diff --git a/homeassistant/components/knx/climate.py b/homeassistant/components/knx/climate.py
index 70d78ce8fe7..8bdbc8d41e1 100644
--- a/homeassistant/components/knx/climate.py
+++ b/homeassistant/components/knx/climate.py
@@ -299,8 +299,8 @@ def _create_climate_ui(xknx: XKNX, conf: ConfigExtractor, name: str) -> XknxClim
         group_address_active_state=conf.get_state_and_passive(CONF_GA_ACTIVE),
         group_address_command_value_state=conf.get_state_and_passive(CONF_GA_VALVE),
         sync_state=sync_state,
-        min_temp=conf.get(ClimateConf.MIN_TEMP),
-        max_temp=conf.get(ClimateConf.MAX_TEMP),
+        min_temp=conf.get(CONF_TARGET_TEMPERATURE, ClimateConf.MIN_TEMP),
+        max_temp=conf.get(CONF_TARGET_TEMPERATURE, ClimateConf.MAX_TEMP),
         mode=climate_mode,
         group_address_fan_speed=conf.get_write(CONF_GA_FAN_SPEED),
         group_address_fan_speed_state=conf.get_state_and_passive(CONF_GA_FAN_SPEED),
@@ -486,7 +486,7 @@ class _KnxClimate(ClimateEntity, _KnxEntityBase):
                 ha_controller_modes.append(self._last_hvac_mode)
             ha_controller_modes.append(HVACMode.OFF)
 
-        hvac_modes = list(set(filter(None, ha_controller_modes)))
+        hvac_modes = sorted(set(filter(None, ha_controller_modes)))
         return (
             hvac_modes
             if hvac_modes
diff --git a/tests/components/knx/test_climate.py b/tests/components/knx/test_climate.py
index a825f8c402a..68f0cc8384e 100644
--- a/tests/components/knx/test_climate.py
+++ b/tests/components/knx/test_climate.py
@@ -1016,8 +1016,28 @@ async def test_climate_ui_load(knx: KNXTestKit) -> None:
     knx.assert_state(
         "climate.direct_indi_op_heat_cool",
         HVACMode.HEAT,
+        current_temperature=20.0,
+        command_value=None,
+        min_temp=10.0,
+        max_temp=24.0,
+        target_temp_step=0.1,
+        preset_modes=["comfort", "standby", "economy", "building_protection"],
+        preset_mode="comfort",
+        hvac_modes=["cool", "heat", "off"],
+        hvac_action="heating",
+        supported_features=401,
     )
     knx.assert_state(
         "climate.sps_op_mode_contr_mode",
         HVACMode.COOL,
+        current_temperature=20.0,
+        command_value=13,
+        min_temp=14.0,
+        max_temp=30.0,
+        target_temp_step=0.5,
+        preset_modes=["comfort", "standby", "economy", "building_protection"],
+        preset_mode="comfort",
+        hvac_modes=["auto", "cool", "dry", "fan_only", "heat", "off"],
+        hvac_action="cooling",
+        supported_features=953,
     )