diff --git a/homeassistant/components/homekit_controller/entity.py b/homeassistant/components/homekit_controller/entity.py
index d1f48a67e7f..ceb1505518b 100644
--- a/homeassistant/components/homekit_controller/entity.py
+++ b/homeassistant/components/homekit_controller/entity.py
@@ -27,6 +27,7 @@ class HomeKitEntity(Entity):
     pollable_characteristics: list[tuple[int, int]]
     watchable_characteristics: list[tuple[int, int]]
     all_characteristics: set[tuple[int, int]]
+    all_iids: set[int]
     accessory_info: Service
 
     def __init__(self, accessory: HKDevice, devinfo: ConfigType) -> None:
@@ -149,6 +150,7 @@ class HomeKitEntity(Entity):
         self.pollable_characteristics = []
         self.watchable_characteristics = []
         self.all_characteristics = set()
+        self.all_iids = set()
 
         char_types = self.get_characteristic_types()
 
@@ -164,6 +166,7 @@ class HomeKitEntity(Entity):
 
         self.all_characteristics.update(self.pollable_characteristics)
         self.all_characteristics.update(self.watchable_characteristics)
+        self.all_iids = {iid for _, iid in self.all_characteristics}
 
     def _setup_characteristic(self, char: Characteristic) -> None:
         """Configure an entity based on a HomeKit characteristics metadata."""
@@ -219,11 +222,11 @@ class HomeKitEntity(Entity):
     @property
     def available(self) -> bool:
         """Return True if entity is available."""
-        return self._accessory.available and all(
-            c.available
-            for c in self.service.characteristics
-            if (self._aid, c.iid) in self.all_characteristics
-        )
+        all_iids = self.all_iids
+        for char in self.service.characteristics:
+            if char.iid in all_iids and not char.available:
+                return False
+        return self._accessory.available
 
     @property
     def device_info(self) -> DeviceInfo: