diff --git a/homeassistant/components/xiaomi_miio/sensor.py b/homeassistant/components/xiaomi_miio/sensor.py
index 6a84874e2e6..c94e0e371fb 100644
--- a/homeassistant/components/xiaomi_miio/sensor.py
+++ b/homeassistant/components/xiaomi_miio/sensor.py
@@ -235,6 +235,7 @@ SENSOR_TYPES = {
         name="Use time",
         native_unit_of_measurement=TIME_SECONDS,
         icon="mdi:progress-clock",
+        device_class=SensorDeviceClass.DURATION,
         state_class=SensorStateClass.TOTAL_INCREASING,
         entity_registry_enabled_default=False,
         entity_category=EntityCategory.DIAGNOSTIC,
@@ -294,6 +295,7 @@ SENSOR_TYPES = {
         name="Filter use",
         native_unit_of_measurement=TIME_HOURS,
         icon="mdi:clock-outline",
+        device_class=SensorDeviceClass.DURATION,
         state_class=SensorStateClass.MEASUREMENT,
         entity_category=EntityCategory.DIAGNOSTIC,
     ),
@@ -302,6 +304,7 @@ SENSOR_TYPES = {
         name="Filter time left",
         native_unit_of_measurement=TIME_DAYS,
         icon="mdi:clock-outline",
+        device_class=SensorDeviceClass.DURATION,
         state_class=SensorStateClass.MEASUREMENT,
         entity_category=EntityCategory.DIAGNOSTIC,
     ),
@@ -319,6 +322,7 @@ SENSOR_TYPES = {
         name="Dust filter life remaining days",
         native_unit_of_measurement=TIME_DAYS,
         icon="mdi:clock-outline",
+        device_class=SensorDeviceClass.DURATION,
         state_class=SensorStateClass.MEASUREMENT,
         entity_category=EntityCategory.DIAGNOSTIC,
     ),
@@ -336,6 +340,7 @@ SENSOR_TYPES = {
         name="Upper filter life remaining days",
         native_unit_of_measurement=TIME_DAYS,
         icon="mdi:clock-outline",
+        device_class=SensorDeviceClass.DURATION,
         state_class=SensorStateClass.MEASUREMENT,
         entity_category=EntityCategory.DIAGNOSTIC,
     ),
@@ -572,6 +577,7 @@ VACUUM_SENSORS = {
     f"last_clean_{ATTR_LAST_CLEAN_TIME}": XiaomiMiioSensorDescription(
         native_unit_of_measurement=TIME_SECONDS,
         icon="mdi:timer-sand",
+        device_class=SensorDeviceClass.DURATION,
         key=ATTR_LAST_CLEAN_TIME,
         parent_key=VacuumCoordinatorDataAttributes.last_clean_details,
         name="Last clean duration",
@@ -588,6 +594,7 @@ VACUUM_SENSORS = {
     f"current_{ATTR_STATUS_CLEAN_TIME}": XiaomiMiioSensorDescription(
         native_unit_of_measurement=TIME_SECONDS,
         icon="mdi:timer-sand",
+        device_class=SensorDeviceClass.DURATION,
         key=ATTR_STATUS_CLEAN_TIME,
         parent_key=VacuumCoordinatorDataAttributes.status,
         name="Current clean duration",
@@ -603,6 +610,7 @@ VACUUM_SENSORS = {
     ),
     f"clean_history_{ATTR_CLEAN_HISTORY_TOTAL_DURATION}": XiaomiMiioSensorDescription(
         native_unit_of_measurement=TIME_SECONDS,
+        device_class=SensorDeviceClass.DURATION,
         icon="mdi:timer-sand",
         key=ATTR_CLEAN_HISTORY_TOTAL_DURATION,
         parent_key=VacuumCoordinatorDataAttributes.clean_history_status,
@@ -642,6 +650,7 @@ VACUUM_SENSORS = {
     f"consumable_{ATTR_CONSUMABLE_STATUS_MAIN_BRUSH_LEFT}": XiaomiMiioSensorDescription(
         native_unit_of_measurement=TIME_SECONDS,
         icon="mdi:brush",
+        device_class=SensorDeviceClass.DURATION,
         key=ATTR_CONSUMABLE_STATUS_MAIN_BRUSH_LEFT,
         parent_key=VacuumCoordinatorDataAttributes.consumable_status,
         name="Main brush left",
@@ -650,6 +659,7 @@ VACUUM_SENSORS = {
     f"consumable_{ATTR_CONSUMABLE_STATUS_SIDE_BRUSH_LEFT}": XiaomiMiioSensorDescription(
         native_unit_of_measurement=TIME_SECONDS,
         icon="mdi:brush",
+        device_class=SensorDeviceClass.DURATION,
         key=ATTR_CONSUMABLE_STATUS_SIDE_BRUSH_LEFT,
         parent_key=VacuumCoordinatorDataAttributes.consumable_status,
         name="Side brush left",
@@ -658,6 +668,7 @@ VACUUM_SENSORS = {
     f"consumable_{ATTR_CONSUMABLE_STATUS_FILTER_LEFT}": XiaomiMiioSensorDescription(
         native_unit_of_measurement=TIME_SECONDS,
         icon="mdi:air-filter",
+        device_class=SensorDeviceClass.DURATION,
         key=ATTR_CONSUMABLE_STATUS_FILTER_LEFT,
         parent_key=VacuumCoordinatorDataAttributes.consumable_status,
         name="Filter left",
@@ -666,6 +677,7 @@ VACUUM_SENSORS = {
     f"consumable_{ATTR_CONSUMABLE_STATUS_SENSOR_DIRTY_LEFT}": XiaomiMiioSensorDescription(
         native_unit_of_measurement=TIME_SECONDS,
         icon="mdi:eye-outline",
+        device_class=SensorDeviceClass.DURATION,
         key=ATTR_CONSUMABLE_STATUS_SENSOR_DIRTY_LEFT,
         parent_key=VacuumCoordinatorDataAttributes.consumable_status,
         name="Sensor dirty left",