diff --git a/homeassistant/components/deconz/sensor.py b/homeassistant/components/deconz/sensor.py
index e67c0129147..8b2b4896cdf 100644
--- a/homeassistant/components/deconz/sensor.py
+++ b/homeassistant/components/deconz/sensor.py
@@ -10,6 +10,7 @@ from typing import Generic, TypeVar
 from pydeconz.interfaces.sensors import SensorResources
 from pydeconz.models.event import EventType
 from pydeconz.models.sensor import SensorBase as PydeconzSensorBase
+from pydeconz.models.sensor.air_purifier import AirPurifier
 from pydeconz.models.sensor.air_quality import AirQuality
 from pydeconz.models.sensor.carbon_dioxide import CarbonDioxide
 from pydeconz.models.sensor.consumption import Consumption
@@ -47,6 +48,7 @@ from homeassistant.const import (
     UnitOfPower,
     UnitOfPressure,
     UnitOfTemperature,
+    UnitOfTime,
 )
 from homeassistant.core import HomeAssistant, callback
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
@@ -77,6 +79,7 @@ ATTR_EVENT_ID = "event_id"
 
 T = TypeVar(
     "T",
+    AirPurifier,
     AirQuality,
     CarbonDioxide,
     Consumption,
@@ -108,6 +111,19 @@ class DeconzSensorDescription(Generic[T], SensorEntityDescription):
 
 
 ENTITY_DESCRIPTIONS: tuple[DeconzSensorDescription, ...] = (
+    DeconzSensorDescription[AirPurifier](
+        key="air_purifier_filter_run_time",
+        supported_fn=lambda device: True,
+        update_key="filterruntime",
+        name_suffix="Filter time",
+        value_fn=lambda device: device.filter_run_time,
+        instance_check=AirPurifier,
+        device_class=SensorDeviceClass.DURATION,
+        entity_category=EntityCategory.DIAGNOSTIC,
+        native_unit_of_measurement=UnitOfTime.SECONDS,
+        suggested_unit_of_measurement=UnitOfTime.DAYS,
+        suggested_display_precision=1,
+    ),
     DeconzSensorDescription[AirQuality](
         key="air_quality",
         supported_fn=lambda device: device.supports_air_quality,
diff --git a/tests/components/deconz/snapshots/test_sensor.ambr b/tests/components/deconz/snapshots/test_sensor.ambr
index dd097ea1c9a..0b76366b5d1 100644
--- a/tests/components/deconz/snapshots/test_sensor.ambr
+++ b/tests/components/deconz/snapshots/test_sensor.ambr
@@ -1537,6 +1537,60 @@
     'state': '90',
   })
 # ---
+# name: test_sensors[config_entry_options0-sensor_payload21-expected21][sensor.ikea_starkvind_filter_time-entry]
+  EntityRegistryEntrySnapshot({
+    'aliases': set({
+    }),
+    'area_id': None,
+    'capabilities': None,
+    'config_entry_id': <ANY>,
+    'device_class': None,
+    'device_id': <ANY>,
+    'disabled_by': None,
+    'domain': 'sensor',
+    'entity_category': <EntityCategory.DIAGNOSTIC: 'diagnostic'>,
+    'entity_id': 'sensor.ikea_starkvind_filter_time',
+    'has_entity_name': False,
+    'hidden_by': None,
+    'icon': None,
+    'id': <ANY>,
+    'labels': set({
+    }),
+    'name': None,
+    'options': dict({
+      'sensor': dict({
+        'suggested_display_precision': 1,
+      }),
+      'sensor.private': dict({
+        'suggested_unit_of_measurement': <UnitOfTime.DAYS: 'd'>,
+      }),
+    }),
+    'original_device_class': <SensorDeviceClass.DURATION: 'duration'>,
+    'original_icon': None,
+    'original_name': 'IKEA Starkvind Filter time',
+    'platform': 'deconz',
+    'previous_unique_id': None,
+    'supported_features': 0,
+    'translation_key': None,
+    'unique_id': '0c:43:14:ff:fe:6c:20:12-01-fc7d-air_purifier_filter_run_time',
+    'unit_of_measurement': <UnitOfTime.DAYS: 'd'>,
+  })
+# ---
+# name: test_sensors[config_entry_options0-sensor_payload21-expected21][sensor.ikea_starkvind_filter_time-state]
+  StateSnapshot({
+    'attributes': ReadOnlyDict({
+      'device_class': 'duration',
+      'friendly_name': 'IKEA Starkvind Filter time',
+      'unit_of_measurement': <UnitOfTime.DAYS: 'd'>,
+    }),
+    'context': <ANY>,
+    'entity_id': 'sensor.ikea_starkvind_filter_time',
+    'last_changed': <ANY>,
+    'last_reported': <ANY>,
+    'last_updated': <ANY>,
+    'state': '0.849594907407407',
+  })
+# ---
 # name: test_sensors[config_entry_options0-sensor_payload3-expected3][sensor.airquality_1_ch2o-entry]
   EntityRegistryEntrySnapshot({
     'aliases': set({
diff --git a/tests/components/deconz/test_sensor.py b/tests/components/deconz/test_sensor.py
index e6ae85df615..958cb3b793a 100644
--- a/tests/components/deconz/test_sensor.py
+++ b/tests/components/deconz/test_sensor.py
@@ -602,6 +602,41 @@ TEST_DATA = [
             "next_state": "80",
         },
     ),
+    (  # Air purifier filter time sensor
+        {
+            "config": {
+                "filterlifetime": 259200,
+                "ledindication": True,
+                "locked": False,
+                "mode": "speed_1",
+                "on": True,
+                "reachable": True,
+            },
+            "ep": 1,
+            "etag": "de26d19d9e91b2db3ded6ee7ab6b6a4b",
+            "lastannounced": None,
+            "lastseen": "2024-08-07T18:27Z",
+            "manufacturername": "IKEA of Sweden",
+            "modelid": "STARKVIND Air purifier",
+            "name": "IKEA Starkvind",
+            "productid": "E2007",
+            "state": {
+                "deviceruntime": 73405,
+                "filterruntime": 73405,
+                "lastupdated": "2024-08-07T18:27:52.543",
+                "replacefilter": False,
+                "speed": 20,
+            },
+            "swversion": "1.1.001",
+            "type": "ZHAAirPurifier",
+            "uniqueid": "0c:43:14:ff:fe:6c:20:12-01-fc7d",
+        },
+        {
+            "entity_id": "sensor.ikea_starkvind_filter_time",
+            "websocket_event": {"state": {"filterruntime": 100000}},
+            "next_state": "1.15740740740741",
+        },
+    ),
 ]