diff --git a/bundles/org.openhab.binding.tado/src/main/java/org/openhab/binding/tado/internal/adapter/TadoZoneStateAdapter.java b/bundles/org.openhab.binding.tado/src/main/java/org/openhab/binding/tado/internal/adapter/TadoZoneStateAdapter.java
index ed33bac2007..579d7ca4aa3 100644
--- a/bundles/org.openhab.binding.tado/src/main/java/org/openhab/binding/tado/internal/adapter/TadoZoneStateAdapter.java
+++ b/bundles/org.openhab.binding.tado/src/main/java/org/openhab/binding/tado/internal/adapter/TadoZoneStateAdapter.java
@@ -17,6 +17,7 @@ import java.math.RoundingMode;
 import java.time.OffsetDateTime;
 
 import org.eclipse.jdt.annotation.NonNullByDefault;
+import org.eclipse.jdt.annotation.Nullable;
 import org.openhab.binding.tado.internal.TadoBindingConstants.HvacMode;
 import org.openhab.binding.tado.internal.TadoBindingConstants.OperationMode;
 import org.openhab.binding.tado.internal.TadoBindingConstants.TemperatureUnit;
@@ -232,13 +233,20 @@ public class TadoZoneStateAdapter {
         return new DateTimeType(offsetDateTime.toZonedDateTime());
     }
 
-    private static State toTemperatureState(TemperatureObject temperature, TemperatureUnit temperatureUnit) {
+    private static State toTemperatureState(@Nullable TemperatureObject temperature, TemperatureUnit temperatureUnit) {
+        if (temperature == null || (temperature.getCelsius() == null && temperature.getFahrenheit() == null)) {
+            return UnDefType.UNDEF;
+        }
         return temperatureUnit == TemperatureUnit.FAHRENHEIT
                 ? new QuantityType<>(temperature.getFahrenheit(), ImperialUnits.FAHRENHEIT)
                 : new QuantityType<>(temperature.getCelsius(), SIUnits.CELSIUS);
     }
 
-    private static State toTemperatureState(TemperatureDataPoint temperature, TemperatureUnit temperatureUnit) {
+    private static State toTemperatureState(@Nullable TemperatureDataPoint temperature,
+            TemperatureUnit temperatureUnit) {
+        if (temperature == null || (temperature.getCelsius() == null && temperature.getFahrenheit() == null)) {
+            return UnDefType.UNDEF;
+        }
         return temperatureUnit == TemperatureUnit.FAHRENHEIT
                 ? new QuantityType<>(temperature.getFahrenheit(), ImperialUnits.FAHRENHEIT)
                 : new QuantityType<>(temperature.getCelsius(), SIUnits.CELSIUS);
diff --git a/bundles/org.openhab.binding.tado/src/main/java/org/openhab/binding/tado/internal/builder/AirConditioningZoneSettingsBuilder.java b/bundles/org.openhab.binding.tado/src/main/java/org/openhab/binding/tado/internal/builder/AirConditioningZoneSettingsBuilder.java
index e914c9f56d2..f8fe6a81872 100644
--- a/bundles/org.openhab.binding.tado/src/main/java/org/openhab/binding/tado/internal/builder/AirConditioningZoneSettingsBuilder.java
+++ b/bundles/org.openhab.binding.tado/src/main/java/org/openhab/binding/tado/internal/builder/AirConditioningZoneSettingsBuilder.java
@@ -76,11 +76,6 @@ public class AirConditioningZoneSettingsBuilder extends ZoneSettingsBuilder {
             targetMode = getCurrentOrDefaultAcMode(zoneStateProvider);
         }
 
-        Float temperature = this.temperature;
-        if (temperature != null) {
-            newSetting.setTemperature(temperature(temperature, temperatureUnit));
-        }
-
         Boolean swing = this.swing;
         if (swing != null) {
             newSetting.setSwing(swing.booleanValue() ? Power.ON : Power.OFF);
@@ -105,6 +100,24 @@ public class AirConditioningZoneSettingsBuilder extends ZoneSettingsBuilder {
         AcModeCapabilities targetModeCapabilities = TadoApiTypeUtils.getModeCapabilities(targetMode,
                 genericCapabilities);
 
+        Float temperature = this.temperature;
+        if (temperature != null) {
+            IntRange range = null;
+            boolean valid = false;
+            TemperatureRange caps = targetModeCapabilities.getTemperatures();
+            if (caps != null) {
+                range = temperatureUnit == TemperatureUnit.CELSIUS ? caps.getCelsius() : caps.getFahrenheit();
+                valid = (range != null) && (range.getMin() <= temperature) && (temperature <= range.getMax());
+            }
+            if (valid) {
+                newSetting.setTemperature(temperature(temperature, temperatureUnit));
+            } else {
+                logger.warn(STATE_VALUE_NOT_SUPPORTED, "Target Temperature", temperature,
+                        targetMode.getClass().getSimpleName(), targetMode,
+                        range == null ? "none" : String.format("%d..%d", range.getMin(), range.getMax()));
+            }
+        }
+
         FanLevel fanLevel = this.fanLevel;
         if (fanLevel != null) {
             ACFanLevel targetFanLevel = getFanLevel(fanLevel);