diff --git a/homeassistant/components/bosch_shc/strings.json b/homeassistant/components/bosch_shc/strings.json
index 7ef81f26d22e..2776f96c616f 100644
--- a/homeassistant/components/bosch_shc/strings.json
+++ b/homeassistant/components/bosch_shc/strings.json
@@ -119,6 +119,9 @@
       "routing": {
         "name": "Range extension"
       },
+      "silent_mode": {
+        "name": "Whisper mode"
+      },
       "smart_sensitivity_enabled": {
         "name": "Automatic sensitivity"
       },
diff --git a/homeassistant/components/bosch_shc/switch.py b/homeassistant/components/bosch_shc/switch.py
index eddbc079d9cd..6d0db5aa556c 100644
--- a/homeassistant/components/bosch_shc/switch.py
+++ b/homeassistant/components/bosch_shc/switch.py
@@ -11,6 +11,7 @@ from boschshcpy import (
     PrivacyModeService,
     SHCShutterContact2,
     SHCSmartPlug,
+    SilentModeService,
     ThermostatService,
 )
 from boschshcpy.device import SHCDevice
@@ -161,6 +162,15 @@ SWITCH_TYPES: dict[str, SHCSwitchEntityDescription] = {
         on_value=True,
         should_poll=False,
     ),
+    "silent_mode": SHCSwitchEntityDescription(
+        key="silent_mode",
+        translation_key="silent_mode",
+        device_class=SwitchDeviceClass.SWITCH,
+        entity_category=EntityCategory.CONFIG,
+        on_key="silentmode",
+        on_value=SilentModeService.State.MODE_SILENT,
+        should_poll=False,
+    ),
     "smart_sensitivity_enabled": SHCSwitchEntityDescription(
         key="smart_sensitivity_enabled",
         translation_key="smart_sensitivity_enabled",
@@ -355,6 +365,19 @@ async def async_setup_entry(
         if switch.supports_intrusion_alarm
     )
 
+    entities.extend(
+        SHCSwitch(
+            hass=hass,
+            device=switch,
+            parent_id=shc_info.unique_id,
+            entry_id=config_entry.entry_id,
+            description=SWITCH_TYPES["silent_mode"],
+            unique_id_suffix="silent_mode",
+        )
+        for switch in session.device_helper.thermostats
+        if switch.supports_silentmode
+    )
+
     entities.extend(
         SHCSwitch(
             hass=hass,
diff --git a/tests/components/bosch_shc/conftest.py b/tests/components/bosch_shc/conftest.py
index e9100a4e41d6..416d4692506c 100644
--- a/tests/components/bosch_shc/conftest.py
+++ b/tests/components/bosch_shc/conftest.py
@@ -27,6 +27,7 @@ from boschshcpy import (
     SHCTwinguard,
     ShutterContactService,
     ShutterControlService,
+    SilentModeService,
     ThermostatService,
 )
 from boschshcpy.services_impl import (
@@ -260,6 +261,8 @@ def thermostat_device(
     child_lock: ThermostatService.State = ThermostatService.State.OFF,
     position: int = 50,
     valvestate: ValveTappetService.State = ValveTappetService.State.VALVE_ADAPTION_SUCCESSFUL,
+    supports_silentmode: bool = False,
+    silentmode: SilentModeService.State = SilentModeService.State.MODE_NORMAL,
 ) -> SHCThermostat:
     """Build a minimal device double for the thermostats/roomthermostats/wallthermostats buckets."""
     device = create_autospec(SHCThermostat, instance=True, spec_set=True)
@@ -275,6 +278,8 @@ def thermostat_device(
     device.child_lock = child_lock
     device.position = position
     device.valvestate = valvestate
+    device.supports_silentmode = supports_silentmode
+    device.silentmode = silentmode
     return device
 
 
diff --git a/tests/components/bosch_shc/test_switch.py b/tests/components/bosch_shc/test_switch.py
index 773283781779..70a1dcef5a95 100644
--- a/tests/components/bosch_shc/test_switch.py
+++ b/tests/components/bosch_shc/test_switch.py
@@ -3,7 +3,7 @@
 from collections.abc import Generator
 from unittest.mock import MagicMock, patch
 
-from boschshcpy import BypassService, ThermostatService
+from boschshcpy import BypassService, SilentModeService, ThermostatService
 import pytest
 
 from homeassistant.components.switch import DOMAIN as SWITCH_DOMAIN
@@ -77,6 +77,67 @@ async def test_thermostat_child_lock(
     assert device.child_lock is False
 
 
+@pytest.mark.parametrize(
+    "device_buckets",
+    [
+        {
+            "thermostats": [
+                thermostat_device(
+                    supports_silentmode=True,
+                    silentmode=SilentModeService.State.MODE_NORMAL,
+                )
+            ]
+        }
+    ],
+    indirect=True,
+)
+@pytest.mark.usefixtures("mock_session")
+async def test_thermostat_silent_mode(
+    hass: HomeAssistant,
+    mock_session: MagicMock,
+    mock_config_entry: MockConfigEntry,
+) -> None:
+    """A thermostat's silent mode is exposed and controllable as a switch."""
+    await setup_integration(hass, mock_config_entry)
+    device = mock_session.device_helper.thermostats[0]
+
+    state = hass.states.get("switch.thermostat_whisper_mode")
+    assert state is not None
+    assert state.state == "off"
+
+    await hass.services.async_call(
+        SWITCH_DOMAIN,
+        SERVICE_TURN_ON,
+        {ATTR_ENTITY_ID: "switch.thermostat_whisper_mode"},
+        blocking=True,
+    )
+    assert device.silentmode is True
+
+    await hass.services.async_call(
+        SWITCH_DOMAIN,
+        SERVICE_TURN_OFF,
+        {ATTR_ENTITY_ID: "switch.thermostat_whisper_mode"},
+        blocking=True,
+    )
+    assert device.silentmode is False
+
+
+@pytest.mark.parametrize(
+    "device_buckets",
+    [{"thermostats": [thermostat_device(supports_silentmode=False)]}],
+    indirect=True,
+)
+@pytest.mark.usefixtures("mock_session")
+async def test_thermostat_no_silent_mode_support(
+    hass: HomeAssistant,
+    mock_config_entry: MockConfigEntry,
+) -> None:
+    """No switch is created for a thermostat without silent-mode support."""
+    await setup_integration(hass, mock_config_entry)
+
+    assert hass.states.get("switch.thermostat_whisper_mode") is None
+
+
 @pytest.mark.parametrize(
     "device_buckets",
     [{"micromodule_relays": [micromodule_relay_device(child_lock=False)]}],