diff --git a/CODEOWNERS b/CODEOWNERS
index 5054a6c1b09..f2be766e5ad 100644
--- a/CODEOWNERS
+++ b/CODEOWNERS
@@ -796,6 +796,8 @@ build.json @home-assistant/supervisor
 /homeassistant/components/qbittorrent/ @geoffreylagaisse
 /homeassistant/components/qld_bushfire/ @exxamalte
 /tests/components/qld_bushfire/ @exxamalte
+/homeassistant/components/qnap_qsw/ @Noltari
+/tests/components/qnap_qsw/ @Noltari
 /homeassistant/components/quantum_gateway/ @cisasteelersfan
 /homeassistant/components/qvr_pro/ @oblogic7
 /homeassistant/components/qwikswitch/ @kellerza
diff --git a/homeassistant/components/qnap_qsw/__init__.py b/homeassistant/components/qnap_qsw/__init__.py
new file mode 100644
index 00000000000..c1b96a3298e
--- /dev/null
+++ b/homeassistant/components/qnap_qsw/__init__.py
@@ -0,0 +1,89 @@
+"""The QNAP QSW integration."""
+from __future__ import annotations
+
+from typing import Any
+
+from aioqsw.const import (
+    QSD_FIRMWARE,
+    QSD_FIRMWARE_INFO,
+    QSD_MAC,
+    QSD_PRODUCT,
+    QSD_SYSTEM_BOARD,
+)
+from aioqsw.localapi import ConnectionOptions, QnapQswApi
+
+from homeassistant.config_entries import ConfigEntry
+from homeassistant.const import CONF_PASSWORD, CONF_URL, CONF_USERNAME, Platform
+from homeassistant.core import HomeAssistant
+from homeassistant.helpers import aiohttp_client
+from homeassistant.helpers.device_registry import CONNECTION_NETWORK_MAC
+from homeassistant.helpers.entity import DeviceInfo
+from homeassistant.helpers.update_coordinator import CoordinatorEntity
+
+from .const import DOMAIN, MANUFACTURER
+from .coordinator import QswUpdateCoordinator
+
+PLATFORMS: list[Platform] = [Platform.SENSOR]
+
+
+class QswEntity(CoordinatorEntity[QswUpdateCoordinator]):
+    """Define an QNAP QSW entity."""
+
+    def __init__(
+        self,
+        coordinator: QswUpdateCoordinator,
+        entry: ConfigEntry,
+    ) -> None:
+        """Initialize."""
+        super().__init__(coordinator)
+
+        self._attr_device_info = DeviceInfo(
+            configuration_url=entry.data[CONF_URL],
+            connections={
+                (
+                    CONNECTION_NETWORK_MAC,
+                    self.get_device_value(QSD_SYSTEM_BOARD, QSD_MAC),
+                )
+            },
+            manufacturer=MANUFACTURER,
+            model=self.get_device_value(QSD_SYSTEM_BOARD, QSD_PRODUCT),
+            name=self.get_device_value(QSD_SYSTEM_BOARD, QSD_PRODUCT),
+            sw_version=self.get_device_value(QSD_FIRMWARE_INFO, QSD_FIRMWARE),
+        )
+
+    def get_device_value(self, key: str, subkey: str) -> Any:
+        """Return device value by key."""
+        value = None
+        if key in self.coordinator.data:
+            data = self.coordinator.data[key]
+            if subkey in data:
+                value = data[subkey]
+        return value
+
+
+async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
+    """Set up QNAP QSW from a config entry."""
+    options = ConnectionOptions(
+        entry.data[CONF_URL],
+        entry.data[CONF_USERNAME],
+        entry.data[CONF_PASSWORD],
+    )
+
+    qsw = QnapQswApi(aiohttp_client.async_get_clientsession(hass), options)
+
+    coordinator = QswUpdateCoordinator(hass, qsw)
+    await coordinator.async_config_entry_first_refresh()
+
+    hass.data.setdefault(DOMAIN, {})[entry.entry_id] = coordinator
+
+    hass.config_entries.async_setup_platforms(entry, PLATFORMS)
+
+    return True
+
+
+async def async_unload_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
+    """Unload a config entry."""
+    if unload_ok := await hass.config_entries.async_unload_platforms(entry, PLATFORMS):
+        hass.data[DOMAIN].pop(entry.entry_id)
+
+    return unload_ok
diff --git a/homeassistant/components/qnap_qsw/config_flow.py b/homeassistant/components/qnap_qsw/config_flow.py
new file mode 100644
index 00000000000..891c72c9911
--- /dev/null
+++ b/homeassistant/components/qnap_qsw/config_flow.py
@@ -0,0 +1,65 @@
+"""Config flow for QNAP QSW."""
+from __future__ import annotations
+
+from typing import Any
+
+from aioqsw.exceptions import LoginError, QswError
+from aioqsw.localapi import ConnectionOptions, QnapQswApi
+import voluptuous as vol
+
+from homeassistant import config_entries
+from homeassistant.const import CONF_PASSWORD, CONF_URL, CONF_USERNAME
+from homeassistant.data_entry_flow import AbortFlow, FlowResult
+from homeassistant.helpers import aiohttp_client
+from homeassistant.helpers.device_registry import format_mac
+
+from .const import DOMAIN
+
+
+class ConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
+    """Handle config flow for a QNAP QSW device."""
+
+    async def async_step_user(
+        self, user_input: dict[str, Any] | None = None
+    ) -> FlowResult:
+        """Handle the initial step."""
+        errors = {}
+
+        if user_input is not None:
+            url = user_input[CONF_URL]
+            username = user_input[CONF_USERNAME]
+            password = user_input[CONF_PASSWORD]
+
+            qsw = QnapQswApi(
+                aiohttp_client.async_get_clientsession(self.hass),
+                ConnectionOptions(url, username, password),
+            )
+
+            try:
+                system_board = await qsw.validate()
+            except LoginError:
+                errors[CONF_PASSWORD] = "invalid_auth"
+            except QswError:
+                errors[CONF_URL] = "cannot_connect"
+            else:
+                mac = system_board.get_mac()
+                if mac is None:
+                    raise AbortFlow("invalid_id")
+
+                await self.async_set_unique_id(format_mac(mac))
+                self._abort_if_unique_id_configured()
+
+                title = f"QNAP {system_board.get_product()} {mac}"
+                return self.async_create_entry(title=title, data=user_input)
+
+        return self.async_show_form(
+            step_id="user",
+            data_schema=vol.Schema(
+                {
+                    vol.Required(CONF_URL): str,
+                    vol.Required(CONF_USERNAME): str,
+                    vol.Required(CONF_PASSWORD): str,
+                }
+            ),
+            errors=errors,
+        )
diff --git a/homeassistant/components/qnap_qsw/const.py b/homeassistant/components/qnap_qsw/const.py
new file mode 100644
index 00000000000..b55a817927f
--- /dev/null
+++ b/homeassistant/components/qnap_qsw/const.py
@@ -0,0 +1,12 @@
+"""Constants for the QNAP QSW integration."""
+
+from typing import Final
+
+ATTR_MAX: Final = "max"
+
+DOMAIN: Final = "qnap_qsw"
+MANUFACTURER: Final = "QNAP"
+
+RPM: Final = "rpm"
+
+QSW_TIMEOUT_SEC: Final = 25
diff --git a/homeassistant/components/qnap_qsw/coordinator.py b/homeassistant/components/qnap_qsw/coordinator.py
new file mode 100644
index 00000000000..064953b1446
--- /dev/null
+++ b/homeassistant/components/qnap_qsw/coordinator.py
@@ -0,0 +1,42 @@
+"""The QNAP QSW coordinator."""
+from __future__ import annotations
+
+from datetime import timedelta
+import logging
+
+from aioqsw.exceptions import QswError
+from aioqsw.localapi import QnapQswApi
+import async_timeout
+
+from homeassistant.core import HomeAssistant
+from homeassistant.helpers.update_coordinator import DataUpdateCoordinator, UpdateFailed
+
+from .const import DOMAIN, QSW_TIMEOUT_SEC
+
+SCAN_INTERVAL = timedelta(seconds=60)
+
+_LOGGER = logging.getLogger(__name__)
+
+
+class QswUpdateCoordinator(DataUpdateCoordinator):
+    """Class to manage fetching data from the QNAP QSW device."""
+
+    def __init__(self, hass: HomeAssistant, qsw: QnapQswApi) -> None:
+        """Initialize."""
+        self.qsw = qsw
+
+        super().__init__(
+            hass,
+            _LOGGER,
+            name=DOMAIN,
+            update_interval=SCAN_INTERVAL,
+        )
+
+    async def _async_update_data(self):
+        """Update data via library."""
+        async with async_timeout.timeout(QSW_TIMEOUT_SEC):
+            try:
+                await self.qsw.update()
+            except QswError as error:
+                raise UpdateFailed(error) from error
+            return self.qsw.data()
diff --git a/homeassistant/components/qnap_qsw/manifest.json b/homeassistant/components/qnap_qsw/manifest.json
new file mode 100644
index 00000000000..17709b275ca
--- /dev/null
+++ b/homeassistant/components/qnap_qsw/manifest.json
@@ -0,0 +1,10 @@
+{
+  "domain": "qnap_qsw",
+  "name": "QNAP QSW",
+  "config_flow": true,
+  "documentation": "https://www.home-assistant.io/integrations/qnap_qsw",
+  "requirements": ["aioqsw==0.0.5"],
+  "codeowners": ["@Noltari"],
+  "iot_class": "local_polling",
+  "loggers": ["aioqsw"]
+}
diff --git a/homeassistant/components/qnap_qsw/sensor.py b/homeassistant/components/qnap_qsw/sensor.py
new file mode 100644
index 00000000000..a1fd7c5a17f
--- /dev/null
+++ b/homeassistant/components/qnap_qsw/sensor.py
@@ -0,0 +1,135 @@
+"""Support for the QNAP QSW sensors."""
+from __future__ import annotations
+
+from dataclasses import dataclass
+from typing import Final
+
+from aioqsw.const import (
+    QSD_FAN1_SPEED,
+    QSD_FAN2_SPEED,
+    QSD_PRODUCT,
+    QSD_SYSTEM_BOARD,
+    QSD_SYSTEM_SENSOR,
+    QSD_SYSTEM_TIME,
+    QSD_TEMP,
+    QSD_TEMP_MAX,
+    QSD_UPTIME,
+)
+
+from homeassistant.components.sensor import (
+    SensorDeviceClass,
+    SensorEntity,
+    SensorEntityDescription,
+    SensorStateClass,
+)
+from homeassistant.config_entries import ConfigEntry
+from homeassistant.const import TEMP_CELSIUS, TIME_SECONDS
+from homeassistant.core import HomeAssistant, callback
+from homeassistant.helpers.entity import EntityCategory
+from homeassistant.helpers.entity_platform import AddEntitiesCallback
+
+from . import QswEntity
+from .const import ATTR_MAX, DOMAIN, RPM
+from .coordinator import QswUpdateCoordinator
+
+
+@dataclass
+class QswSensorEntityDescription(SensorEntityDescription):
+    """A class that describes QNAP QSW sensor entities."""
+
+    attributes: dict[str, list[str]] | None = None
+    subkey: str = ""
+
+
+SENSOR_TYPES: Final[tuple[QswSensorEntityDescription, ...]] = (
+    QswSensorEntityDescription(
+        key=QSD_SYSTEM_SENSOR,
+        name="Fan 1 Speed",
+        native_unit_of_measurement=RPM,
+        state_class=SensorStateClass.MEASUREMENT,
+        subkey=QSD_FAN1_SPEED,
+    ),
+    QswSensorEntityDescription(
+        key=QSD_SYSTEM_SENSOR,
+        name="Fan 2 Speed",
+        native_unit_of_measurement=RPM,
+        state_class=SensorStateClass.MEASUREMENT,
+        subkey=QSD_FAN2_SPEED,
+    ),
+    QswSensorEntityDescription(
+        attributes={
+            ATTR_MAX: [QSD_SYSTEM_SENSOR, QSD_TEMP_MAX],
+        },
+        device_class=SensorDeviceClass.TEMPERATURE,
+        key=QSD_SYSTEM_SENSOR,
+        name="Temperature",
+        native_unit_of_measurement=TEMP_CELSIUS,
+        state_class=SensorStateClass.MEASUREMENT,
+        subkey=QSD_TEMP,
+    ),
+    QswSensorEntityDescription(
+        key=QSD_SYSTEM_TIME,
+        entity_category=EntityCategory.DIAGNOSTIC,
+        name="Uptime",
+        native_unit_of_measurement=TIME_SECONDS,
+        state_class=SensorStateClass.TOTAL_INCREASING,
+        subkey=QSD_UPTIME,
+    ),
+)
+
+
+async def async_setup_entry(
+    hass: HomeAssistant, entry: ConfigEntry, async_add_entities: AddEntitiesCallback
+) -> None:
+    """Add QNAP QSW sensors from a config_entry."""
+    coordinator: QswUpdateCoordinator = hass.data[DOMAIN][entry.entry_id]
+    async_add_entities(
+        QswSensor(coordinator, description, entry)
+        for description in SENSOR_TYPES
+        if (
+            description.key in coordinator.data
+            and description.subkey in coordinator.data[description.key]
+        )
+    )
+
+
+class QswSensor(QswEntity, SensorEntity):
+    """Define a QNAP QSW sensor."""
+
+    entity_description: QswSensorEntityDescription
+
+    def __init__(
+        self,
+        coordinator: QswUpdateCoordinator,
+        description: QswSensorEntityDescription,
+        entry: ConfigEntry,
+    ) -> None:
+        """Initialize."""
+        super().__init__(coordinator, entry)
+        self._attr_name = (
+            f"{self.get_device_value(QSD_SYSTEM_BOARD, QSD_PRODUCT)} {description.name}"
+        )
+        self._attr_unique_id = (
+            f"{entry.unique_id}_{description.key}_{description.subkey}"
+        )
+        self.entity_description = description
+        self._async_update_attrs()
+
+    @callback
+    def _handle_coordinator_update(self) -> None:
+        """Update attributes when the coordinator updates."""
+        self._async_update_attrs()
+        super()._handle_coordinator_update()
+
+    @callback
+    def _async_update_attrs(self) -> None:
+        """Update sensor attributes."""
+        self._attr_native_value = self.get_device_value(
+            self.entity_description.key, self.entity_description.subkey
+        )
+
+        if self.entity_description.attributes:
+            self._attr_extra_state_attributes = {
+                key: self.get_device_value(val[0], val[1])
+                for key, val in self.entity_description.attributes.items()
+            }
diff --git a/homeassistant/components/qnap_qsw/strings.json b/homeassistant/components/qnap_qsw/strings.json
new file mode 100644
index 00000000000..351245a9591
--- /dev/null
+++ b/homeassistant/components/qnap_qsw/strings.json
@@ -0,0 +1,21 @@
+{
+  "config": {
+    "abort": {
+      "already_configured": "[%key:common::config_flow::abort::already_configured_device%]",
+      "invalid_id": "Device returned an invalid unique ID"
+    },
+    "error": {
+      "cannot_connect": "[%key:common::config_flow::error::cannot_connect%]",
+      "invalid_auth": "[%key:common::config_flow::error::invalid_auth%]"
+    },
+    "step": {
+      "user": {
+        "data": {
+          "url": "[%key:common::config_flow::data::url%]",
+          "username": "[%key:common::config_flow::data::username%]",
+          "password": "[%key:common::config_flow::data::password%]"
+        }
+      }
+    }
+  }
+}
diff --git a/homeassistant/components/qnap_qsw/translations/en.json b/homeassistant/components/qnap_qsw/translations/en.json
new file mode 100644
index 00000000000..2d0180d1670
--- /dev/null
+++ b/homeassistant/components/qnap_qsw/translations/en.json
@@ -0,0 +1,21 @@
+{
+    "config": {
+        "abort": {
+            "already_configured": "Device is already configured",
+            "invalid_id": "Device returned an invalid unique ID"
+        },
+        "error": {
+            "cannot_connect": "Failed to connect",
+            "invalid_auth": "Invalid authentication"
+        },
+        "step": {
+            "user": {
+                "data": {
+                    "url": "URL",
+                    "username": "Username",
+                    "password": "Password"
+                }
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/homeassistant/generated/config_flows.py b/homeassistant/generated/config_flows.py
index c51c4a9733a..706053e15a5 100644
--- a/homeassistant/generated/config_flows.py
+++ b/homeassistant/generated/config_flows.py
@@ -271,6 +271,7 @@ FLOWS = {
         "pure_energie",
         "pvoutput",
         "pvpc_hourly_pricing",
+        "qnap_qsw",
         "rachio",
         "radio_browser",
         "rainforest_eagle",
diff --git a/requirements_all.txt b/requirements_all.txt
index 6cee9119726..bffda584c2c 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -225,6 +225,9 @@ aiopvpc==3.0.0
 # homeassistant.components.sonarr
 aiopyarr==22.2.2
 
+# homeassistant.components.qnap_qsw
+aioqsw==0.0.5
+
 # homeassistant.components.recollect_waste
 aiorecollect==1.0.8
 
diff --git a/requirements_test_all.txt b/requirements_test_all.txt
index d05d1625904..017c15128ba 100644
--- a/requirements_test_all.txt
+++ b/requirements_test_all.txt
@@ -191,6 +191,9 @@ aiopvpc==3.0.0
 # homeassistant.components.sonarr
 aiopyarr==22.2.2
 
+# homeassistant.components.qnap_qsw
+aioqsw==0.0.5
+
 # homeassistant.components.recollect_waste
 aiorecollect==1.0.8
 
diff --git a/tests/components/qnap_qsw/__init__.py b/tests/components/qnap_qsw/__init__.py
new file mode 100644
index 00000000000..bea1dccd3b2
--- /dev/null
+++ b/tests/components/qnap_qsw/__init__.py
@@ -0,0 +1 @@
+"""Tests for the QNAP QSW integration."""
diff --git a/tests/components/qnap_qsw/test_config_flow.py b/tests/components/qnap_qsw/test_config_flow.py
new file mode 100644
index 00000000000..e8cc9c56c0a
--- /dev/null
+++ b/tests/components/qnap_qsw/test_config_flow.py
@@ -0,0 +1,136 @@
+"""Define tests for the QNAP QSW config flow."""
+
+from unittest.mock import MagicMock, patch
+
+from aioqsw.const import API_MAC_ADDR, API_PRODUCT, API_RESULT
+from aioqsw.exceptions import LoginError, QswError
+
+from homeassistant import data_entry_flow
+from homeassistant.components.qnap_qsw.const import DOMAIN
+from homeassistant.config_entries import SOURCE_USER, ConfigEntryState
+from homeassistant.const import CONF_PASSWORD, CONF_URL, CONF_USERNAME
+from homeassistant.core import HomeAssistant
+from homeassistant.helpers.device_registry import format_mac
+
+from .util import CONFIG, LIVE_MOCK, SYSTEM_BOARD_MOCK, USERS_LOGIN_MOCK
+
+from tests.common import MockConfigEntry
+
+
+async def test_form(hass: HomeAssistant) -> None:
+    """Test that the form is served with valid input."""
+
+    with patch(
+        "homeassistant.components.qnap_qsw.async_setup_entry",
+        return_value=True,
+    ) as mock_setup_entry, patch(
+        "homeassistant.components.qnap_qsw.QnapQswApi.get_live",
+        return_value=LIVE_MOCK,
+    ), patch(
+        "homeassistant.components.qnap_qsw.QnapQswApi.get_system_board",
+        return_value=SYSTEM_BOARD_MOCK,
+    ), patch(
+        "homeassistant.components.qnap_qsw.QnapQswApi.post_users_login",
+        return_value=USERS_LOGIN_MOCK,
+    ):
+        result = await hass.config_entries.flow.async_init(
+            DOMAIN, context={"source": SOURCE_USER}
+        )
+
+        assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
+        assert result["step_id"] == SOURCE_USER
+        assert result["errors"] == {}
+
+        result = await hass.config_entries.flow.async_configure(
+            result["flow_id"], CONFIG
+        )
+
+        await hass.async_block_till_done()
+
+        conf_entries = hass.config_entries.async_entries(DOMAIN)
+        entry = conf_entries[0]
+        assert entry.state is ConfigEntryState.LOADED
+
+        assert result["type"] == data_entry_flow.RESULT_TYPE_CREATE_ENTRY
+        assert (
+            result["title"]
+            == f"QNAP {SYSTEM_BOARD_MOCK[API_RESULT][API_PRODUCT]} {SYSTEM_BOARD_MOCK[API_RESULT][API_MAC_ADDR]}"
+        )
+        assert result["data"][CONF_URL] == CONFIG[CONF_URL]
+        assert result["data"][CONF_USERNAME] == CONFIG[CONF_USERNAME]
+        assert result["data"][CONF_PASSWORD] == CONFIG[CONF_PASSWORD]
+
+        assert len(mock_setup_entry.mock_calls) == 1
+
+
+async def test_form_duplicated_id(hass: HomeAssistant) -> None:
+    """Test setting up duplicated entry."""
+
+    system_board = MagicMock()
+    system_board.get_mac = MagicMock(
+        return_value=SYSTEM_BOARD_MOCK[API_RESULT][API_MAC_ADDR]
+    )
+
+    entry = MockConfigEntry(
+        domain=DOMAIN,
+        data=CONFIG,
+        unique_id=format_mac(SYSTEM_BOARD_MOCK[API_RESULT][API_MAC_ADDR]),
+    )
+    entry.add_to_hass(hass)
+
+    with patch(
+        "homeassistant.components.qnap_qsw.QnapQswApi.validate",
+        return_value=system_board,
+    ):
+        result = await hass.config_entries.flow.async_init(
+            DOMAIN, context={"source": SOURCE_USER}, data=CONFIG
+        )
+
+        assert result["type"] == "abort"
+        assert result["reason"] == "already_configured"
+
+
+async def test_form_unique_id_error(hass: HomeAssistant):
+    """Test unique ID error."""
+
+    system_board = MagicMock()
+    system_board.get_mac = MagicMock(return_value=None)
+
+    with patch(
+        "homeassistant.components.qnap_qsw.QnapQswApi.validate",
+        return_value=system_board,
+    ):
+        result = await hass.config_entries.flow.async_init(
+            DOMAIN, context={"source": SOURCE_USER}, data=CONFIG
+        )
+
+        assert result["type"] == "abort"
+        assert result["reason"] == "invalid_id"
+
+
+async def test_connection_error(hass: HomeAssistant):
+    """Test connection to host error."""
+
+    with patch(
+        "homeassistant.components.qnap_qsw.QnapQswApi.validate",
+        side_effect=QswError,
+    ):
+        result = await hass.config_entries.flow.async_init(
+            DOMAIN, context={"source": SOURCE_USER}, data=CONFIG
+        )
+
+        assert result["errors"] == {CONF_URL: "cannot_connect"}
+
+
+async def test_login_error(hass: HomeAssistant):
+    """Test login error."""
+
+    with patch(
+        "homeassistant.components.qnap_qsw.QnapQswApi.validate",
+        side_effect=LoginError,
+    ):
+        result = await hass.config_entries.flow.async_init(
+            DOMAIN, context={"source": SOURCE_USER}, data=CONFIG
+        )
+
+        assert result["errors"] == {CONF_PASSWORD: "invalid_auth"}
diff --git a/tests/components/qnap_qsw/test_coordinator.py b/tests/components/qnap_qsw/test_coordinator.py
new file mode 100644
index 00000000000..b8e4855fea9
--- /dev/null
+++ b/tests/components/qnap_qsw/test_coordinator.py
@@ -0,0 +1,83 @@
+"""Define tests for the QNAP QSW coordinator."""
+
+from unittest.mock import patch
+
+from aioqsw.exceptions import QswError
+
+from homeassistant.components.qnap_qsw.const import DOMAIN
+from homeassistant.components.qnap_qsw.coordinator import SCAN_INTERVAL
+from homeassistant.const import STATE_UNAVAILABLE
+from homeassistant.core import HomeAssistant
+from homeassistant.util.dt import utcnow
+
+from .util import (
+    CONFIG,
+    FIRMWARE_CONDITION_MOCK,
+    FIRMWARE_INFO_MOCK,
+    SYSTEM_BOARD_MOCK,
+    SYSTEM_SENSOR_MOCK,
+    SYSTEM_TIME_MOCK,
+    USERS_LOGIN_MOCK,
+    USERS_VERIFICATION_MOCK,
+)
+
+from tests.common import MockConfigEntry, async_fire_time_changed
+
+
+async def test_coordinator_client_connector_error(hass: HomeAssistant) -> None:
+    """Test ClientConnectorError on coordinator update."""
+
+    entry = MockConfigEntry(domain=DOMAIN, data=CONFIG)
+    entry.add_to_hass(hass)
+
+    with patch(
+        "homeassistant.components.qnap_qsw.QnapQswApi.get_firmware_condition",
+        return_value=FIRMWARE_CONDITION_MOCK,
+    ) as mock_firmware_condition, patch(
+        "homeassistant.components.qnap_qsw.QnapQswApi.get_firmware_info",
+        return_value=FIRMWARE_INFO_MOCK,
+    ) as mock_firmware_info, patch(
+        "homeassistant.components.qnap_qsw.QnapQswApi.get_system_board",
+        return_value=SYSTEM_BOARD_MOCK,
+    ) as mock_system_board, patch(
+        "homeassistant.components.qnap_qsw.QnapQswApi.get_system_sensor",
+        return_value=SYSTEM_SENSOR_MOCK,
+    ) as mock_system_sensor, patch(
+        "homeassistant.components.qnap_qsw.QnapQswApi.get_system_time",
+        return_value=SYSTEM_TIME_MOCK,
+    ) as mock_system_time, patch(
+        "homeassistant.components.qnap_qsw.QnapQswApi.get_users_verification",
+        return_value=USERS_VERIFICATION_MOCK,
+    ) as mock_users_verification, patch(
+        "homeassistant.components.qnap_qsw.QnapQswApi.post_users_login",
+        return_value=USERS_LOGIN_MOCK,
+    ) as mock_users_login:
+        await hass.config_entries.async_setup(entry.entry_id)
+        await hass.async_block_till_done()
+
+        mock_firmware_condition.assert_called_once()
+        mock_firmware_info.assert_called_once()
+        mock_system_board.assert_called_once()
+        mock_system_sensor.assert_called_once()
+        mock_system_time.assert_called_once()
+        mock_users_verification.assert_not_called()
+        mock_users_login.assert_called_once()
+
+        mock_firmware_condition.reset_mock()
+        mock_firmware_info.reset_mock()
+        mock_system_board.reset_mock()
+        mock_system_sensor.reset_mock()
+        mock_system_time.reset_mock()
+        mock_users_verification.reset_mock()
+        mock_users_login.reset_mock()
+
+        mock_system_sensor.side_effect = QswError
+        async_fire_time_changed(hass, utcnow() + SCAN_INTERVAL)
+        await hass.async_block_till_done()
+
+        mock_system_sensor.assert_called_once()
+        mock_users_verification.assert_called_once()
+        mock_users_login.assert_not_called()
+
+        state = hass.states.get("sensor.qsw_m408_4c_temperature")
+        assert state.state == STATE_UNAVAILABLE
diff --git a/tests/components/qnap_qsw/test_init.py b/tests/components/qnap_qsw/test_init.py
new file mode 100644
index 00000000000..211cd7ed41d
--- /dev/null
+++ b/tests/components/qnap_qsw/test_init.py
@@ -0,0 +1,35 @@
+"""Define tests for the QNAP QSW init."""
+
+from unittest.mock import patch
+
+from homeassistant.components.qnap_qsw.const import DOMAIN
+from homeassistant.config_entries import ConfigEntryState
+from homeassistant.core import HomeAssistant
+
+from .util import CONFIG
+
+from tests.common import MockConfigEntry
+
+
+async def test_unload_entry(hass: HomeAssistant) -> None:
+    """Test unload."""
+
+    config_entry = MockConfigEntry(
+        domain=DOMAIN, unique_id="qsw_unique_id", data=CONFIG
+    )
+    config_entry.add_to_hass(hass)
+
+    with patch(
+        "homeassistant.components.qnap_qsw.QnapQswApi.validate",
+        return_value=None,
+    ), patch(
+        "homeassistant.components.qnap_qsw.QnapQswApi.update",
+        return_value=None,
+    ):
+        assert await hass.config_entries.async_setup(config_entry.entry_id)
+        await hass.async_block_till_done()
+        assert config_entry.state is ConfigEntryState.LOADED
+
+        await hass.config_entries.async_unload(config_entry.entry_id)
+        await hass.async_block_till_done()
+        assert config_entry.state is ConfigEntryState.NOT_LOADED
diff --git a/tests/components/qnap_qsw/test_sensor.py b/tests/components/qnap_qsw/test_sensor.py
new file mode 100644
index 00000000000..3caf223c808
--- /dev/null
+++ b/tests/components/qnap_qsw/test_sensor.py
@@ -0,0 +1,25 @@
+"""The sensor tests for the QNAP QSW platform."""
+
+from homeassistant.components.qnap_qsw.const import ATTR_MAX
+from homeassistant.core import HomeAssistant
+
+from .util import async_init_integration
+
+
+async def test_qnap_qsw_create_sensors(hass: HomeAssistant) -> None:
+    """Test creation of sensors."""
+
+    await async_init_integration(hass)
+
+    state = hass.states.get("sensor.qsw_m408_4c_fan_1_speed")
+    assert state.state == "1991"
+
+    state = hass.states.get("sensor.qsw_m408_4c_fan_2_speed")
+    assert state is None
+
+    state = hass.states.get("sensor.qsw_m408_4c_temperature")
+    assert state.state == "31"
+    assert state.attributes.get(ATTR_MAX) == 85
+
+    state = hass.states.get("sensor.qsw_m408_4c_uptime")
+    assert state.state == "91"
diff --git a/tests/components/qnap_qsw/util.py b/tests/components/qnap_qsw/util.py
new file mode 100644
index 00000000000..501c31f55e9
--- /dev/null
+++ b/tests/components/qnap_qsw/util.py
@@ -0,0 +1,153 @@
+"""Tests for the QNAP QSW integration."""
+
+from unittest.mock import patch
+
+from aioqsw.const import (
+    API_ANOMALY,
+    API_BUILD_NUMBER,
+    API_CHIP_ID,
+    API_CI_BRANCH,
+    API_CI_COMMIT,
+    API_CI_PIPELINE,
+    API_COMMIT_CPSS,
+    API_COMMIT_ISS,
+    API_DATE,
+    API_ERROR_CODE,
+    API_ERROR_MESSAGE,
+    API_FAN1_SPEED,
+    API_FAN2_SPEED,
+    API_MAC_ADDR,
+    API_MAX_SWITCH_TEMP,
+    API_MESSAGE,
+    API_MODEL,
+    API_NUMBER,
+    API_PORT_NUM,
+    API_PRODUCT,
+    API_PUB_DATE,
+    API_RESULT,
+    API_SERIAL,
+    API_SWITCH_TEMP,
+    API_TRUNK_NUM,
+    API_UPTIME,
+    API_VERSION,
+)
+
+from homeassistant.components.qnap_qsw import DOMAIN
+from homeassistant.const import CONF_PASSWORD, CONF_URL, CONF_USERNAME
+from homeassistant.core import HomeAssistant
+
+from tests.common import MockConfigEntry
+
+CONFIG = {
+    CONF_URL: "http://192.168.1.100",
+    CONF_USERNAME: "username",
+    CONF_PASSWORD: "password",
+}
+
+LIVE_MOCK = {
+    API_ERROR_CODE: 200,
+    API_ERROR_MESSAGE: "OK",
+    API_RESULT: "None",
+}
+
+SYSTEM_BOARD_MOCK = {
+    API_ERROR_CODE: 200,
+    API_ERROR_MESSAGE: "OK",
+    API_RESULT: {
+        API_MAC_ADDR: "MAC",
+        API_SERIAL: "SERIAL",
+        API_CHIP_ID: "ALLEYCAT3",
+        API_MODEL: "M408",
+        API_PORT_NUM: 12,
+        API_PRODUCT: "QSW-M408-4C",
+        API_TRUNK_NUM: 0,
+    },
+}
+
+FIRMWARE_CONDITION_MOCK = {
+    API_ERROR_CODE: 200,
+    API_ERROR_MESSAGE: "OK",
+    API_RESULT: {
+        API_ANOMALY: False,
+        API_MESSAGE: "",
+    },
+}
+
+FIRMWARE_INFO_MOCK = {
+    API_ERROR_CODE: 200,
+    API_ERROR_MESSAGE: "OK",
+    API_RESULT: {
+        API_VERSION: "1.2.0",
+        API_DATE: "20220128",
+        API_PUB_DATE: "Fri, 28 Jan 2022 01:17:39 +0800",
+        API_BUILD_NUMBER: "20220128",
+        API_NUMBER: "29649",
+        API_CI_COMMIT: "b2eb4c8ffb549995aeb4f9c4e645c6d882997c17",
+        API_CI_BRANCH: "m408/codesigning",
+        API_CI_PIPELINE: "9898",
+        API_COMMIT_CPSS: "",
+        API_COMMIT_ISS: "448a3208e5ea744c393b2580f4b9733add9c2faa",
+    },
+}
+
+SYSTEM_SENSOR_MOCK = {
+    API_ERROR_CODE: 200,
+    API_ERROR_MESSAGE: "OK",
+    API_RESULT: {
+        API_FAN1_SPEED: 1991,
+        API_FAN2_SPEED: -2,
+        API_MAX_SWITCH_TEMP: 85,
+        API_SWITCH_TEMP: 31,
+    },
+}
+
+SYSTEM_TIME_MOCK = {
+    API_ERROR_CODE: 200,
+    API_ERROR_MESSAGE: "OK",
+    API_RESULT: {
+        API_UPTIME: 91,
+    },
+}
+
+USERS_LOGIN_MOCK = {
+    API_ERROR_CODE: 200,
+    API_ERROR_MESSAGE: "OK",
+    API_RESULT: "TOKEN",
+}
+
+USERS_VERIFICATION_MOCK = {
+    API_ERROR_CODE: 200,
+    API_ERROR_MESSAGE: "OK",
+    API_RESULT: "None",
+}
+
+
+async def async_init_integration(
+    hass: HomeAssistant,
+) -> None:
+    """Set up the QNAP QSW integration in Home Assistant."""
+
+    entry = MockConfigEntry(domain=DOMAIN, data=CONFIG)
+    entry.add_to_hass(hass)
+
+    with patch(
+        "homeassistant.components.qnap_qsw.QnapQswApi.get_firmware_condition",
+        return_value=FIRMWARE_CONDITION_MOCK,
+    ), patch(
+        "homeassistant.components.qnap_qsw.QnapQswApi.get_firmware_info",
+        return_value=FIRMWARE_INFO_MOCK,
+    ), patch(
+        "homeassistant.components.qnap_qsw.QnapQswApi.get_system_board",
+        return_value=SYSTEM_BOARD_MOCK,
+    ), patch(
+        "homeassistant.components.qnap_qsw.QnapQswApi.get_system_sensor",
+        return_value=SYSTEM_SENSOR_MOCK,
+    ), patch(
+        "homeassistant.components.qnap_qsw.QnapQswApi.get_system_time",
+        return_value=SYSTEM_TIME_MOCK,
+    ), patch(
+        "homeassistant.components.qnap_qsw.QnapQswApi.post_users_login",
+        return_value=USERS_LOGIN_MOCK,
+    ):
+        await hass.config_entries.async_setup(entry.entry_id)
+        await hass.async_block_till_done()