diff --git a/homeassistant/components/trane/climate.py b/homeassistant/components/trane/climate.py
index 33704f70f5f..b076236a44c 100644
--- a/homeassistant/components/trane/climate.py
+++ b/homeassistant/components/trane/climate.py
@@ -191,8 +191,8 @@ class TraneClimateEntity(TraneZoneEntity, ClimateEntity):
 
         self._conn.set_temperature_setpoint(
             self._zone_id,
-            heat_setpoint=str(int(heat_temp)) if heat_temp is not None else None,
-            cool_setpoint=str(int(cool_temp)) if cool_temp is not None else None,
+            heat_setpoint=str(round(heat_temp)) if heat_temp is not None else None,
+            cool_setpoint=str(round(cool_temp)) if cool_temp is not None else None,
         )
 
     async def async_set_fan_mode(self, fan_mode: str) -> None:
diff --git a/tests/components/trane/test_climate.py b/tests/components/trane/test_climate.py
index 48125481930..0f296ecd684 100644
--- a/tests/components/trane/test_climate.py
+++ b/tests/components/trane/test_climate.py
@@ -94,7 +94,7 @@ async def test_current_humidity_not_available(
     mock_config_entry: MockConfigEntry,
     mock_connection: MagicMock,
 ) -> None:
-    """Test current humidity is None when not yet received."""
+    """Test current humidity is omitted when not yet received."""
     mock_connection.state.relative_humidity = ""
 
     mock_config_entry.add_to_hass(hass)