diff --git a/zhaquirks/bosch/rbsh_trv0_zb_eu.py b/zhaquirks/bosch/rbsh_trv0_zb_eu.py
new file mode 100644
index 0000000000..2c17055ba5
--- /dev/null
+++ b/zhaquirks/bosch/rbsh_trv0_zb_eu.py
@@ -0,0 +1,161 @@
+"""Device handler for Bosch RBSH-TRV0-ZB-EU thermostat."""
+
+from zigpy.profiles import zha
+import zigpy.types as t
+from zigpy.quirks import CustomDevice
+from zigpy.zcl.clusters import general, hvac, homeautomation
+
+from zigpy.zcl.clusters.general import (
+    Basic,
+    Identify,
+    Ota,
+    PollControl,
+    Groups,
+    Time,
+    PowerConfiguration,
+    ZCLAttributeDef,
+)
+from zigpy.zcl.clusters.hvac import Thermostat, UserInterface
+from zigpy.zcl.clusters.homeautomation import Diagnostic
+
+from zhaquirks import CustomCluster
+from zhaquirks.const import (
+    DEVICE_TYPE,
+    ENDPOINTS,
+    INPUT_CLUSTERS,
+    MODELS_INFO,
+    OUTPUT_CLUSTERS,
+    PROFILE_ID,
+)
+
+
+class BoschOperatingMode(t.enum8):
+    Schedule = 0x00
+    Manual = 0x01
+    Pause = 0x05
+
+
+class State(t.enum8):
+    Off = 0x00
+    On = 0x01
+
+
+class BoschDisplayOrientation(t.enum8):
+    Normal = 0x00
+    Flipped = 0x01
+
+
+class BoschDisplayedTemperature(t.enum8):
+    Target = 0x00
+    Measured = 0x01
+
+
+class BoschThermostatCluster(CustomCluster, Thermostat):
+    """Bosch thermostat cluster."""
+
+    class AttributeDefs(Thermostat.AttributeDefs):
+        operating_mode = ZCLAttributeDef(
+            id=0x4007,
+            type=BoschOperatingMode,
+            is_manufacturer_specific=True,
+        )
+
+        pi_heating_demand = ZCLAttributeDef(
+            id=0x4020,
+            # Values range from 0-100
+            type=t.enum8,
+            is_manufacturer_specific=True,
+        )
+
+        window_open = ZCLAttributeDef(
+            id=0x4042,
+            type=State,
+            is_manufacturer_specific=True,
+        )
+
+        boost = ZCLAttributeDef(
+            id=0x4043,
+            type=State,
+            is_manufacturer_specific=True,
+        )
+
+
+class BoschUserInterfaceCluster(CustomCluster, UserInterface):
+    """Bosch UserInterface cluster."""
+
+    class AttributeDefs(UserInterface.AttributeDefs):
+        display_orientation = ZCLAttributeDef(
+            id=0x400B,
+            type=BoschDisplayOrientation,
+            is_manufacturer_specific=True,
+        )
+
+        display_ontime = ZCLAttributeDef(
+            id=0x403A,
+            # Usable values range from 2-30
+            type=t.enum8,
+            is_manufacturer_specific=True,
+        )
+
+        display_brightness = ZCLAttributeDef(
+            id=0x403B,
+            # Values range from 0-10
+            type=t.enum8,
+            is_manufacturer_specific=True,
+        )
+
+        displayed_temperature = ZCLAttributeDef(
+            id=0x4039,
+            type=BoschDisplayedTemperature,
+            is_manufacturer_specific=True,
+        )
+
+
+class BoschThermostat(CustomDevice):
+    """Bosch thermostat custom device."""
+
+    signature = {
+        MODELS_INFO: [("BOSCH", "RBSH-TRV0-ZB-EU")],
+        ENDPOINTS: {
+            # <SimpleDescriptor endpoint=1 profile=260 device_type=769
+            # device_version=1
+            # input_clusters=[0, 1, 3, 4, 32, 513, 516, 2821]
+            # output_clusters=[10, 25]>
+            1: {
+                PROFILE_ID: zha.PROFILE_ID,
+                DEVICE_TYPE: zha.DeviceType.THERMOSTAT,
+                INPUT_CLUSTERS: [
+                    general.Basic.cluster_id,
+                    general.PowerConfiguration.cluster_id,
+                    general.Identify.cluster_id,
+                    general.Groups.cluster_id,
+                    general.PollControl.cluster_id,
+                    hvac.Thermostat.cluster_id,
+                    hvac.UserInterface.cluster_id,
+                    homeautomation.Diagnostic.cluster_id,
+                ],
+                OUTPUT_CLUSTERS: [general.Ota.cluster_id,
+                                  general.Time.cluster_id],
+            },
+        },
+    }
+
+    replacement = {
+        ENDPOINTS: {
+            1: {
+                INPUT_CLUSTERS: [
+                    Basic,
+                    BoschThermostatCluster,
+                    BoschUserInterfaceCluster,
+                    Diagnostic,
+                    Groups,
+                    Identify,
+                    Ota,
+                    PollControl,
+                    PowerConfiguration,
+                    Time,
+                ],
+                OUTPUT_CLUSTERS: [Ota, Time],
+            },
+        },
+    }