diff --git a/.coveragerc b/.coveragerc
index c717c1624c3..44fe8c41b52 100644
--- a/.coveragerc
+++ b/.coveragerc
@@ -975,6 +975,10 @@ omit =
     homeassistant/components/rainmachine/switch.py
     homeassistant/components/rainmachine/update.py
     homeassistant/components/rainmachine/util.py
+    homeassistant/components/renson/__init__.py
+    homeassistant/components/renson/const.py
+    homeassistant/components/renson/entity.py
+    homeassistant/components/renson/sensor.py
     homeassistant/components/raspyrfm/*
     homeassistant/components/recollect_waste/sensor.py
     homeassistant/components/recorder/repack.py
diff --git a/CODEOWNERS b/CODEOWNERS
index 63833d6c1fa..c1545d61429 100644
--- a/CODEOWNERS
+++ b/CODEOWNERS
@@ -1005,6 +1005,8 @@ build.json @home-assistant/supervisor
 /tests/components/remote/ @home-assistant/core
 /homeassistant/components/renault/ @epenet
 /tests/components/renault/ @epenet
+/homeassistant/components/renson/ @jimmyd-be
+/tests/components/renson/ @jimmyd-be
 /homeassistant/components/reolink/ @starkillerOG
 /tests/components/reolink/ @starkillerOG
 /homeassistant/components/repairs/ @home-assistant/core
diff --git a/homeassistant/components/renson/__init__.py b/homeassistant/components/renson/__init__.py
new file mode 100644
index 00000000000..2e2f4e8f253
--- /dev/null
+++ b/homeassistant/components/renson/__init__.py
@@ -0,0 +1,87 @@
+"""The Renson integration."""
+from __future__ import annotations
+
+from dataclasses import dataclass
+from datetime import timedelta
+import logging
+
+import async_timeout
+from renson_endura_delta.renson import RensonVentilation
+
+from homeassistant.config_entries import ConfigEntry
+from homeassistant.const import CONF_HOST, Platform
+from homeassistant.core import HomeAssistant
+from homeassistant.exceptions import ConfigEntryNotReady
+from homeassistant.helpers.update_coordinator import DataUpdateCoordinator
+
+from .const import DOMAIN
+
+_LOGGER = logging.getLogger(__name__)
+
+PLATFORMS = [
+    Platform.SENSOR,
+]
+
+
+@dataclass
+class RensonData:
+    """Renson data class."""
+
+    api: RensonVentilation
+    coordinator: RensonCoordinator
+
+
+async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
+    """Set up Renson from a config entry."""
+
+    api = RensonVentilation(entry.data[CONF_HOST])
+    coordinator = RensonCoordinator("Renson", hass, api)
+
+    if not await hass.async_add_executor_job(api.connect):
+        raise ConfigEntryNotReady("Cannot connect to Renson device")
+
+    await coordinator.async_config_entry_first_refresh()
+
+    hass.data.setdefault(DOMAIN, {})[entry.entry_id] = RensonData(
+        api,
+        coordinator,
+    )
+
+    await hass.config_entries.async_forward_entry_setups(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
+
+
+class RensonCoordinator(DataUpdateCoordinator):
+    """Data update coordinator for Renson."""
+
+    def __init__(
+        self,
+        name: str,
+        hass: HomeAssistant,
+        api: RensonVentilation,
+        update_interval=timedelta(seconds=30),
+    ) -> None:
+        """Initialize my coordinator."""
+        super().__init__(
+            hass,
+            _LOGGER,
+            # Name of the data. For logging purposes.
+            name=name,
+            # Polling interval. Will only be polled if there are subscribers.
+            update_interval=update_interval,
+        )
+        self.api = api
+
+    async def _async_update_data(self):
+        """Fetch data from API endpoint."""
+        async with async_timeout.timeout(30):
+            return await self.hass.async_add_executor_job(self.api.get_all_data)
diff --git a/homeassistant/components/renson/config_flow.py b/homeassistant/components/renson/config_flow.py
new file mode 100644
index 00000000000..9883772ce02
--- /dev/null
+++ b/homeassistant/components/renson/config_flow.py
@@ -0,0 +1,70 @@
+"""Config flow for Renson integration."""
+from __future__ import annotations
+
+import logging
+from typing import Any
+
+from renson_endura_delta import renson
+import voluptuous as vol
+
+from homeassistant import config_entries
+from homeassistant.const import CONF_HOST
+from homeassistant.core import HomeAssistant
+from homeassistant.data_entry_flow import FlowResult
+from homeassistant.exceptions import HomeAssistantError
+
+from .const import DOMAIN
+
+_LOGGER = logging.getLogger(__name__)
+
+STEP_USER_DATA_SCHEMA = vol.Schema(
+    {
+        vol.Required(CONF_HOST): str,
+    }
+)
+
+
+class ConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
+    """Handle a config flow for Renson."""
+
+    VERSION = 1
+
+    async def validate_input(
+        self, hass: HomeAssistant, data: dict[str, Any]
+    ) -> dict[str, Any]:
+        """Validate the user input allows us to connect."""
+        api = renson.RensonVentilation(data[CONF_HOST])
+
+        if not await self.hass.async_add_executor_job(api.connect):
+            raise CannotConnect
+
+        return {"title": "Renson"}
+
+    async def async_step_user(
+        self, user_input: dict[str, Any] | None = None
+    ) -> FlowResult:
+        """Handle the initial step."""
+        if user_input is None:
+            return self.async_show_form(
+                step_id="user", data_schema=STEP_USER_DATA_SCHEMA
+            )
+
+        errors = {}
+
+        try:
+            info = await self.validate_input(self.hass, user_input)
+        except CannotConnect:
+            errors["base"] = "cannot_connect"
+        except Exception:  # pylint: disable=broad-except
+            _LOGGER.exception("Unexpected exception")
+            errors["base"] = "unknown"
+        else:
+            return self.async_create_entry(title=info["title"], data=user_input)
+
+        return self.async_show_form(
+            step_id="user", data_schema=STEP_USER_DATA_SCHEMA, errors=errors
+        )
+
+
+class CannotConnect(HomeAssistantError):
+    """Error to indicate we cannot connect."""
diff --git a/homeassistant/components/renson/const.py b/homeassistant/components/renson/const.py
new file mode 100644
index 00000000000..840e1ce428a
--- /dev/null
+++ b/homeassistant/components/renson/const.py
@@ -0,0 +1,3 @@
+"""Constants for the Renson integration."""
+
+DOMAIN = "renson"
diff --git a/homeassistant/components/renson/entity.py b/homeassistant/components/renson/entity.py
new file mode 100644
index 00000000000..9ba30b43aa7
--- /dev/null
+++ b/homeassistant/components/renson/entity.py
@@ -0,0 +1,47 @@
+"""Entity class for Renson ventilation unit."""
+from __future__ import annotations
+
+from renson_endura_delta.field_enum import (
+    DEVICE_NAME_FIELD,
+    FIRMWARE_VERSION_FIELD,
+    HARDWARE_VERSION_FIELD,
+    MAC_ADDRESS,
+)
+from renson_endura_delta.renson import RensonVentilation
+
+from homeassistant.helpers.entity import DeviceInfo
+from homeassistant.helpers.update_coordinator import CoordinatorEntity
+
+from . import RensonCoordinator
+from .const import DOMAIN
+
+
+class RensonEntity(CoordinatorEntity):
+    """Renson entity."""
+
+    def __init__(
+        self, name: str, api: RensonVentilation, coordinator: RensonCoordinator
+    ) -> None:
+        """Initialize the Renson entity."""
+        super().__init__(coordinator)
+
+        self._attr_device_info = DeviceInfo(
+            identifiers={
+                (DOMAIN, api.get_field_value(coordinator.data, MAC_ADDRESS.name))
+            },
+            manufacturer="Renson",
+            model=api.get_field_value(coordinator.data, DEVICE_NAME_FIELD.name),
+            name="Ventilation",
+            sw_version=api.get_field_value(
+                coordinator.data, FIRMWARE_VERSION_FIELD.name
+            ),
+            hw_version=api.get_field_value(
+                coordinator.data, HARDWARE_VERSION_FIELD.name
+            ),
+        )
+
+        self.api = api
+
+        self._attr_unique_id = (
+            api.get_field_value(coordinator.data, MAC_ADDRESS.name) + f"{name}"
+        )
diff --git a/homeassistant/components/renson/manifest.json b/homeassistant/components/renson/manifest.json
new file mode 100644
index 00000000000..5ff219cc26c
--- /dev/null
+++ b/homeassistant/components/renson/manifest.json
@@ -0,0 +1,9 @@
+{
+  "domain": "renson",
+  "name": "Renson",
+  "codeowners": ["@jimmyd-be"],
+  "config_flow": true,
+  "documentation": "https://www.home-assistant.io/integrations/renson",
+  "iot_class": "local_polling",
+  "requirements": ["renson-endura-delta==1.5.0"]
+}
diff --git a/homeassistant/components/renson/sensor.py b/homeassistant/components/renson/sensor.py
new file mode 100644
index 00000000000..dc9f69c2914
--- /dev/null
+++ b/homeassistant/components/renson/sensor.py
@@ -0,0 +1,317 @@
+"""Sensor data of the Renson ventilation unit."""
+from __future__ import annotations
+
+from dataclasses import dataclass
+
+from renson_endura_delta.field_enum import (
+    AIR_QUALITY_FIELD,
+    BREEZE_LEVEL_FIELD,
+    BREEZE_TEMPERATURE_FIELD,
+    BYPASS_LEVEL_FIELD,
+    BYPASS_TEMPERATURE_FIELD,
+    CO2_FIELD,
+    CO2_HYSTERESIS_FIELD,
+    CO2_QUALITY_FIELD,
+    CO2_THRESHOLD_FIELD,
+    CURRENT_AIRFLOW_EXTRACT_FIELD,
+    CURRENT_AIRFLOW_INGOING_FIELD,
+    CURRENT_LEVEL_FIELD,
+    DAY_POLLUTION_FIELD,
+    DAYTIME_FIELD,
+    FILTER_REMAIN_FIELD,
+    HUMIDITY_FIELD,
+    INDOOR_TEMP_FIELD,
+    MANUAL_LEVEL_FIELD,
+    NIGHT_POLLUTION_FIELD,
+    NIGHTTIME_FIELD,
+    OUTDOOR_TEMP_FIELD,
+    FieldEnum,
+)
+from renson_endura_delta.renson import RensonVentilation
+
+from homeassistant.components.sensor import (
+    SensorDeviceClass,
+    SensorEntity,
+    SensorEntityDescription,
+    SensorStateClass,
+)
+from homeassistant.config_entries import ConfigEntry
+from homeassistant.const import (
+    CONCENTRATION_PARTS_PER_MILLION,
+    PERCENTAGE,
+    UnitOfTemperature,
+    UnitOfTime,
+    UnitOfVolumeFlowRate,
+)
+from homeassistant.core import HomeAssistant, callback
+from homeassistant.helpers.entity_platform import AddEntitiesCallback
+
+from . import RensonCoordinator
+from .const import DOMAIN
+from .entity import RensonEntity
+
+
+@dataclass
+class RensonSensorEntityDescriptionMixin:
+    """Mixin for required keys."""
+
+    field: FieldEnum
+    raw_format: bool
+
+
+@dataclass
+class RensonSensorEntityDescription(
+    SensorEntityDescription, RensonSensorEntityDescriptionMixin
+):
+    """Description of sensor."""
+
+
+SENSORS: tuple[RensonSensorEntityDescription, ...] = (
+    RensonSensorEntityDescription(
+        key="CO2_QUALITY_FIELD",
+        name="CO2 quality category",
+        field=CO2_QUALITY_FIELD,
+        raw_format=False,
+        device_class=SensorDeviceClass.ENUM,
+        options=["good", "bad", "poor"],
+    ),
+    RensonSensorEntityDescription(
+        key="AIR_QUALITY_FIELD",
+        name="Air quality category",
+        field=AIR_QUALITY_FIELD,
+        raw_format=False,
+        device_class=SensorDeviceClass.ENUM,
+        options=["good", "bad", "poor"],
+    ),
+    RensonSensorEntityDescription(
+        key="CO2_FIELD",
+        name="CO2 quality",
+        field=CO2_FIELD,
+        raw_format=True,
+        state_class=SensorStateClass.MEASUREMENT,
+        device_class=SensorDeviceClass.CO2,
+        native_unit_of_measurement=CONCENTRATION_PARTS_PER_MILLION,
+    ),
+    RensonSensorEntityDescription(
+        key="AIR_FIELD",
+        name="Air quality",
+        field=AIR_QUALITY_FIELD,
+        state_class=SensorStateClass.MEASUREMENT,
+        raw_format=True,
+        native_unit_of_measurement=CONCENTRATION_PARTS_PER_MILLION,
+    ),
+    RensonSensorEntityDescription(
+        key="CURRENT_LEVEL_FIELD",
+        name="Ventilation level",
+        field=CURRENT_LEVEL_FIELD,
+        raw_format=False,
+        device_class=SensorDeviceClass.ENUM,
+        options=["Off", "Level1", "Level2", "Level3", "Level4", "Breeze", "Holiday"],
+    ),
+    RensonSensorEntityDescription(
+        key="CURRENT_AIRFLOW_EXTRACT_FIELD",
+        name="Total airflow out",
+        field=CURRENT_AIRFLOW_EXTRACT_FIELD,
+        raw_format=False,
+        state_class=SensorStateClass.MEASUREMENT,
+        native_unit_of_measurement=UnitOfVolumeFlowRate.CUBIC_METERS_PER_HOUR,
+    ),
+    RensonSensorEntityDescription(
+        key="CURRENT_AIRFLOW_INGOING_FIELD",
+        name="Total airflow in",
+        field=CURRENT_AIRFLOW_INGOING_FIELD,
+        raw_format=False,
+        state_class=SensorStateClass.MEASUREMENT,
+        native_unit_of_measurement=UnitOfVolumeFlowRate.CUBIC_METERS_PER_HOUR,
+    ),
+    RensonSensorEntityDescription(
+        key="OUTDOOR_TEMP_FIELD",
+        name="Outdoor air temperature",
+        field=OUTDOOR_TEMP_FIELD,
+        raw_format=False,
+        device_class=SensorDeviceClass.TEMPERATURE,
+        state_class=SensorStateClass.MEASUREMENT,
+        native_unit_of_measurement=UnitOfTemperature.CELSIUS,
+    ),
+    RensonSensorEntityDescription(
+        key="INDOOR_TEMP_FIELD",
+        name="Extract air temperature",
+        field=INDOOR_TEMP_FIELD,
+        raw_format=False,
+        device_class=SensorDeviceClass.TEMPERATURE,
+        state_class=SensorStateClass.MEASUREMENT,
+        native_unit_of_measurement=UnitOfTemperature.CELSIUS,
+    ),
+    RensonSensorEntityDescription(
+        key="FILTER_REMAIN_FIELD",
+        name="Filter change",
+        field=FILTER_REMAIN_FIELD,
+        raw_format=False,
+        device_class=SensorDeviceClass.DURATION,
+        state_class=SensorStateClass.MEASUREMENT,
+        native_unit_of_measurement=UnitOfTime.DAYS,
+    ),
+    RensonSensorEntityDescription(
+        key="HUMIDITY_FIELD",
+        name="Relative humidity",
+        field=HUMIDITY_FIELD,
+        raw_format=False,
+        device_class=SensorDeviceClass.HUMIDITY,
+        state_class=SensorStateClass.MEASUREMENT,
+        native_unit_of_measurement=PERCENTAGE,
+    ),
+    RensonSensorEntityDescription(
+        key="MANUAL_LEVEL_FIELD",
+        name="Manual level",
+        field=MANUAL_LEVEL_FIELD,
+        raw_format=False,
+        device_class=SensorDeviceClass.ENUM,
+        options=["Off", "Level1", "Level2", "Level3", "Level4", "Breeze", "Holiday"],
+    ),
+    RensonSensorEntityDescription(
+        key="BREEZE_TEMPERATURE_FIELD",
+        name="Breeze temperature",
+        field=BREEZE_TEMPERATURE_FIELD,
+        raw_format=False,
+        device_class=SensorDeviceClass.TEMPERATURE,
+        native_unit_of_measurement=UnitOfTemperature.CELSIUS,
+        entity_registry_enabled_default=False,
+    ),
+    RensonSensorEntityDescription(
+        key="BREEZE_LEVEL_FIELD",
+        name="Breeze level",
+        field=BREEZE_LEVEL_FIELD,
+        raw_format=False,
+        entity_registry_enabled_default=False,
+        device_class=SensorDeviceClass.ENUM,
+        options=["Off", "Level1", "Level2", "Level3", "Level4", "Breeze"],
+    ),
+    RensonSensorEntityDescription(
+        key="DAYTIME_FIELD",
+        name="Start day time",
+        field=DAYTIME_FIELD,
+        raw_format=False,
+        entity_registry_enabled_default=False,
+    ),
+    RensonSensorEntityDescription(
+        key="NIGHTTIME_FIELD",
+        name="Start night time",
+        field=NIGHTTIME_FIELD,
+        raw_format=False,
+        entity_registry_enabled_default=False,
+    ),
+    RensonSensorEntityDescription(
+        key="DAY_POLLUTION_FIELD",
+        name="Day pollution level",
+        field=DAY_POLLUTION_FIELD,
+        raw_format=False,
+        entity_registry_enabled_default=False,
+        device_class=SensorDeviceClass.ENUM,
+        options=[
+            "Level1",
+            "Level2",
+            "Level3",
+            "Level4",
+        ],
+    ),
+    RensonSensorEntityDescription(
+        key="NIGHT_POLLUTION_FIELD",
+        name="Night pollution level",
+        field=NIGHT_POLLUTION_FIELD,
+        raw_format=False,
+        entity_registry_enabled_default=False,
+        device_class=SensorDeviceClass.ENUM,
+        options=[
+            "Level1",
+            "Level2",
+            "Level3",
+            "Level4",
+        ],
+    ),
+    RensonSensorEntityDescription(
+        key="CO2_THRESHOLD_FIELD",
+        name="CO2 threshold",
+        field=CO2_THRESHOLD_FIELD,
+        raw_format=False,
+        native_unit_of_measurement=CONCENTRATION_PARTS_PER_MILLION,
+        entity_registry_enabled_default=False,
+    ),
+    RensonSensorEntityDescription(
+        key="CO2_HYSTERESIS_FIELD",
+        name="CO2 hysteresis",
+        field=CO2_HYSTERESIS_FIELD,
+        raw_format=False,
+        native_unit_of_measurement=CONCENTRATION_PARTS_PER_MILLION,
+        entity_registry_enabled_default=False,
+    ),
+    RensonSensorEntityDescription(
+        key="BYPASS_TEMPERATURE_FIELD",
+        name="Bypass activation temperature",
+        field=BYPASS_TEMPERATURE_FIELD,
+        raw_format=False,
+        device_class=SensorDeviceClass.TEMPERATURE,
+        state_class=SensorStateClass.MEASUREMENT,
+        native_unit_of_measurement=UnitOfTemperature.CELSIUS,
+    ),
+    RensonSensorEntityDescription(
+        key="BYPASS_LEVEL_FIELD",
+        name="Bypass level",
+        field=BYPASS_LEVEL_FIELD,
+        raw_format=False,
+        device_class=SensorDeviceClass.POWER_FACTOR,
+        state_class=SensorStateClass.MEASUREMENT,
+        native_unit_of_measurement=PERCENTAGE,
+    ),
+)
+
+
+class RensonSensor(RensonEntity, SensorEntity):
+    """Get a sensor data from the Renson API and store it in the state of the class."""
+
+    def __init__(
+        self,
+        description: RensonSensorEntityDescription,
+        api: RensonVentilation,
+        coordinator: RensonCoordinator,
+    ) -> None:
+        """Initialize class."""
+        super().__init__(description.key, api, coordinator)
+
+        self.field = description.field
+        self.entity_description = description
+
+        self.data_type = description.field.field_type
+        self.raw_format = description.raw_format
+
+    @callback
+    def _handle_coordinator_update(self) -> None:
+        """Handle updated data from the coordinator."""
+        all_data = self.coordinator.data
+
+        value = self.api.get_field_value(all_data, self.field.name)
+
+        if self.raw_format:
+            self._attr_native_value = value
+        else:
+            self._attr_native_value = self.api.parse_value(value, self.data_type)
+
+        self.async_write_ha_state()
+
+
+async def async_setup_entry(
+    hass: HomeAssistant,
+    config_entry: ConfigEntry,
+    async_add_entities: AddEntitiesCallback,
+) -> None:
+    """Set up the Renson sensor platform."""
+
+    api: RensonVentilation = hass.data[DOMAIN][config_entry.entry_id].api
+    coordinator: RensonCoordinator = hass.data[DOMAIN][
+        config_entry.entry_id
+    ].coordinator
+
+    entities: list = []
+    for description in SENSORS:
+        entities.append(RensonSensor(description, api, coordinator))
+
+    async_add_entities(entities)
diff --git a/homeassistant/components/renson/strings.json b/homeassistant/components/renson/strings.json
new file mode 100644
index 00000000000..16c5de158a9
--- /dev/null
+++ b/homeassistant/components/renson/strings.json
@@ -0,0 +1,15 @@
+{
+  "config": {
+    "step": {
+      "user": {
+        "data": {
+          "host": "[%key:common::config_flow::data::host%]"
+        }
+      }
+    },
+    "error": {
+      "cannot_connect": "[%key:common::config_flow::error::cannot_connect%]",
+      "unknown": "[%key:common::config_flow::error::unknown%]"
+    }
+  }
+}
diff --git a/homeassistant/generated/config_flows.py b/homeassistant/generated/config_flows.py
index f938bdfd8d1..96cb74cb316 100644
--- a/homeassistant/generated/config_flows.py
+++ b/homeassistant/generated/config_flows.py
@@ -365,6 +365,7 @@ FLOWS = {
         "rdw",
         "recollect_waste",
         "renault",
+        "renson",
         "reolink",
         "rfxtrx",
         "rhasspy",
diff --git a/homeassistant/generated/integrations.json b/homeassistant/generated/integrations.json
index 2203819cc85..044bb8fec68 100644
--- a/homeassistant/generated/integrations.json
+++ b/homeassistant/generated/integrations.json
@@ -4557,6 +4557,12 @@
       "config_flow": true,
       "iot_class": "cloud_polling"
     },
+    "renson": {
+      "name": "Renson",
+      "integration_type": "hub",
+      "config_flow": true,
+      "iot_class": "local_polling"
+    },
     "reolink": {
       "name": "Reolink IP NVR/camera",
       "integration_type": "hub",
diff --git a/requirements_all.txt b/requirements_all.txt
index ce7bce75f11..84bc7e6cf90 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -2264,6 +2264,9 @@ regenmaschine==2023.05.1
 # homeassistant.components.renault
 renault-api==0.1.13
 
+# homeassistant.components.renson
+renson-endura-delta==1.5.0
+
 # homeassistant.components.reolink
 reolink-aio==0.6.0
 
diff --git a/requirements_test_all.txt b/requirements_test_all.txt
index c3faf412388..dbc0c5d7e83 100644
--- a/requirements_test_all.txt
+++ b/requirements_test_all.txt
@@ -1651,6 +1651,9 @@ regenmaschine==2023.05.1
 # homeassistant.components.renault
 renault-api==0.1.13
 
+# homeassistant.components.renson
+renson-endura-delta==1.5.0
+
 # homeassistant.components.reolink
 reolink-aio==0.6.0
 
diff --git a/tests/components/renson/__init__.py b/tests/components/renson/__init__.py
new file mode 100644
index 00000000000..fa2bbe6b4a0
--- /dev/null
+++ b/tests/components/renson/__init__.py
@@ -0,0 +1 @@
+"""Tests for the Renson integration."""
diff --git a/tests/components/renson/test_config_flow.py b/tests/components/renson/test_config_flow.py
new file mode 100644
index 00000000000..6b9f54cd454
--- /dev/null
+++ b/tests/components/renson/test_config_flow.py
@@ -0,0 +1,80 @@
+"""Test the Renson config flow."""
+from unittest.mock import patch
+
+from homeassistant import config_entries
+from homeassistant.components.renson.const import DOMAIN
+from homeassistant.core import HomeAssistant
+from homeassistant.data_entry_flow import RESULT_TYPE_CREATE_ENTRY, RESULT_TYPE_FORM
+
+
+async def test_form(hass: HomeAssistant) -> None:
+    """Test we get the form."""
+    result = await hass.config_entries.flow.async_init(
+        DOMAIN, context={"source": config_entries.SOURCE_USER}
+    )
+    assert result["type"] == RESULT_TYPE_FORM
+    assert result["errors"] is None
+
+    with patch(
+        "homeassistant.components.renson.config_flow.renson",
+        return_value={"title": "Renson"},
+    ), patch(
+        "homeassistant.components.renson.async_setup_entry",
+        return_value=True,
+    ) as mock_setup_entry:
+        result2 = await hass.config_entries.flow.async_configure(
+            result["flow_id"],
+            {
+                "host": "1.1.1.1",
+            },
+        )
+        await hass.async_block_till_done()
+
+    assert result2["type"] == RESULT_TYPE_CREATE_ENTRY
+    assert result2["title"] == "Renson"
+    assert result2["data"] == {
+        "host": "1.1.1.1",
+    }
+    assert len(mock_setup_entry.mock_calls) == 1
+
+
+async def test_form_cannot_connect(hass: HomeAssistant) -> None:
+    """Test we handle cannot connect error."""
+    result = await hass.config_entries.flow.async_init(
+        DOMAIN, context={"source": config_entries.SOURCE_USER}
+    )
+
+    with patch(
+        "homeassistant.components.renson.config_flow.renson.RensonVentilation.connect",
+        return_value=False,
+    ):
+        result2 = await hass.config_entries.flow.async_configure(
+            result["flow_id"],
+            {
+                "host": "1.1.1.1",
+            },
+        )
+
+    assert result2["type"] == RESULT_TYPE_FORM
+    assert result2["errors"] == {"base": "cannot_connect"}
+
+
+async def test_form_unknown(hass: HomeAssistant) -> None:
+    """Test we handle unknown error."""
+    result = await hass.config_entries.flow.async_init(
+        DOMAIN, context={"source": config_entries.SOURCE_USER}
+    )
+
+    with patch(
+        "homeassistant.components.renson.config_flow.renson.RensonVentilation.connect",
+        side_effect=ValueError,
+    ):
+        result2 = await hass.config_entries.flow.async_configure(
+            result["flow_id"],
+            {
+                "host": "1.1.1.1",
+            },
+        )
+
+    assert result2["type"] == RESULT_TYPE_FORM
+    assert result2["errors"] == {"base": "unknown"}