diff --git a/homeassistant/components/blebox/__init__.py b/homeassistant/components/blebox/__init__.py
index e99be780563..1196deb27b7 100644
--- a/homeassistant/components/blebox/__init__.py
+++ b/homeassistant/components/blebox/__init__.py
@@ -17,7 +17,7 @@ from .const import DEFAULT_SETUP_TIMEOUT, DOMAIN, PRODUCT
 
 _LOGGER = logging.getLogger(__name__)
 
-PLATFORMS = ["cover"]
+PLATFORMS = ["cover", "sensor"]
 
 PARALLEL_UPDATES = 0
 
diff --git a/homeassistant/components/blebox/const.py b/homeassistant/components/blebox/const.py
index a53ec39fd47..71d2193f904 100644
--- a/homeassistant/components/blebox/const.py
+++ b/homeassistant/components/blebox/const.py
@@ -9,6 +9,7 @@ from homeassistant.components.cover import (
     STATE_OPEN,
     STATE_OPENING,
 )
+from homeassistant.const import DEVICE_CLASS_TEMPERATURE, TEMP_CELSIUS
 
 DOMAIN = "blebox"
 PRODUCT = "product"
@@ -41,5 +42,8 @@ BLEBOX_TO_HASS_COVER_STATES = {
     8: STATE_OPEN,  # safety stop
 }
 
+BLEBOX_TO_UNIT_MAP = {"celsius": TEMP_CELSIUS}
+BLEBOX_DEV_CLASS_MAP = {"temperature": DEVICE_CLASS_TEMPERATURE}
+
 DEFAULT_HOST = "192.168.0.2"
 DEFAULT_PORT = 80
diff --git a/homeassistant/components/blebox/sensor.py b/homeassistant/components/blebox/sensor.py
new file mode 100644
index 00000000000..b43b4f21da5
--- /dev/null
+++ b/homeassistant/components/blebox/sensor.py
@@ -0,0 +1,33 @@
+"""BleBox sensor entities."""
+
+from homeassistant.helpers.entity import Entity
+
+from . import BleBoxEntity, create_blebox_entities
+from .const import BLEBOX_DEV_CLASS_MAP, BLEBOX_TO_UNIT_MAP, DOMAIN, PRODUCT
+
+
+async def async_setup_entry(hass, config_entry, async_add):
+    """Set up a BleBox entry."""
+
+    product = hass.data[DOMAIN][config_entry.entry_id][PRODUCT]
+    create_blebox_entities(product, async_add, BleBoxSensorEntity, "sensors")
+    return True
+
+
+class BleBoxSensorEntity(BleBoxEntity, Entity):
+    """Representation of a BleBox sensor feature."""
+
+    @property
+    def state(self):
+        """Return the state."""
+        return self._feature.current
+
+    @property
+    def unit_of_measurement(self):
+        """Return the unit."""
+        return BLEBOX_TO_UNIT_MAP[self._feature.unit]
+
+    @property
+    def device_class(self):
+        """Return the device class."""
+        return BLEBOX_DEV_CLASS_MAP[self._feature.device_class]
diff --git a/tests/components/blebox/test_sensor.py b/tests/components/blebox/test_sensor.py
new file mode 100644
index 00000000000..a19e628181c
--- /dev/null
+++ b/tests/components/blebox/test_sensor.py
@@ -0,0 +1,88 @@
+"""Blebox sensors tests."""
+
+import logging
+
+import blebox_uniapi
+import pytest
+
+from homeassistant.const import (
+    ATTR_DEVICE_CLASS,
+    ATTR_UNIT_OF_MEASUREMENT,
+    DEVICE_CLASS_TEMPERATURE,
+    STATE_UNKNOWN,
+    TEMP_CELSIUS,
+)
+
+from .conftest import async_setup_entity, mock_feature
+
+from tests.async_mock import AsyncMock, PropertyMock
+
+
+@pytest.fixture(name="tempsensor")
+def tempsensor_fixture():
+    """Return a default sensor mock."""
+    feature = mock_feature(
+        "sensors",
+        blebox_uniapi.sensor.Temperature,
+        unique_id="BleBox-tempSensor-1afe34db9437-0.temperature",
+        full_name="tempSensor-0.temperature",
+        device_class="temperature",
+        unit="celsius",
+        current=None,
+    )
+    product = feature.product
+    type(product).name = PropertyMock(return_value="My temperature sensor")
+    type(product).model = PropertyMock(return_value="tempSensor")
+    return (feature, "sensor.tempsensor_0_temperature")
+
+
+async def test_init(tempsensor, hass, config):
+    """Test sensor default state."""
+
+    _, entity_id = tempsensor
+    entry = await async_setup_entity(hass, config, entity_id)
+    assert entry.unique_id == "BleBox-tempSensor-1afe34db9437-0.temperature"
+
+    state = hass.states.get(entity_id)
+    assert state.name == "tempSensor-0.temperature"
+
+    assert state.attributes[ATTR_DEVICE_CLASS] == DEVICE_CLASS_TEMPERATURE
+    assert state.attributes[ATTR_UNIT_OF_MEASUREMENT] == TEMP_CELSIUS
+    assert state.state == STATE_UNKNOWN
+
+    device_registry = await hass.helpers.device_registry.async_get_registry()
+    device = device_registry.async_get(entry.device_id)
+
+    assert device.name == "My temperature sensor"
+    assert device.identifiers == {("blebox", "abcd0123ef5678")}
+    assert device.manufacturer == "BleBox"
+    assert device.model == "tempSensor"
+    assert device.sw_version == "1.23"
+
+
+async def test_update(tempsensor, hass, config):
+    """Test sensor update."""
+
+    feature_mock, entity_id = tempsensor
+
+    def initial_update():
+        feature_mock.current = 25.18
+
+    feature_mock.async_update = AsyncMock(side_effect=initial_update)
+    await async_setup_entity(hass, config, entity_id)
+
+    state = hass.states.get(entity_id)
+    assert state.attributes[ATTR_UNIT_OF_MEASUREMENT] == TEMP_CELSIUS
+    assert state.state == "25.18"
+
+
+async def test_update_failure(tempsensor, hass, config, caplog):
+    """Test that update failures are logged."""
+
+    caplog.set_level(logging.ERROR)
+
+    feature_mock, entity_id = tempsensor
+    feature_mock.async_update = AsyncMock(side_effect=blebox_uniapi.error.ClientError)
+    await async_setup_entity(hass, config, entity_id)
+
+    assert f"Updating '{feature_mock.full_name}' failed: " in caplog.text