diff --git a/homeassistant/components/senz/__init__.py b/homeassistant/components/senz/__init__.py
index c3238f7355f..4d54584bebd 100644
--- a/homeassistant/components/senz/__init__.py
+++ b/homeassistant/components/senz/__init__.py
@@ -28,7 +28,7 @@ _LOGGER = logging.getLogger(__name__)
 
 CONFIG_SCHEMA = cv.config_entry_only_config_schema(DOMAIN)
 
-PLATFORMS = [Platform.CLIMATE]
+PLATFORMS = [Platform.CLIMATE, Platform.SENSOR]
 
 type SENZDataUpdateCoordinator = DataUpdateCoordinator[dict[str, Thermostat]]
 
diff --git a/homeassistant/components/senz/climate.py b/homeassistant/components/senz/climate.py
index 48eeee54974..f303f4b147c 100644
--- a/homeassistant/components/senz/climate.py
+++ b/homeassistant/components/senz/climate.py
@@ -35,7 +35,7 @@ async def async_setup_entry(
     )
 
 
-class SENZClimate(CoordinatorEntity, ClimateEntity):
+class SENZClimate(CoordinatorEntity[SENZDataUpdateCoordinator], ClimateEntity):
     """Representation of a SENZ climate entity."""
 
     _attr_temperature_unit = UnitOfTemperature.CELSIUS
diff --git a/homeassistant/components/senz/sensor.py b/homeassistant/components/senz/sensor.py
new file mode 100644
index 00000000000..430c959b047
--- /dev/null
+++ b/homeassistant/components/senz/sensor.py
@@ -0,0 +1,93 @@
+"""nVent RAYCHEM SENZ sensor platform."""
+
+from __future__ import annotations
+
+from collections.abc import Callable
+from dataclasses import dataclass
+
+from aiosenz import Thermostat
+
+from homeassistant.components.sensor import (
+    SensorDeviceClass,
+    SensorEntity,
+    SensorEntityDescription,
+    SensorStateClass,
+)
+from homeassistant.config_entries import ConfigEntry
+from homeassistant.const import UnitOfTemperature
+from homeassistant.core import HomeAssistant
+from homeassistant.helpers.device_registry import DeviceInfo
+from homeassistant.helpers.entity_platform import AddConfigEntryEntitiesCallback
+from homeassistant.helpers.update_coordinator import CoordinatorEntity
+
+from . import SENZDataUpdateCoordinator
+from .const import DOMAIN
+
+
+@dataclass(kw_only=True, frozen=True)
+class SenzSensorDescription(SensorEntityDescription):
+    """Describes SENZ sensor entity."""
+
+    value_fn: Callable[[Thermostat], str | int | float | None]
+
+
+SENSORS: tuple[SenzSensorDescription, ...] = (
+    SenzSensorDescription(
+        key="temperature",
+        device_class=SensorDeviceClass.TEMPERATURE,
+        value_fn=lambda data: data.current_temperatue,
+        native_unit_of_measurement=UnitOfTemperature.CELSIUS,
+        state_class=SensorStateClass.MEASUREMENT,
+        suggested_display_precision=1,
+    ),
+)
+
+
+async def async_setup_entry(
+    hass: HomeAssistant,
+    entry: ConfigEntry,
+    async_add_entities: AddConfigEntryEntitiesCallback,
+) -> None:
+    """Set up the SENZ sensor entities from a config entry."""
+    coordinator: SENZDataUpdateCoordinator = hass.data[DOMAIN][entry.entry_id]
+    async_add_entities(
+        SENZSensor(thermostat, coordinator, description)
+        for description in SENSORS
+        for thermostat in coordinator.data.values()
+    )
+
+
+class SENZSensor(CoordinatorEntity[SENZDataUpdateCoordinator], SensorEntity):
+    """Representation of a SENZ sensor entity."""
+
+    entity_description: SenzSensorDescription
+    _attr_has_entity_name = True
+
+    def __init__(
+        self,
+        thermostat: Thermostat,
+        coordinator: SENZDataUpdateCoordinator,
+        description: SenzSensorDescription,
+    ) -> None:
+        """Init SENZ sensor."""
+        super().__init__(coordinator)
+        self.entity_description = description
+        self._thermostat = thermostat
+        self._attr_unique_id = f"{thermostat.serial_number}_{description.key}"
+        self._attr_device_info = DeviceInfo(
+            identifiers={(DOMAIN, thermostat.serial_number)},
+            manufacturer="nVent Raychem",
+            model="SENZ WIFI",
+            name=thermostat.name,
+            serial_number=thermostat.serial_number,
+        )
+
+    @property
+    def available(self) -> bool:
+        """Return True if the thermostat is available."""
+        return super().available and self._thermostat.online
+
+    @property
+    def native_value(self) -> str | float | int | None:
+        """Return the state of the sensor."""
+        return self.entity_description.value_fn(self._thermostat)
diff --git a/tests/components/senz/__init__.py b/tests/components/senz/__init__.py
index 1428c18be94..66d5b71467b 100644
--- a/tests/components/senz/__init__.py
+++ b/tests/components/senz/__init__.py
@@ -1 +1,12 @@
 """Tests for the SENZ integration."""
+
+from homeassistant.core import HomeAssistant
+
+from tests.common import MockConfigEntry
+
+
+async def setup_integration(hass: HomeAssistant, entry: MockConfigEntry) -> None:
+    """Set up the Senz integration in Home Assistant."""
+    entry.add_to_hass(hass)
+    await hass.config_entries.async_setup(entry.entry_id)
+    await hass.async_block_till_done()
diff --git a/tests/components/senz/conftest.py b/tests/components/senz/conftest.py
new file mode 100644
index 00000000000..60a1bfd0c47
--- /dev/null
+++ b/tests/components/senz/conftest.py
@@ -0,0 +1,111 @@
+"""Fixtures for Senz testing."""
+
+from collections.abc import Generator
+import time
+from typing import Any
+from unittest.mock import MagicMock, patch
+
+from aiosenz import Account, Thermostat
+import pytest
+
+from homeassistant.components.application_credentials import (
+    ClientCredential,
+    async_import_client_credential,
+)
+from homeassistant.components.senz.const import DOMAIN
+from homeassistant.core import HomeAssistant
+from homeassistant.setup import async_setup_component
+
+from .const import CLIENT_ID, CLIENT_SECRET
+
+from tests.common import (
+    MockConfigEntry,
+    async_load_json_array_fixture,
+    async_load_json_object_fixture,
+)
+
+
+@pytest.fixture(scope="package")
+def load_device_file() -> str:
+    """Fixture for loading device file."""
+    return "thermostats.json"
+
+
+@pytest.fixture
+async def device_fixture(
+    hass: HomeAssistant, load_device_file: str
+) -> list[dict[str, Any]]:
+    """Fixture for device."""
+    return await async_load_json_array_fixture(hass, load_device_file, DOMAIN)
+
+
+@pytest.fixture(scope="package")
+def load_account_file() -> str:
+    """Fixture for loading account file."""
+    return "account.json"
+
+
+@pytest.fixture
+async def account_fixture(
+    hass: HomeAssistant, load_account_file: str
+) -> dict[str, Any]:
+    """Fixture for device."""
+    return await async_load_json_object_fixture(hass, load_account_file, DOMAIN)
+
+
+@pytest.fixture(name="expires_at")
+def mock_expires_at() -> float:
+    """Fixture to set the oauth token expiration time."""
+    return time.time() + 3600
+
+
+@pytest.fixture
+def mock_config_entry(hass: HomeAssistant, expires_at: float) -> MockConfigEntry:
+    """Return the default mocked config entry."""
+    config_entry = MockConfigEntry(
+        minor_version=1,
+        domain=DOMAIN,
+        title="Senz test",
+        data={
+            "auth_implementation": DOMAIN,
+            "token": {
+                "access_token": "Fake_token",
+                "expires_in": 86399,
+                "refresh_token": "3012bc9f-7a65-4240-b817-9154ffdcc30f",
+                "token_type": "Bearer",
+                "expires_at": expires_at,
+            },
+        },
+        entry_id="senz_test",
+    )
+    config_entry.add_to_hass(hass)
+    return config_entry
+
+
+@pytest.fixture
+def mock_senz_client(account_fixture, device_fixture) -> Generator[MagicMock]:
+    """Mock thermostat data."""
+    with patch("homeassistant.components.senz.SENZAPI", autospec=True) as mock_senz:
+        client = mock_senz.return_value
+
+        client.get_account.return_value = Account(account_fixture)
+        client.get_thermostats.return_value = [
+            Thermostat(device, None) for device in device_fixture
+        ]
+
+        yield client
+
+
+@pytest.fixture(autouse=True)
+async def setup_credentials(hass: HomeAssistant) -> None:
+    """Fixture to setup credentials."""
+    assert await async_setup_component(hass, "application_credentials", {})
+    await async_import_client_credential(
+        hass,
+        DOMAIN,
+        ClientCredential(
+            CLIENT_ID,
+            CLIENT_SECRET,
+        ),
+        DOMAIN,
+    )
diff --git a/tests/components/senz/const.py b/tests/components/senz/const.py
new file mode 100644
index 00000000000..19dfac6238b
--- /dev/null
+++ b/tests/components/senz/const.py
@@ -0,0 +1,4 @@
+"""Constants for the senz component tests."""
+
+CLIENT_ID = "test_client_id"
+CLIENT_SECRET = "test_client_secret"
diff --git a/tests/components/senz/fixtures/account.json b/tests/components/senz/fixtures/account.json
new file mode 100644
index 00000000000..958017665fa
--- /dev/null
+++ b/tests/components/senz/fixtures/account.json
@@ -0,0 +1,5 @@
+{
+  "userName": "test_user",
+  "temperatureScale": "celsius",
+  "language": "en"
+}
diff --git a/tests/components/senz/fixtures/thermostats.json b/tests/components/senz/fixtures/thermostats.json
new file mode 100644
index 00000000000..cd7ca94cb71
--- /dev/null
+++ b/tests/components/senz/fixtures/thermostats.json
@@ -0,0 +1,24 @@
+[
+  {
+    "serialNumber": "1001",
+    "name": "Test room 1",
+    "currentTemperature": 1845,
+    "online": true,
+    "isHeating": true,
+    "setPointTemperature": 1900,
+    "holdUntil": null,
+    "mode": 5,
+    "errorState": null
+  },
+  {
+    "serialNumber": "1002",
+    "name": "Test room 2",
+    "currentTemperature": 930,
+    "online": true,
+    "isHeating": false,
+    "setPointTemperature": 600,
+    "holdUntil": null,
+    "mode": 1,
+    "errorState": null
+  }
+]
diff --git a/tests/components/senz/snapshots/test_sensor.ambr b/tests/components/senz/snapshots/test_sensor.ambr
new file mode 100644
index 00000000000..8e35f51573c
--- /dev/null
+++ b/tests/components/senz/snapshots/test_sensor.ambr
@@ -0,0 +1,113 @@
+# serializer version: 1
+# name: test_sensor_snapshot[sensor.test_room_1_temperature-entry]
+  EntityRegistryEntrySnapshot({
+    'aliases': set({
+    }),
+    'area_id': None,
+    'capabilities': dict({
+      'state_class': <SensorStateClass.MEASUREMENT: 'measurement'>,
+    }),
+    'config_entry_id': <ANY>,
+    'config_subentry_id': <ANY>,
+    'device_class': None,
+    'device_id': <ANY>,
+    'disabled_by': None,
+    'domain': 'sensor',
+    'entity_category': None,
+    'entity_id': 'sensor.test_room_1_temperature',
+    'has_entity_name': True,
+    'hidden_by': None,
+    'icon': None,
+    'id': <ANY>,
+    'labels': set({
+    }),
+    'name': None,
+    'options': dict({
+      'sensor': dict({
+        'suggested_display_precision': 1,
+      }),
+    }),
+    'original_device_class': <SensorDeviceClass.TEMPERATURE: 'temperature'>,
+    'original_icon': None,
+    'original_name': 'Temperature',
+    'platform': 'senz',
+    'previous_unique_id': None,
+    'suggested_object_id': None,
+    'supported_features': 0,
+    'translation_key': None,
+    'unique_id': '1001_temperature',
+    'unit_of_measurement': <UnitOfTemperature.CELSIUS: '°C'>,
+  })
+# ---
+# name: test_sensor_snapshot[sensor.test_room_1_temperature-state]
+  StateSnapshot({
+    'attributes': ReadOnlyDict({
+      'device_class': 'temperature',
+      'friendly_name': 'Test room 1 Temperature',
+      'state_class': <SensorStateClass.MEASUREMENT: 'measurement'>,
+      'unit_of_measurement': <UnitOfTemperature.CELSIUS: '°C'>,
+    }),
+    'context': <ANY>,
+    'entity_id': 'sensor.test_room_1_temperature',
+    'last_changed': <ANY>,
+    'last_reported': <ANY>,
+    'last_updated': <ANY>,
+    'state': '18.45',
+  })
+# ---
+# name: test_sensor_snapshot[sensor.test_room_2_temperature-entry]
+  EntityRegistryEntrySnapshot({
+    'aliases': set({
+    }),
+    'area_id': None,
+    'capabilities': dict({
+      'state_class': <SensorStateClass.MEASUREMENT: 'measurement'>,
+    }),
+    'config_entry_id': <ANY>,
+    'config_subentry_id': <ANY>,
+    'device_class': None,
+    'device_id': <ANY>,
+    'disabled_by': None,
+    'domain': 'sensor',
+    'entity_category': None,
+    'entity_id': 'sensor.test_room_2_temperature',
+    'has_entity_name': True,
+    'hidden_by': None,
+    'icon': None,
+    'id': <ANY>,
+    'labels': set({
+    }),
+    'name': None,
+    'options': dict({
+      'sensor': dict({
+        'suggested_display_precision': 1,
+      }),
+    }),
+    'original_device_class': <SensorDeviceClass.TEMPERATURE: 'temperature'>,
+    'original_icon': None,
+    'original_name': 'Temperature',
+    'platform': 'senz',
+    'previous_unique_id': None,
+    'suggested_object_id': None,
+    'supported_features': 0,
+    'translation_key': None,
+    'unique_id': '1002_temperature',
+    'unit_of_measurement': <UnitOfTemperature.CELSIUS: '°C'>,
+  })
+# ---
+# name: test_sensor_snapshot[sensor.test_room_2_temperature-state]
+  StateSnapshot({
+    'attributes': ReadOnlyDict({
+      'device_class': 'temperature',
+      'friendly_name': 'Test room 2 Temperature',
+      'state_class': <SensorStateClass.MEASUREMENT: 'measurement'>,
+      'unit_of_measurement': <UnitOfTemperature.CELSIUS: '°C'>,
+    }),
+    'context': <ANY>,
+    'entity_id': 'sensor.test_room_2_temperature',
+    'last_changed': <ANY>,
+    'last_reported': <ANY>,
+    'last_updated': <ANY>,
+    'state': '9.3',
+  })
+# ---
diff --git a/tests/components/senz/test_config_flow.py b/tests/components/senz/test_config_flow.py
index 4faf8775a62..b9e28115c46 100644
--- a/tests/components/senz/test_config_flow.py
+++ b/tests/components/senz/test_config_flow.py
@@ -15,12 +15,11 @@ from homeassistant.core import HomeAssistant
 from homeassistant.helpers import config_entry_oauth2_flow
 from homeassistant.setup import async_setup_component
 
+from .const import CLIENT_ID, CLIENT_SECRET
+
 from tests.test_util.aiohttp import AiohttpClientMocker
 from tests.typing import ClientSessionGenerator
 
-CLIENT_ID = "1234"
-CLIENT_SECRET = "5678"
-
 
 @pytest.mark.usefixtures("current_request_with_host")
 async def test_full_flow(
diff --git a/tests/components/senz/test_init.py b/tests/components/senz/test_init.py
new file mode 100644
index 00000000000..9ca28484aa9
--- /dev/null
+++ b/tests/components/senz/test_init.py
@@ -0,0 +1,27 @@
+"""Test init of senz integration."""
+
+from unittest.mock import MagicMock
+
+from homeassistant.config_entries import ConfigEntryState
+from homeassistant.core import HomeAssistant
+
+from . import setup_integration
+
+from tests.common import MockConfigEntry
+
+
+async def test_load_unload_entry(
+    hass: HomeAssistant,
+    mock_senz_client: MagicMock,
+    mock_config_entry: MockConfigEntry,
+) -> None:
+    """Test load and unload entry."""
+    await setup_integration(hass, mock_config_entry)
+    entry = mock_config_entry
+
+    assert entry.state is ConfigEntryState.LOADED
+
+    await hass.config_entries.async_unload(entry.entry_id)
+    await hass.async_block_till_done()
+
+    assert entry.state is ConfigEntryState.NOT_LOADED
diff --git a/tests/components/senz/test_sensor.py b/tests/components/senz/test_sensor.py
new file mode 100644
index 00000000000..2a46e674ea8
--- /dev/null
+++ b/tests/components/senz/test_sensor.py
@@ -0,0 +1,29 @@
+"""Test Senz sensor platform."""
+
+from unittest.mock import MagicMock, patch
+
+from syrupy.assertion import SnapshotAssertion
+
+from homeassistant.const import Platform
+from homeassistant.core import HomeAssistant
+from homeassistant.helpers import entity_registry as er
+
+from . import setup_integration
+
+from tests.common import MockConfigEntry, snapshot_platform
+
+
+async def test_sensor_snapshot(
+    hass: HomeAssistant,
+    mock_senz_client: MagicMock,
+    mock_config_entry: MockConfigEntry,
+    snapshot: SnapshotAssertion,
+    entity_registry: er.EntityRegistry,
+) -> None:
+    """Test sensor setup for cloud connection."""
+    with patch("homeassistant.components.senz.PLATFORMS", [Platform.SENSOR]):
+        await setup_integration(hass, mock_config_entry)
+
+        await snapshot_platform(
+            hass, entity_registry, snapshot, mock_config_entry.entry_id
+        )