diff --git a/aioesphomeapi/model.py b/aioesphomeapi/model.py
index 110fbe9..4620df5 100644
--- a/aioesphomeapi/model.py
+++ b/aioesphomeapi/model.py
@@ -758,11 +758,6 @@ class UserService(APIModelBase):
 
 
 # ==================== BLUETOOTH ====================
-def _long_uuid(uuid: str) -> str:
-    """Convert a UUID to a long UUID."""
-    return (
-        f"0000{uuid[2:].lower()}-0000-1000-8000-00805f9b34fb" if len(uuid) < 8 else uuid
-    ).lower()
 
 
 def _join_split_uuid(value: List[int]) -> str:
@@ -770,8 +765,17 @@ def _join_split_uuid(value: List[int]) -> str:
     return str(UUID(int=((value[0] << 64) | value[1])))
 
 
-def _convert_bluetooth_le_service_uuids(value: List[str]) -> List[str]:
-    return [_long_uuid(v) for v in value]
+# value is likely a google.protobuf.pyext._message.RepeatedScalarContainer
+def _convert_bluetooth_le_service_uuids(value: Iterable[str]) -> List[str]:
+    if not value:
+        # empty list, don't convert
+        return []
+
+    # Long UUID inlined to avoid call stack inside the list comprehension
+    return [
+        f"0000{v[2:].lower()}-0000-1000-8000-00805f9b34fb" if len(v) < 8 else v.lower()
+        for v in value
+    ]
 
 
 def _convert_bluetooth_le_service_data(
@@ -780,7 +784,14 @@ def _convert_bluetooth_le_service_data(
     if isinstance(value, dict):
         return value
 
-    return {_long_uuid(v.uuid): bytes(v.data if v.data else v.legacy_data) for v in value}  # type: ignore
+    # Long UUID inlined to avoid call stack inside the dict comprehension
+    return {
+        f"0000{v.uuid[2:].lower()}-0000-1000-8000-00805f9b34fb"  # type: ignore[union-attr]
+        if len(v.uuid) < 8  # type: ignore[union-attr]
+        # v.data if v.data else v.legacy_data is backwards compatible with ESPHome devices before 2022.10.0
+        else v.uuid.lower(): bytes(v.data if v.data else v.legacy_data)  # type: ignore[union-attr]
+        for v in value
+    }
 
 
 def _convert_bluetooth_le_manufacturer_data(
@@ -788,7 +799,7 @@ def _convert_bluetooth_le_manufacturer_data(
 ) -> Dict[int, bytes]:
     if isinstance(value, dict):
         return value
-    # v.data if v.data else v.legacy_data is backwards compatable with ESPHome devices before 2022.10.0
+    # v.data if v.data else v.legacy_data is backwards compatible with ESPHome devices before 2022.10.0
     return {int(v.uuid, 16): bytes(v.data if v.data else v.legacy_data) for v in value}  # type: ignore