diff --git a/blebox_uniapi/cover.py b/blebox_uniapi/cover.py
index 794a328..553001c 100644
--- a/blebox_uniapi/cover.py
+++ b/blebox_uniapi/cover.py
@@ -118,6 +118,11 @@ def read_cover_type(
     def min_position(self) -> int:
         return 0
 
+    @property
+    def is_position_inverted(self) -> bool:
+        # shutterBox/gateController: % closed (0=open, 100=closed), inverted vs HA convention
+        return True
+
     @property
     def is_slider(self) -> bool:
         return True
@@ -176,6 +181,11 @@ def read_cover_type(
 class GateBox(Gate):
     _control_type: Optional[GateBoxControlType]
 
+    @property
+    def is_position_inverted(self) -> bool:
+        # gateBox: (0=closed, 100=open), matches HA convention
+        return False
+
     @property
     def is_slider(self) -> bool:
         return False
@@ -189,8 +199,6 @@ def close_command(self) -> str:
         return "primary"
 
     def read_state(self, alias: str, raw_value: Any, product: "Box") -> int:
-        # Reinterpret state to match shutterBox
-        # NOTE: shutterBox is inverted (0 == closed), gateBox isn't
         current = raw_value("position")
         desired = raw_value("desired")
 
@@ -329,6 +337,10 @@ def is_slider(self) -> Any:
     def has_tilt(self) -> bool:
         return self._attributes.has_tilt
 
+    @property
+    def is_position_inverted(self) -> bool:
+        return self._attributes.is_position_inverted
+
     @property
     def has_stop(self) -> bool:
         return self._has_stop
diff --git a/tests/test_cover.py b/tests/test_cover.py
index c3c43fc..ecffcf1 100644
--- a/tests/test_cover.py
+++ b/tests/test_cover.py
@@ -242,6 +242,7 @@ async def test_init(self, aioclient_mock):
 
         assert entity.supported_features & SUPPORT_SET_POSITION
         assert entity.current_cover_position is None
+        assert entity._feature.is_position_inverted is True
 
         # TODO: tilt
         # assert entity.supported_features & SUPPORT_SET_TILT_POSITION
@@ -385,6 +386,7 @@ async def test_init(self, aioclient_mock):
 
         assert not entity.supported_features & SUPPORT_SET_POSITION
         assert entity.current_cover_position is None
+        assert entity._feature.is_position_inverted is False
         self.assert_state(entity, None)
 
     async def test_device_info(self, aioclient_mock):
@@ -561,6 +563,7 @@ async def test_init(self, aioclient_mock):
         assert entity.supported_features & SUPPORT_OPEN
         assert entity.supported_features & SUPPORT_CLOSE
         assert entity.current_cover_position is None
+        assert entity._feature.is_position_inverted is False
         self.assert_state(entity, None)
 
     async def test_device_info(self, aioclient_mock):
@@ -693,6 +696,7 @@ async def test_init(self, aioclient_mock):
 
         assert entity.supported_features & SUPPORT_SET_POSITION
         assert entity.current_cover_position is None
+        assert entity._feature.is_position_inverted is True
         self.assert_state(entity, None)
 
     async def test_device_info(self, aioclient_mock):