diff --git a/aioaquarea/__init__.py b/aioaquarea/__init__.py
index f8a7460..df2d4ad 100644
--- a/aioaquarea/__init__.py
+++ b/aioaquarea/__init__.py
@@ -9,6 +9,7 @@
     DeviceAction,
     DeviceInfo,
     DeviceStatus,
+    DeviceModeStatus,
     ExtendedOperationMode,
     OperationStatus,
     QuietMode,
@@ -47,4 +48,5 @@
     "Consumption",
     "ConsumptionType",
     "DataNotAvailableError",
+    "DeviceModeStatus",
 )
\ No newline at end of file
diff --git a/aioaquarea/core.py b/aioaquarea/core.py
index 2fc6379..c054d25 100644
--- a/aioaquarea/core.py
+++ b/aioaquarea/core.py
@@ -21,6 +21,7 @@
 from .data import (
     Device,
     DeviceInfo,
+    DeviceModeStatus,
     DeviceStatus,
     DeviceZoneInfo,
     DeviceZoneStatus,
@@ -304,7 +305,7 @@ async def get_device_status(self, long_id: str) -> DeviceStatus:
         device_status = DeviceStatus(
             long_id,
             OperationStatus(device.get("operationStatus")),
-            OperationStatus(device.get("deiceStatus")),
+            DeviceModeStatus(device.get("deiceStatus")),
             device.get("outdoorNow"),
             ExtendedOperationMode.OFF
             if operation_mode_value == 99
@@ -546,6 +547,19 @@ async def post_force_dhw(self, long_id: str, force_dhw: ForceDHW) -> None:
         """Post quiet mode"""
         data = {"status": [{"deviceGuid": long_id, "forceDHW": force_dhw.value}]}
 
+        response = await self.request(
+            "POST",
+            f"{AQUAREA_SERVICE_DEVICES}/{long_id}",
+            referer=AQUAREA_SERVICE_A2W_STATUS_DISPLAY,
+            content_type="application/json",
+            json=data,
+        )
+
+    @auth_required
+    async def post_request_defrost(self, long_id: str) -> None:
+        """Post quiet mode"""
+        data = {"status": [{"deviceGuid": long_id, "forcedefrost": 1}]}
+
         response = await self.request(
             "POST",
             f"{AQUAREA_SERVICE_DEVICES}/{long_id}",
@@ -748,4 +762,9 @@ async def set_force_dhw(self, force_dhw: ForceDHW) -> None:
         if not self.has_tank:
             return
             
-        await self._client.post_force_dhw(self.long_id, force_dhw)        
\ No newline at end of file
+        await self._client.post_force_dhw(self.long_id, force_dhw)
+
+    async def request_defrost(self) -> None:
+        """Request defrost"""
+        if self.device_mode_status is not DeviceModeStatus.DEFROST:
+            await self._client.post_request_defrost(self.long_id)
diff --git a/aioaquarea/data.py b/aioaquarea/data.py
index 1a28cb8..a6e735f 100644
--- a/aioaquarea/data.py
+++ b/aioaquarea/data.py
@@ -97,6 +97,12 @@ class ForceDHW(IntEnum):
     OFF = 0
     ON = 1
 
+class DeviceModeStatus(IntEnum):
+    """Device mode status"""
+
+    NORMAL = 0
+    DEFROST = 1
+
 @dataclass
 class TankStatus:
     """Tank status"""
@@ -161,7 +167,7 @@ class DeviceStatus:
 
     long_id: str
     operation_status: OperationStatus
-    device_status: OperationStatus
+    device_status: DeviceModeStatus
     temperature_outdoor: int
     operation_mode: ExtendedOperationMode
     fault_status: list[FaultError]
@@ -490,6 +496,11 @@ def force_dhw(self) -> ForceDHW:
         """The force DHW of the device"""
         return self._status.force_dhw
 
+    @property
+    def device_mode_status(self) -> DeviceModeStatus:
+        """The mode of the device"""
+        return self._status.device_status
+
     def support_cooling(self, zone_id: int = 1) -> bool:
         """True if the device supports cooling in the given zone"""
         zone = self.zones.get(zone_id, None)
@@ -561,4 +572,8 @@ def get_or_schedule_consumption(
     async def set_force_dhw(self, force_dhw: ForceDHW) -> None:
         """Set the force dhw.
         :param force_dhw: Set the Force DHW mode if the device has a tank.
-        """
\ No newline at end of file
+        """
+
+    @abstractmethod
+    async def request_defrost(self) -> None:
+        """Request defrost"""
\ No newline at end of file