diff --git a/homeassistant/components/humidifier/__init__.py b/homeassistant/components/humidifier/__init__.py
index 39150126b7abe579f76b37eaaf012276b9a82d42..d9c804279b2794df1565315724d9855958fbf8cd 100644
--- a/homeassistant/components/humidifier/__init__.py
+++ b/homeassistant/components/humidifier/__init__.py
@@ -3,6 +3,7 @@ from __future__ import annotations
 
 from datetime import timedelta
 from enum import StrEnum
+from functools import partial
 import logging
 from typing import Any, final
 
@@ -22,12 +23,19 @@ from homeassistant.helpers.config_validation import (  # noqa: F401
     PLATFORM_SCHEMA,
     PLATFORM_SCHEMA_BASE,
 )
+from homeassistant.helpers.deprecation import (
+    check_if_deprecated_constant,
+    dir_with_deprecated_constants,
+)
 from homeassistant.helpers.entity import ToggleEntity, ToggleEntityDescription
 from homeassistant.helpers.entity_component import EntityComponent
 from homeassistant.helpers.typing import ConfigType
 from homeassistant.loader import bind_hass
 
 from .const import (  # noqa: F401
+    _DEPRECATED_DEVICE_CLASS_DEHUMIDIFIER,
+    _DEPRECATED_DEVICE_CLASS_HUMIDIFIER,
+    _DEPRECATED_SUPPORT_MODES,
     ATTR_ACTION,
     ATTR_AVAILABLE_MODES,
     ATTR_CURRENT_HUMIDITY,
@@ -36,15 +44,12 @@ from .const import (  # noqa: F401
     ATTR_MIN_HUMIDITY,
     DEFAULT_MAX_HUMIDITY,
     DEFAULT_MIN_HUMIDITY,
-    DEVICE_CLASS_DEHUMIDIFIER,
-    DEVICE_CLASS_HUMIDIFIER,
     DOMAIN,
     MODE_AUTO,
     MODE_AWAY,
     MODE_NORMAL,
     SERVICE_SET_HUMIDITY,
     SERVICE_SET_MODE,
-    SUPPORT_MODES,
     HumidifierAction,
     HumidifierEntityFeature,
 )
@@ -70,6 +75,12 @@ DEVICE_CLASSES_SCHEMA = vol.All(vol.Lower, vol.Coerce(HumidifierDeviceClass))
 # use the HumidifierDeviceClass enum instead.
 DEVICE_CLASSES = [cls.value for cls in HumidifierDeviceClass]
 
+# As we import deprecated constants from the const module, we need to add these two functions
+# otherwise this module will be logged for using deprecated constants and not the custom component
+# Both can be removed if no deprecated constant are in this module anymore
+__getattr__ = partial(check_if_deprecated_constant, module_globals=globals())
+__dir__ = partial(dir_with_deprecated_constants, module_globals=globals())
+
 # mypy: disallow-any-generics
 
 
diff --git a/homeassistant/components/humidifier/const.py b/homeassistant/components/humidifier/const.py
index 09c0714cbebc2a72cf367d8fee271546b6b0322d..a1a219ddce764985644269e5badb409150ab6978 100644
--- a/homeassistant/components/humidifier/const.py
+++ b/homeassistant/components/humidifier/const.py
@@ -1,5 +1,13 @@
 """Provides the constants needed for component."""
 from enum import IntFlag, StrEnum
+from functools import partial
+
+from homeassistant.helpers.deprecation import (
+    DeprecatedConstant,
+    DeprecatedConstantEnum,
+    check_if_deprecated_constant,
+    dir_with_deprecated_constants,
+)
 
 MODE_NORMAL = "normal"
 MODE_ECO = "eco"
@@ -35,8 +43,12 @@ DOMAIN = "humidifier"
 
 # DEVICE_CLASS_* below are deprecated as of 2021.12
 # use the HumidifierDeviceClass enum instead.
-DEVICE_CLASS_HUMIDIFIER = "humidifier"
-DEVICE_CLASS_DEHUMIDIFIER = "dehumidifier"
+_DEPRECATED_DEVICE_CLASS_HUMIDIFIER = DeprecatedConstant(
+    "humidifier", "HumidifierDeviceClass.HUMIDIFIER", "2025.1"
+)
+_DEPRECATED_DEVICE_CLASS_DEHUMIDIFIER = DeprecatedConstant(
+    "dehumidifier", "HumidifierDeviceClass.DEHUMIDIFIER", "2025.1"
+)
 
 SERVICE_SET_MODE = "set_mode"
 SERVICE_SET_HUMIDITY = "set_humidity"
@@ -50,4 +62,10 @@ class HumidifierEntityFeature(IntFlag):
 
 # The SUPPORT_MODES constant is deprecated as of Home Assistant 2022.5.
 # Please use the HumidifierEntityFeature enum instead.
-SUPPORT_MODES = 1
+_DEPRECATED_SUPPORT_MODES = DeprecatedConstantEnum(
+    HumidifierEntityFeature.MODES, "2025.1"
+)
+
+# Both can be removed if no deprecated constant are in this module anymore
+__getattr__ = partial(check_if_deprecated_constant, module_globals=globals())
+__dir__ = partial(dir_with_deprecated_constants, module_globals=globals())
diff --git a/tests/components/humidifier/test_init.py b/tests/components/humidifier/test_init.py
index a80f3956f203a91db68a981b8b041df68cb7f1a4..da45e1f1661fd0bdad4f2dd0a29bf29f81dfc199 100644
--- a/tests/components/humidifier/test_init.py
+++ b/tests/components/humidifier/test_init.py
@@ -1,9 +1,16 @@
 """The tests for the humidifier component."""
+from enum import Enum
+from types import ModuleType
 from unittest.mock import MagicMock
 
+import pytest
+
+from homeassistant.components import humidifier
 from homeassistant.components.humidifier import HumidifierEntity
 from homeassistant.core import HomeAssistant
 
+from tests.common import import_and_test_deprecated_constant_enum
+
 
 class MockHumidifierEntity(HumidifierEntity):
     """Mock Humidifier device to use in tests."""
@@ -34,3 +41,28 @@ async def test_sync_turn_off(hass: HomeAssistant) -> None:
     await humidifier.async_turn_off()
 
     assert humidifier.turn_off.called
+
+
+def _create_tuples(enum: Enum, constant_prefix: str) -> list[tuple[Enum, str]]:
+    result = []
+    for enum in enum:
+        result.append((enum, constant_prefix))
+    return result
+
+
+@pytest.mark.parametrize(
+    ("enum", "constant_prefix"),
+    _create_tuples(humidifier.HumidifierEntityFeature, "SUPPORT_")
+    + _create_tuples(humidifier.HumidifierDeviceClass, "DEVICE_CLASS_"),
+)
+@pytest.mark.parametrize(("module"), [humidifier, humidifier.const])
+def test_deprecated_constants(
+    caplog: pytest.LogCaptureFixture,
+    enum: Enum,
+    constant_prefix: str,
+    module: ModuleType,
+) -> None:
+    """Test deprecated constants."""
+    import_and_test_deprecated_constant_enum(
+        caplog, module, enum, constant_prefix, "2025.1"
+    )