
-from .const import DOMAIN, LOGGER
+from .const import LOGGER
 
 PLATFORMS = [Platform.SENSOR]
 
@@ -120,28 +114,3 @@ async def async_unload_entry(
         await entry.runtime_data.node.async_disconnect()
 
     return unload_ok
-
-
-class AirVisualProEntity(CoordinatorEntity):
-    """Define a generic AirVisual Pro entity."""
-
-    def __init__(
-        self, coordinator: DataUpdateCoordinator, description: EntityDescription
-    ) -> None:
-        """Initialize."""
-        super().__init__(coordinator)
-
-        self._attr_unique_id = f"{coordinator.data['serial_number']}_{description.key}"
-        self.entity_description = description
-
-    @property
-    def device_info(self) -> DeviceInfo:
-        """Return device registry information for this entity."""
-        return DeviceInfo(
-            identifiers={(DOMAIN, self.coordinator.data["serial_number"])},
-            manufacturer="AirVisual",
-            model=self.coordinator.data["status"]["model"],
-            name=self.coordinator.data["settings"]["node_name"],
-            hw_version=self.coordinator.data["status"]["system_version"],
-            sw_version=self.coordinator.data["status"]["app_version"],
-        )
diff --git a/homeassistant/components/airvisual_pro/entity.py b/homeassistant/components/airvisual_pro/entity.py
new file mode 100644
index 00000000000..bc28fa36e52
--- /dev/null
+++ b/homeassistant/components/airvisual_pro/entity.py
@@ -0,0 +1,37 @@
+"""The AirVisual Pro integration."""
+
+from __future__ import annotations
+
+from homeassistant.helpers.device_registry import DeviceInfo
+from homeassistant.helpers.entity import EntityDescription
+from homeassistant.helpers.update_coordinator import (
+    CoordinatorEntity,
+    DataUpdateCoordinator,
+)
+
+from .const import DOMAIN
+
+
+class AirVisualProEntity(CoordinatorEntity):
+    """Define a generic AirVisual Pro entity."""
+
+    def __init__(
+        self, coordinator: DataUpdateCoordinator, description: EntityDescription
+    ) -> None:
+        """Initialize."""
+        super().__init__(coordinator)
+
+        self._attr_unique_id = f"{coordinator.data['serial_number']}_{description.key}"
+        self.entity_description = description
+
+    @property
+    def device_info(self) -> DeviceInfo:
+        """Return device registry information for this entity."""
+        return DeviceInfo(
+            identifiers={(DOMAIN, self.coordinator.data["serial_number"])},
+            manufacturer="AirVisual",
+            model=self.coordinator.data["status"]["model"],
+            name=self.coordinator.data["settings"]["node_name"],
+            hw_version=self.coordinator.data["status"]["system_version"],
+            sw_version=self.coordinator.data["status"]["app_version"],
+        )
diff --git a/homeassistant/components/airvisual_pro/sensor.py b/homeassistant/components/airvisual_pro/sensor.py
index 895ba7d3244..66726832843 100644
--- a/homeassistant/components/airvisual_pro/sensor.py
+++ b/homeassistant/components/airvisual_pro/sensor.py
@@ -22,7 +22,8 @@ from homeassistant.const import (
 from homeassistant.core import HomeAssistant, callback
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
 
-from . import AirVisualProConfigEntry, AirVisualProEntity
+from . import AirVisualProConfigEntry
+from .entity import AirVisualProEntity
 
 
 @dataclass(frozen=True, kw_only=True)
diff --git a/tests/components/airvisual/test_init.py b/tests/components/airvisual/test_init.py
index 7fa9f4ca779..19dab3de210 100644
--- a/tests/components/airvisual/test_init.py
+++ b/tests/components/airvisual/test_init.py
@@ -11,7 +11,9 @@ from homeassistant.components.airvisual import (
     INTEGRATION_TYPE_GEOGRAPHY_NAME,
     INTEGRATION_TYPE_NODE_PRO,
 )
-from homeassistant.components.airvisual_pro import DOMAIN as AIRVISUAL_PRO_DOMAIN
+
+# pylint: disable-next=hass-component-root-import
+from homeassistant.components.airvisual_pro.const import DOMAIN as AIRVISUAL_PRO_DOMAIN
 from homeassistant.const import (
     CONF_API_KEY,
     CONF_COUNTRY,