diff --git a/homeassistant/components/fjaraskupan/binary_sensor.py b/homeassistant/components/fjaraskupan/binary_sensor.py
index 9af93eaf9c0..9f24a3d39d2 100644
--- a/homeassistant/components/fjaraskupan/binary_sensor.py
+++ b/homeassistant/components/fjaraskupan/binary_sensor.py
@@ -7,7 +7,7 @@ from dataclasses import dataclass
 from fjaraskupan import Device, State
 
 from homeassistant.components.binary_sensor import (
-    DEVICE_CLASS_PROBLEM,
+    BinarySensorDeviceClass,
     BinarySensorEntity,
     BinarySensorEntityDescription,
 )
@@ -34,13 +34,13 @@ SENSORS = (
     EntityDescription(
         key="grease-filter",
         name="Grease Filter",
-        device_class=DEVICE_CLASS_PROBLEM,
+        device_class=BinarySensorDeviceClass.PROBLEM,
         is_on=lambda state: state.grease_filter_full,
     ),
     EntityDescription(
         key="carbon-filter",
         name="Carbon Filter",
-        device_class=DEVICE_CLASS_PROBLEM,
+        device_class=BinarySensorDeviceClass.PROBLEM,
         is_on=lambda state: state.carbon_filter_full,
     ),
 )
diff --git a/homeassistant/components/fjaraskupan/number.py b/homeassistant/components/fjaraskupan/number.py
index 66f719abd6f..eecb0b3b8e1 100644
--- a/homeassistant/components/fjaraskupan/number.py
+++ b/homeassistant/components/fjaraskupan/number.py
@@ -5,9 +5,9 @@ from fjaraskupan import Device, State
 
 from homeassistant.components.number import NumberEntity
 from homeassistant.config_entries import ConfigEntry
-from homeassistant.const import ENTITY_CATEGORY_CONFIG, TIME_MINUTES
+from homeassistant.const import TIME_MINUTES
 from homeassistant.core import HomeAssistant
-from homeassistant.helpers.entity import DeviceInfo, Entity
+from homeassistant.helpers.entity import DeviceInfo, Entity, EntityCategory
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
 from homeassistant.helpers.update_coordinator import (
     CoordinatorEntity,
@@ -40,7 +40,7 @@ class PeriodicVentingTime(CoordinatorEntity[State], NumberEntity):
     _attr_max_value: float = 59
     _attr_min_value: float = 0
     _attr_step: float = 1
-    _attr_entity_category = ENTITY_CATEGORY_CONFIG
+    _attr_entity_category = EntityCategory.CONFIG
     _attr_unit_of_measurement = TIME_MINUTES
 
     def __init__(
diff --git a/homeassistant/components/fjaraskupan/sensor.py b/homeassistant/components/fjaraskupan/sensor.py
index 1821008a1d7..8c19b3e3cec 100644
--- a/homeassistant/components/fjaraskupan/sensor.py
+++ b/homeassistant/components/fjaraskupan/sensor.py
@@ -4,17 +4,14 @@ from __future__ import annotations
 from fjaraskupan import Device, State
 
 from homeassistant.components.sensor import (
-    DEVICE_CLASS_SIGNAL_STRENGTH,
-    STATE_CLASS_MEASUREMENT,
+    SensorDeviceClass,
     SensorEntity,
+    SensorStateClass,
 )
 from homeassistant.config_entries import ConfigEntry
-from homeassistant.const import (
-    ENTITY_CATEGORY_DIAGNOSTIC,
-    SIGNAL_STRENGTH_DECIBELS_MILLIWATT,
-)
+from homeassistant.const import SIGNAL_STRENGTH_DECIBELS_MILLIWATT
 from homeassistant.core import HomeAssistant
-from homeassistant.helpers.entity import DeviceInfo, Entity
+from homeassistant.helpers.entity import DeviceInfo, Entity, EntityCategory
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
 from homeassistant.helpers.typing import StateType
 from homeassistant.helpers.update_coordinator import (
@@ -56,11 +53,11 @@ class RssiSensor(CoordinatorEntity[State], SensorEntity):
         self._attr_unique_id = f"{device.address}-signal-strength"
         self._attr_device_info = device_info
         self._attr_name = f"{device_info['name']} Signal Strength"
-        self._attr_device_class = DEVICE_CLASS_SIGNAL_STRENGTH
-        self._attr_state_class = STATE_CLASS_MEASUREMENT
+        self._attr_device_class = SensorDeviceClass.SIGNAL_STRENGTH
+        self._attr_state_class = SensorStateClass.MEASUREMENT
         self._attr_native_unit_of_measurement = SIGNAL_STRENGTH_DECIBELS_MILLIWATT
         self._attr_entity_registry_enabled_default = False
-        self._attr_entity_category = ENTITY_CATEGORY_DIAGNOSTIC
+        self._attr_entity_category = EntityCategory.DIAGNOSTIC
 
     @property
     def native_value(self) -> StateType: