diff --git a/homeassistant/components/water_heater/condition.py b/homeassistant/components/water_heater/condition.py
index da9b8a383d96..6f2bb2d972e2 100644
--- a/homeassistant/components/water_heater/condition.py
+++ b/homeassistant/components/water_heater/condition.py
@@ -76,6 +76,13 @@ class WaterHeaterTargetTemperatureCondition(EntityNumericalConditionWithUnitBase
     _domain_specs = {DOMAIN: DomainSpec(value_source=ATTR_TEMPERATURE)}
     _unit_converter = TemperatureConverter
 
+    def _should_include(self, state: State) -> bool:
+        """Skip water heater entities that do not expose a target temperature."""
+        return (
+            super()._should_include(state)
+            and state.attributes.get(ATTR_TEMPERATURE) is not None
+        )
+
     def _get_entity_unit(self, entity_state: State) -> str | None:
         """Get the temperature unit of a water heater entity from its state."""
         # Water heater entities convert temperatures to the system unit via show_temp
diff --git a/homeassistant/components/water_heater/trigger.py b/homeassistant/components/water_heater/trigger.py
index 0a434b498b5d..72b5efb741b5 100644
--- a/homeassistant/components/water_heater/trigger.py
+++ b/homeassistant/components/water_heater/trigger.py
@@ -60,6 +60,13 @@ class _WaterHeaterTargetTemperatureTriggerMixin(
     _domain_specs = {DOMAIN: DomainSpec(value_source=ATTR_TEMPERATURE)}
     _unit_converter = TemperatureConverter
 
+    def _should_include(self, state: State) -> bool:
+        """Skip water heater entities that do not expose a target temperature."""
+        return (
+            super()._should_include(state)
+            and state.attributes.get(ATTR_TEMPERATURE) is not None
+        )
+
     def _get_entity_unit(self, state: State) -> str | None:
         """Get the temperature unit of a water heater entity from its state."""
         # Water heater entities convert temperatures to the system unit via show_temp
diff --git a/tests/components/water_heater/test_condition.py b/tests/components/water_heater/test_condition.py
index 10736d1bd464..79bce1e431d4 100644
--- a/tests/components/water_heater/test_condition.py
+++ b/tests/components/water_heater/test_condition.py
@@ -228,6 +228,7 @@ async def test_water_heater_state_condition_behavior_all(
             "eco",
             ATTR_TEMPERATURE,
             threshold_unit=UnitOfTemperature.CELSIUS,
+            attribute_required=True,
         ),
     ],
 )
@@ -267,6 +268,7 @@ async def test_water_heater_numerical_condition_behavior_any(
             "eco",
             ATTR_TEMPERATURE,
             threshold_unit=UnitOfTemperature.CELSIUS,
+            attribute_required=True,
         ),
     ],
 )
diff --git a/tests/components/water_heater/test_trigger.py b/tests/components/water_heater/test_trigger.py
index 9bf4356658e2..f0a28bbeed94 100644
--- a/tests/components/water_heater/test_trigger.py
+++ b/tests/components/water_heater/test_trigger.py
@@ -164,12 +164,14 @@ async def test_water_heater_state_trigger_behavior_any(
             STATE_ECO,
             ATTR_TEMPERATURE,
             threshold_unit=UnitOfTemperature.CELSIUS,
+            attribute_required=True,
         ),
         *parametrize_numerical_attribute_crossed_threshold_trigger_states(
             "water_heater.target_temperature_crossed_threshold",
             STATE_ECO,
             ATTR_TEMPERATURE,
             threshold_unit=UnitOfTemperature.CELSIUS,
+            attribute_required=True,
         ),
     ],
 )
@@ -270,6 +272,7 @@ async def test_water_heater_state_trigger_behavior_first(
             STATE_ECO,
             ATTR_TEMPERATURE,
             threshold_unit=UnitOfTemperature.CELSIUS,
+            attribute_required=True,
         ),
     ],
 )
@@ -370,6 +373,7 @@ async def test_water_heater_state_trigger_behavior_last(
             STATE_ECO,
             ATTR_TEMPERATURE,
             threshold_unit=UnitOfTemperature.CELSIUS,
+            attribute_required=True,
         ),
     ],
 )