diff --git a/homeassistant/components/glances/sensor.py b/homeassistant/components/glances/sensor.py
index 8b836fba3ea..4d2546dac58 100644
--- a/homeassistant/components/glances/sensor.py
+++ b/homeassistant/components/glances/sensor.py
@@ -328,6 +328,18 @@ class GlancesSensor(CoordinatorEntity[GlancesDataUpdateCoordinator], SensorEntit
         )
         self._attr_unique_id = f"{coordinator.config_entry.entry_id}-{sensor_name_prefix}-{description.key}"
 
+    @property
+    def available(self) -> bool:
+        """Set sensor unavailable when native value is invalid."""
+        if super().available:
+            return (
+                not self._numeric_state_expected
+                or isinstance(self.native_value, (int, float))
+                or isinstance(self.native_value, str)
+                and self.native_value.isnumeric()
+            )
+        return False
+
     @property
     def native_value(self) -> StateType:
         """Return the state of the resources."""
diff --git a/tests/components/glances/__init__.py b/tests/components/glances/__init__.py
index 8c9394ae84f..064c5ab0eb5 100644
--- a/tests/components/glances/__init__.py
+++ b/tests/components/glances/__init__.py
@@ -109,7 +109,25 @@ MOCK_DATA = {
             "unit": "C",
             "type": "temperature_core",
             "key": "label",
-        }
+        },
+        {
+            "label": "err_temp",
+            "value": "ERR",
+            "warning": None,
+            "critical": None,
+            "unit": "C",
+            "type": "temperature_hdd",
+            "key": "label",
+        },
+        {
+            "label": "na_temp",
+            "value": "NA",
+            "warning": None,
+            "critical": None,
+            "unit": "C",
+            "type": "temperature_hdd",
+            "key": "label",
+        },
     ],
     "system": {
         "os_name": "Linux",
@@ -127,7 +145,11 @@ HA_SENSOR_DATA: dict[str, Any] = {
         "/ssl": {"disk_use": 30.7, "disk_use_percent": 6.7, "disk_free": 426.5},
         "/media": {"disk_use": 30.7, "disk_use_percent": 6.7, "disk_free": 426.5},
     },
-    "sensors": {"cpu_thermal 1": {"temperature_core": 59}},
+    "sensors": {
+        "cpu_thermal 1": {"temperature_core": 59},
+        "err_temp": {"temperature_hdd": "Unavailable"},
+        "na_temp": {"temperature_hdd": "Unavailable"},
+    },
     "mem": {
         "memory_use_percent": 27.6,
         "memory_use": 1047.1,
diff --git a/tests/components/glances/test_sensor.py b/tests/components/glances/test_sensor.py
index 9164dbadb14..2366e10d11b 100644
--- a/tests/components/glances/test_sensor.py
+++ b/tests/components/glances/test_sensor.py
@@ -21,9 +21,20 @@ async def test_sensor_states(hass: HomeAssistant) -> None:
 
     if state := hass.states.get("sensor.0_0_0_0_ssl_disk_use"):
         assert state.state == HA_SENSOR_DATA["fs"]["/ssl"]["disk_use"]
-
     if state := hass.states.get("sensor.0_0_0_0_cpu_thermal_1"):
         assert state.state == HA_SENSOR_DATA["sensors"]["cpu_thermal 1"]
+    if state := hass.states.get("sensor.0_0_0_0_err_temp"):
+        assert state.state == HA_SENSOR_DATA["sensors"]["err_temp"]
+    if state := hass.states.get("sensor.0_0_0_0_na_temp"):
+        assert state.state == HA_SENSOR_DATA["sensors"]["na_temp"]
+    if state := hass.states.get("sensor.0_0_0_0_memory_use_percent"):
+        assert state.state == HA_SENSOR_DATA["mem"]["memory_use_percent"]
+    if state := hass.states.get("sensor.0_0_0_0_docker_active"):
+        assert state.state == HA_SENSOR_DATA["docker"]["docker_active"]
+    if state := hass.states.get("sensor.0_0_0_0_docker_cpu_use"):
+        assert state.state == HA_SENSOR_DATA["docker"]["docker_cpu_use"]
+    if state := hass.states.get("sensor.0_0_0_0_docker_memory_use"):
+        assert state.state == HA_SENSOR_DATA["docker"]["docker_memory_use"]
 
 
 @pytest.mark.parametrize(