diff --git a/homeassistant/components/netatmo/camera.py b/homeassistant/components/netatmo/camera.py
index 380571aba70..7fa9fe02956 100644
--- a/homeassistant/components/netatmo/camera.py
+++ b/homeassistant/components/netatmo/camera.py
@@ -55,9 +55,6 @@ async def async_setup_entry(
     """Set up the Netatmo camera platform."""
     data_handler = hass.data[DOMAIN][entry.entry_id][DATA_HANDLER]
 
-    await data_handler.register_data_class(
-        CAMERA_DATA_CLASS_NAME, CAMERA_DATA_CLASS_NAME, None
-    )
     data_class = data_handler.data.get(CAMERA_DATA_CLASS_NAME)
 
     if not data_class or not data_class.raw_data:
diff --git a/homeassistant/components/netatmo/climate.py b/homeassistant/components/netatmo/climate.py
index c8b5e01e5db..623b7d0573a 100644
--- a/homeassistant/components/netatmo/climate.py
+++ b/homeassistant/components/netatmo/climate.py
@@ -124,9 +124,6 @@ async def async_setup_entry(
     """Set up the Netatmo energy platform."""
     data_handler = hass.data[DOMAIN][entry.entry_id][DATA_HANDLER]
 
-    await data_handler.register_data_class(
-        CLIMATE_TOPOLOGY_CLASS_NAME, CLIMATE_TOPOLOGY_CLASS_NAME, None
-    )
     climate_topology = data_handler.data.get(CLIMATE_TOPOLOGY_CLASS_NAME)
 
     if not climate_topology or climate_topology.raw_data == {}:
diff --git a/homeassistant/components/netatmo/data_handler.py b/homeassistant/components/netatmo/data_handler.py
index ace5934adbd..1d6345506c1 100644
--- a/homeassistant/components/netatmo/data_handler.py
+++ b/homeassistant/components/netatmo/data_handler.py
@@ -74,7 +74,7 @@ class NetatmoDataClass:
     name: str
     interval: int
     next_scan: float
-    subscriptions: list[CALLBACK_TYPE]
+    subscriptions: list[CALLBACK_TYPE | None]
 
 
 class NetatmoDataHandler:
@@ -105,6 +105,18 @@ class NetatmoDataHandler:
             )
         )
 
+        await asyncio.gather(
+            *[
+                self.register_data_class(data_class, data_class, None)
+                for data_class in (
+                    CLIMATE_TOPOLOGY_CLASS_NAME,
+                    CAMERA_DATA_CLASS_NAME,
+                    WEATHERSTATION_DATA_CLASS_NAME,
+                    HOMECOACH_DATA_CLASS_NAME,
+                )
+            ]
+        )
+
     async def async_update(self, event_time: datetime) -> None:
         """
         Update device.
@@ -172,7 +184,7 @@ class NetatmoDataHandler:
         self,
         data_class_name: str,
         data_class_entry: str,
-        update_callback: CALLBACK_TYPE,
+        update_callback: CALLBACK_TYPE | None,
         **kwargs: Any,
     ) -> None:
         """Register data class."""
diff --git a/homeassistant/components/netatmo/light.py b/homeassistant/components/netatmo/light.py
index 9d83aa02977..58b1a0d4f43 100644
--- a/homeassistant/components/netatmo/light.py
+++ b/homeassistant/components/netatmo/light.py
@@ -34,10 +34,6 @@ async def async_setup_entry(
 ) -> None:
     """Set up the Netatmo camera light platform."""
     data_handler = hass.data[DOMAIN][entry.entry_id][DATA_HANDLER]
-
-    await data_handler.register_data_class(
-        CAMERA_DATA_CLASS_NAME, CAMERA_DATA_CLASS_NAME, None
-    )
     data_class = data_handler.data.get(CAMERA_DATA_CLASS_NAME)
 
     if not data_class or data_class.raw_data == {}:
diff --git a/homeassistant/components/netatmo/select.py b/homeassistant/components/netatmo/select.py
index 6c5f3eef00a..56f33b04432 100644
--- a/homeassistant/components/netatmo/select.py
+++ b/homeassistant/components/netatmo/select.py
@@ -37,9 +37,6 @@ async def async_setup_entry(
     """Set up the Netatmo energy platform schedule selector."""
     data_handler = hass.data[DOMAIN][entry.entry_id][DATA_HANDLER]
 
-    await data_handler.register_data_class(
-        CLIMATE_TOPOLOGY_CLASS_NAME, CLIMATE_TOPOLOGY_CLASS_NAME, None
-    )
     climate_topology = data_handler.data.get(CLIMATE_TOPOLOGY_CLASS_NAME)
 
     if not climate_topology or climate_topology.raw_data == {}:
diff --git a/homeassistant/components/netatmo/sensor.py b/homeassistant/components/netatmo/sensor.py
index defcd757d0a..7c600f6b442 100644
--- a/homeassistant/components/netatmo/sensor.py
+++ b/homeassistant/components/netatmo/sensor.py
@@ -386,7 +386,6 @@ async def async_setup_entry(
         WEATHERSTATION_DATA_CLASS_NAME,
         HOMECOACH_DATA_CLASS_NAME,
     ):
-        await data_handler.register_data_class(data_class_name, data_class_name, None)
         data_class = data_handler.data.get(data_class_name)
 
         if data_class and data_class.raw_data:
diff --git a/tests/components/netatmo/test_camera.py b/tests/components/netatmo/test_camera.py
index b1cee88ee2f..2eaf713e8ee 100644
--- a/tests/components/netatmo/test_camera.py
+++ b/tests/components/netatmo/test_camera.py
@@ -364,7 +364,7 @@ async def test_camera_reconnect_webhook(hass, config_entry):
         await simulate_webhook(hass, webhook_id, response)
         await hass.async_block_till_done()
 
-        assert fake_post_hits == 5
+        assert fake_post_hits == 8
 
         calls = fake_post_hits
 
@@ -446,7 +446,7 @@ async def test_setup_component_no_devices(hass, config_entry):
         await hass.config_entries.async_setup(config_entry.entry_id)
         await hass.async_block_till_done()
 
-        assert fake_post_hits == 1
+        assert fake_post_hits == 4
 
 
 async def test_camera_image_raises_exception(hass, config_entry, requests_mock):
@@ -491,4 +491,4 @@ async def test_camera_image_raises_exception(hass, config_entry, requests_mock):
         await camera.async_get_image(hass, camera_entity_indoor)
 
     assert excinfo.value.args == ("Unable to get image",)
-    assert fake_post_hits == 6
+    assert fake_post_hits == 9
diff --git a/tests/components/netatmo/test_init.py b/tests/components/netatmo/test_init.py
index 950a45f1e4a..ffa68d75011 100644
--- a/tests/components/netatmo/test_init.py
+++ b/tests/components/netatmo/test_init.py
@@ -112,7 +112,7 @@ async def test_setup_component_with_config(hass, config_entry):
 
         await hass.async_block_till_done()
 
-        assert fake_post_hits == 3
+        assert fake_post_hits == 9
         mock_impl.assert_called_once()
         mock_webhook.assert_called_once()
 
@@ -354,7 +354,7 @@ async def test_setup_component_with_delay(hass, config_entry):
 
         await hass.async_block_till_done()
 
-        assert mock_post_request.call_count == 5
+        assert mock_post_request.call_count == 8
 
         mock_impl.assert_called_once()
         mock_webhook.assert_not_called()
diff --git a/tests/components/netatmo/test_light.py b/tests/components/netatmo/test_light.py
index d28df01becc..a0992e7ea2c 100644
--- a/tests/components/netatmo/test_light.py
+++ b/tests/components/netatmo/test_light.py
@@ -11,6 +11,8 @@ from homeassistant.const import ATTR_ENTITY_ID, CONF_WEBHOOK_ID
 
 from .common import FAKE_WEBHOOK_ACTIVATION, selected_platforms, simulate_webhook
 
+from tests.test_util.aiohttp import AiohttpClientMockResponse
+
 
 async def test_light_setup_and_services(hass, config_entry, netatmo_auth):
     """Test setup and services."""
@@ -89,7 +91,11 @@ async def test_setup_component_no_devices(hass, config_entry):
         """Fake error during requesting backend data."""
         nonlocal fake_post_hits
         fake_post_hits += 1
-        return "{}"
+        return AiohttpClientMockResponse(
+            method="POST",
+            url=kwargs["url"],
+            json={},
+        )
 
     with patch(
         "homeassistant.components.netatmo.api.AsyncConfigEntryNetatmoAuth"
@@ -115,7 +121,7 @@ async def test_setup_component_no_devices(hass, config_entry):
         )
         await hass.async_block_till_done()
 
-        assert fake_post_hits == 1
+        assert fake_post_hits == 4
 
         assert hass.config_entries.async_entries(DOMAIN)
         assert len(hass.states.async_all()) == 0