diff --git a/homeassistant/helpers/entity.py b/homeassistant/helpers/entity.py
index bf30943fb58..8f344aff484 100644
--- a/homeassistant/helpers/entity.py
+++ b/homeassistant/helpers/entity.py
@@ -227,6 +227,9 @@ class EntityPlatformState(Enum):
     REMOVED = auto()
 
 
+_SENTINEL = object()
+
+
 class EntityDescription(metaclass=FrozenOrThawed, frozen_or_thawed=True):
     """A class that describes Home Assistant entities."""
 
@@ -346,6 +349,8 @@ class CachedProperties(type):
                 Also invalidates the corresponding cached_property by calling
                 delattr on it.
                 """
+                if getattr(o, private_attr_name, _SENTINEL) == val:
+                    return
                 setattr(o, private_attr_name, val)
                 try:  # noqa: SIM105  suppress is much slower
                     delattr(o, name)
diff --git a/tests/components/konnected/test_init.py b/tests/components/konnected/test_init.py
index 2dff9672f17..658f1053f93 100644
--- a/tests/components/konnected/test_init.py
+++ b/tests/components/konnected/test_init.py
@@ -706,7 +706,7 @@ async def test_state_updates_zone(
     resp = await client.post(
         "/api/konnected/device/112233445566",
         headers={"Authorization": "Bearer abcdefgh"},
-        json={"zone": "5", "temp": 32, "addr": 1},
+        json={"zone": "5", "temp": 32.0, "addr": 1},
     )
     assert resp.status == HTTPStatus.OK
     result = await resp.json()
@@ -863,7 +863,7 @@ async def test_state_updates_pin(
     resp = await client.post(
         "/api/konnected/device/112233445566",
         headers={"Authorization": "Bearer abcdefgh"},
-        json={"pin": "7", "temp": 32, "addr": 1},
+        json={"pin": "7", "temp": 32.0, "addr": 1},
     )
     assert resp.status == HTTPStatus.OK
     result = await resp.json()