diff --git a/.coveragerc b/.coveragerc
index 0cd78a5eaa6..d7048e4288f 100644
--- a/.coveragerc
+++ b/.coveragerc
@@ -73,6 +73,10 @@ omit =
     homeassistant/components/apple_tv/browse_media.py
     homeassistant/components/apple_tv/media_player.py
     homeassistant/components/apple_tv/remote.py
+    homeassistant/components/aprilaire/__init__.py
+    homeassistant/components/aprilaire/climate.py
+    homeassistant/components/aprilaire/coordinator.py
+    homeassistant/components/aprilaire/entity.py
     homeassistant/components/aqualogic/*
     homeassistant/components/aquostv/media_player.py
     homeassistant/components/arcam_fmj/__init__.py
diff --git a/CODEOWNERS b/CODEOWNERS
index ed8a245266a..b691457f066 100644
--- a/CODEOWNERS
+++ b/CODEOWNERS
@@ -104,6 +104,8 @@ build.json @home-assistant/supervisor
 /tests/components/application_credentials/ @home-assistant/core
 /homeassistant/components/apprise/ @caronc
 /tests/components/apprise/ @caronc
+/homeassistant/components/aprilaire/ @chamberlain2007
+/tests/components/aprilaire/ @chamberlain2007
 /homeassistant/components/aprs/ @PhilRW
 /tests/components/aprs/ @PhilRW
 /homeassistant/components/aranet/ @aschmitz @thecode
diff --git a/homeassistant/components/aprilaire/__init__.py b/homeassistant/components/aprilaire/__init__.py
new file mode 100644
index 00000000000..b5aeea2a55c
--- /dev/null
+++ b/homeassistant/components/aprilaire/__init__.py
@@ -0,0 +1,69 @@
+"""The Aprilaire integration."""
+
+from __future__ import annotations
+
+import logging
+
+from pyaprilaire.const import Attribute
+
+from homeassistant.config_entries import ConfigEntry
+from homeassistant.const import CONF_HOST, CONF_PORT, EVENT_HOMEASSISTANT_STOP, Platform
+from homeassistant.core import Event, HomeAssistant
+from homeassistant.exceptions import ConfigEntryAuthFailed, ConfigEntryNotReady
+from homeassistant.helpers.device_registry import format_mac
+
+from .const import DOMAIN
+from .coordinator import AprilaireCoordinator
+
+PLATFORMS: list[Platform] = [Platform.CLIMATE]
+
+_LOGGER = logging.getLogger(__name__)
+
+
+async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
+    """Set up a config entry for Aprilaire."""
+
+    host = entry.data[CONF_HOST]
+    port = entry.data[CONF_PORT]
+
+    coordinator = AprilaireCoordinator(hass, entry.unique_id, host, port)
+    await coordinator.start_listen()
+
+    hass.data.setdefault(DOMAIN, {})[entry.unique_id] = coordinator
+
+    async def ready_callback(ready: bool):
+        if ready:
+            mac_address = format_mac(coordinator.data[Attribute.MAC_ADDRESS])
+
+            if mac_address != entry.unique_id:
+                raise ConfigEntryAuthFailed("Invalid MAC address")
+
+            await hass.config_entries.async_forward_entry_setups(entry, PLATFORMS)
+
+            async def _async_close(_: Event) -> None:
+                coordinator.stop_listen()
+
+            entry.async_on_unload(
+                hass.bus.async_listen_once(EVENT_HOMEASSISTANT_STOP, _async_close)
+            )
+        else:
+            _LOGGER.error("Failed to wait for ready")
+
+            coordinator.stop_listen()
+
+            raise ConfigEntryNotReady()
+
+    await coordinator.wait_for_ready(ready_callback)
+
+    return True
+
+
+async def async_unload_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
+    """Unload a config entry."""
+    unload_ok = await hass.config_entries.async_unload_platforms(entry, PLATFORMS)
+
+    if unload_ok:
+        coordinator: AprilaireCoordinator = hass.data[DOMAIN].pop(entry.unique_id)
+        coordinator.stop_listen()
+
+    return unload_ok
diff --git a/homeassistant/components/aprilaire/climate.py b/homeassistant/components/aprilaire/climate.py
new file mode 100644
index 00000000000..96c1e1ac981
--- /dev/null
+++ b/homeassistant/components/aprilaire/climate.py
@@ -0,0 +1,302 @@
+"""The Aprilaire climate component."""
+
+from __future__ import annotations
+
+from typing import Any
+
+from pyaprilaire.const import Attribute
+
+from homeassistant.components.climate import (
+    FAN_AUTO,
+    FAN_ON,
+    PRESET_AWAY,
+    PRESET_NONE,
+    ClimateEntity,
+    ClimateEntityFeature,
+    HVACAction,
+    HVACMode,
+)
+from homeassistant.config_entries import ConfigEntry
+from homeassistant.const import PRECISION_HALVES, PRECISION_WHOLE, UnitOfTemperature
+from homeassistant.core import HomeAssistant
+from homeassistant.helpers.entity_platform import AddEntitiesCallback
+
+from .const import (
+    DOMAIN,
+    FAN_CIRCULATE,
+    PRESET_PERMANENT_HOLD,
+    PRESET_TEMPORARY_HOLD,
+    PRESET_VACATION,
+)
+from .coordinator import AprilaireCoordinator
+from .entity import BaseAprilaireEntity
+
+HVAC_MODE_MAP = {
+    1: HVACMode.OFF,
+    2: HVACMode.HEAT,
+    3: HVACMode.COOL,
+    4: HVACMode.HEAT,
+    5: HVACMode.AUTO,
+}
+
+HVAC_MODES_MAP = {
+    1: [HVACMode.OFF, HVACMode.HEAT],
+    2: [HVACMode.OFF, HVACMode.COOL],
+    3: [HVACMode.OFF, HVACMode.HEAT, HVACMode.COOL],
+    4: [HVACMode.OFF, HVACMode.HEAT, HVACMode.COOL],
+    5: [HVACMode.OFF, HVACMode.HEAT, HVACMode.COOL, HVACMode.AUTO],
+    6: [HVACMode.OFF, HVACMode.HEAT, HVACMode.COOL, HVACMode.AUTO],
+}
+
+PRESET_MODE_MAP = {
+    1: PRESET_TEMPORARY_HOLD,
+    2: PRESET_PERMANENT_HOLD,
+    3: PRESET_AWAY,
+    4: PRESET_VACATION,
+}
+
+FAN_MODE_MAP = {
+    1: FAN_ON,
+    2: FAN_AUTO,
+    3: FAN_CIRCULATE,
+}
+
+
+async def async_setup_entry(
+    hass: HomeAssistant,
+    config_entry: ConfigEntry,
+    async_add_entities: AddEntitiesCallback,
+) -> None:
+    """Add climates for passed config_entry in HA."""
+
+    coordinator: AprilaireCoordinator = hass.data[DOMAIN][config_entry.unique_id]
+
+    async_add_entities([AprilaireClimate(coordinator, config_entry.unique_id)])
+
+
+class AprilaireClimate(BaseAprilaireEntity, ClimateEntity):
+    """Climate entity for Aprilaire."""
+
+    _attr_fan_modes = [FAN_AUTO, FAN_ON, FAN_CIRCULATE]
+    _attr_min_humidity = 10
+    _attr_max_humidity = 50
+    _attr_temperature_unit = UnitOfTemperature.CELSIUS
+    _attr_translation_key = "thermostat"
+
+    @property
+    def precision(self) -> float:
+        """Get the precision based on the unit."""
+        return (
+            PRECISION_HALVES
+            if self.hass.config.units.temperature_unit == UnitOfTemperature.CELSIUS
+            else PRECISION_WHOLE
+        )
+
+    @property
+    def supported_features(self) -> ClimateEntityFeature:
+        """Get supported features."""
+        features = 0
+
+        if self.coordinator.data.get(Attribute.MODE) == 5:
+            features = features | ClimateEntityFeature.TARGET_TEMPERATURE_RANGE
+        else:
+            features = features | ClimateEntityFeature.TARGET_TEMPERATURE
+
+        if self.coordinator.data.get(Attribute.HUMIDIFICATION_AVAILABLE) == 2:
+            features = features | ClimateEntityFeature.TARGET_HUMIDITY
+
+        features = features | ClimateEntityFeature.PRESET_MODE
+
+        features = features | ClimateEntityFeature.FAN_MODE
+
+        return features
+
+    @property
+    def current_humidity(self) -> int | None:
+        """Get current humidity."""
+        return self.coordinator.data.get(
+            Attribute.INDOOR_HUMIDITY_CONTROLLING_SENSOR_VALUE
+        )
+
+    @property
+    def target_humidity(self) -> int | None:
+        """Get current target humidity."""
+        return self.coordinator.data.get(Attribute.HUMIDIFICATION_SETPOINT)
+
+    @property
+    def hvac_mode(self) -> HVACMode | None:
+        """Get HVAC mode."""
+
+        if mode := self.coordinator.data.get(Attribute.MODE):
+            if hvac_mode := HVAC_MODE_MAP.get(mode):
+                return hvac_mode
+
+        return None
+
+    @property
+    def hvac_modes(self) -> list[HVACMode]:
+        """Get supported HVAC modes."""
+
+        if modes := self.coordinator.data.get(Attribute.THERMOSTAT_MODES):
+            if thermostat_modes := HVAC_MODES_MAP.get(modes):
+                return thermostat_modes
+
+        return []
+
+    @property
+    def hvac_action(self) -> HVACAction | None:
+        """Get the current HVAC action."""
+
+        if self.coordinator.data.get(Attribute.HEATING_EQUIPMENT_STATUS, 0):
+            return HVACAction.HEATING
+
+        if self.coordinator.data.get(Attribute.COOLING_EQUIPMENT_STATUS, 0):
+            return HVACAction.COOLING
+
+        return HVACAction.IDLE
+
+    @property
+    def current_temperature(self) -> float | None:
+        """Get current temperature."""
+        return self.coordinator.data.get(
+            Attribute.INDOOR_TEMPERATURE_CONTROLLING_SENSOR_VALUE
+        )
+
+    @property
+    def target_temperature(self) -> float | None:
+        """Get the target temperature."""
+
+        hvac_mode = self.hvac_mode
+
+        if hvac_mode == HVACMode.COOL:
+            return self.target_temperature_high
+        if hvac_mode == HVACMode.HEAT:
+            return self.target_temperature_low
+
+        return None
+
+    @property
+    def target_temperature_step(self) -> float | None:
+        """Get the step for the target temperature based on the unit."""
+        return (
+            0.5
+            if self.hass.config.units.temperature_unit == UnitOfTemperature.CELSIUS
+            else 1
+        )
+
+    @property
+    def target_temperature_high(self) -> float | None:
+        """Get cool setpoint."""
+        return self.coordinator.data.get(Attribute.COOL_SETPOINT)
+
+    @property
+    def target_temperature_low(self) -> float | None:
+        """Get heat setpoint."""
+        return self.coordinator.data.get(Attribute.HEAT_SETPOINT)
+
+    @property
+    def preset_mode(self) -> str | None:
+        """Get the current preset mode."""
+        if hold := self.coordinator.data.get(Attribute.HOLD):
+            if preset_mode := PRESET_MODE_MAP.get(hold):
+                return preset_mode
+
+        return PRESET_NONE
+
+    @property
+    def preset_modes(self) -> list[str] | None:
+        """Get the supported preset modes."""
+        presets = [PRESET_NONE, PRESET_VACATION]
+
+        if self.coordinator.data.get(Attribute.AWAY_AVAILABLE) == 1:
+            presets.append(PRESET_AWAY)
+
+        hold = self.coordinator.data.get(Attribute.HOLD, 0)
+
+        if hold == 1:
+            presets.append(PRESET_TEMPORARY_HOLD)
+        elif hold == 2:
+            presets.append(PRESET_PERMANENT_HOLD)
+
+        return presets
+
+    @property
+    def fan_mode(self) -> str | None:
+        """Get fan mode."""
+
+        if mode := self.coordinator.data.get(Attribute.FAN_MODE):
+            if fan_mode := FAN_MODE_MAP.get(mode):
+                return fan_mode
+
+        return None
+
+    async def async_set_temperature(self, **kwargs: Any) -> None:
+        """Set new target temperature."""
+
+        cool_setpoint = 0
+        heat_setpoint = 0
+
+        if temperature := kwargs.get("temperature"):
+            if self.coordinator.data.get(Attribute.MODE) == 3:
+                cool_setpoint = temperature
+            else:
+                heat_setpoint = temperature
+        else:
+            if target_temp_low := kwargs.get("target_temp_low"):
+                heat_setpoint = target_temp_low
+            if target_temp_high := kwargs.get("target_temp_high"):
+                cool_setpoint = target_temp_high
+
+        if cool_setpoint == 0 and heat_setpoint == 0:
+            return
+
+        await self.coordinator.client.update_setpoint(cool_setpoint, heat_setpoint)
+
+        await self.coordinator.client.read_control()
+
+    async def async_set_humidity(self, humidity: int) -> None:
+        """Set the target humidification setpoint."""
+
+        await self.coordinator.client.set_humidification_setpoint(humidity)
+
+    async def async_set_fan_mode(self, fan_mode: str) -> None:
+        """Set the fan mode."""
+
+        try:
+            fan_mode_value_index = list(FAN_MODE_MAP.values()).index(fan_mode)
+        except ValueError as exc:
+            raise ValueError(f"Unsupported fan mode {fan_mode}") from exc
+
+        fan_mode_value = list(FAN_MODE_MAP.keys())[fan_mode_value_index]
+
+        await self.coordinator.client.update_fan_mode(fan_mode_value)
+
+        await self.coordinator.client.read_control()
+
+    async def async_set_hvac_mode(self, hvac_mode: HVACMode) -> None:
+        """Set the HVAC mode."""
+
+        try:
+            mode_value_index = list(HVAC_MODE_MAP.values()).index(hvac_mode)
+        except ValueError as exc:
+            raise ValueError(f"Unsupported HVAC mode {hvac_mode}") from exc
+
+        mode_value = list(HVAC_MODE_MAP.keys())[mode_value_index]
+
+        await self.coordinator.client.update_mode(mode_value)
+
+        await self.coordinator.client.read_control()
+
+    async def async_set_preset_mode(self, preset_mode: str) -> None:
+        """Set the preset mode."""
+
+        if preset_mode == PRESET_AWAY:
+            await self.coordinator.client.set_hold(3)
+        elif preset_mode == PRESET_VACATION:
+            await self.coordinator.client.set_hold(4)
+        elif preset_mode == PRESET_NONE:
+            await self.coordinator.client.set_hold(0)
+        else:
+            raise ValueError(f"Unsupported preset mode {preset_mode}")
+
+        await self.coordinator.client.read_scheduling()
diff --git a/homeassistant/components/aprilaire/config_flow.py b/homeassistant/components/aprilaire/config_flow.py
new file mode 100644
index 00000000000..0e38b385450
--- /dev/null
+++ b/homeassistant/components/aprilaire/config_flow.py
@@ -0,0 +1,72 @@
+"""Config flow for the Aprilaire integration."""
+
+from __future__ import annotations
+
+import logging
+from typing import Any
+
+from pyaprilaire.const import Attribute
+import voluptuous as vol
+
+from homeassistant import config_entries
+from homeassistant.const import CONF_HOST, CONF_PORT
+from homeassistant.data_entry_flow import FlowResult
+import homeassistant.helpers.config_validation as cv
+from homeassistant.helpers.device_registry import format_mac
+
+from .const import DOMAIN
+from .coordinator import AprilaireCoordinator
+
+STEP_USER_DATA_SCHEMA = vol.Schema(
+    {
+        vol.Required(CONF_HOST): str,
+        vol.Required(CONF_PORT, default=7000): cv.port,
+    }
+)
+
+_LOGGER = logging.getLogger(__name__)
+
+
+class ConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
+    """Handle a config flow for Aprilaire."""
+
+    VERSION = 1
+
+    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
+            )
+
+        coordinator = AprilaireCoordinator(
+            self.hass, None, user_input[CONF_HOST], user_input[CONF_PORT]
+        )
+        await coordinator.start_listen()
+
+        async def ready_callback(ready: bool):
+            if not ready:
+                _LOGGER.error("Failed to wait for ready")
+
+        try:
+            ready = await coordinator.wait_for_ready(ready_callback)
+        finally:
+            coordinator.stop_listen()
+
+        mac_address = coordinator.data.get(Attribute.MAC_ADDRESS)
+
+        if ready and mac_address is not None:
+            await self.async_set_unique_id(format_mac(mac_address))
+
+            self._abort_if_unique_id_configured()
+
+            return self.async_create_entry(title="Aprilaire", data=user_input)
+
+        return self.async_show_form(
+            step_id="user",
+            data_schema=STEP_USER_DATA_SCHEMA,
+            errors={"base": "connection_failed"},
+        )
diff --git a/homeassistant/components/aprilaire/const.py b/homeassistant/components/aprilaire/const.py
new file mode 100644
index 00000000000..baf92294266
--- /dev/null
+++ b/homeassistant/components/aprilaire/const.py
@@ -0,0 +1,11 @@
+"""Constants for the Aprilaire integration."""
+
+from __future__ import annotations
+
+DOMAIN = "aprilaire"
+
+FAN_CIRCULATE = "Circulate"
+
+PRESET_TEMPORARY_HOLD = "Temporary"
+PRESET_PERMANENT_HOLD = "Permanent"
+PRESET_VACATION = "Vacation"
diff --git a/homeassistant/components/aprilaire/coordinator.py b/homeassistant/components/aprilaire/coordinator.py
new file mode 100644
index 00000000000..7a67dee46a8
--- /dev/null
+++ b/homeassistant/components/aprilaire/coordinator.py
@@ -0,0 +1,209 @@
+"""The Aprilaire coordinator."""
+
+from __future__ import annotations
+
+from collections.abc import Awaitable, Callable
+import logging
+from typing import Any, Optional
+
+import pyaprilaire.client
+from pyaprilaire.const import MODELS, Attribute, FunctionalDomain
+
+from homeassistant.core import CALLBACK_TYPE, HomeAssistant, callback
+import homeassistant.helpers.device_registry as dr
+from homeassistant.helpers.device_registry import DeviceInfo
+from homeassistant.helpers.update_coordinator import BaseDataUpdateCoordinatorProtocol
+
+from .const import DOMAIN
+
+RECONNECT_INTERVAL = 60 * 60
+RETRY_CONNECTION_INTERVAL = 10
+WAIT_TIMEOUT = 30
+
+_LOGGER = logging.getLogger(__name__)
+
+
+class AprilaireCoordinator(BaseDataUpdateCoordinatorProtocol):
+    """Coordinator for interacting with the thermostat."""
+
+    def __init__(
+        self,
+        hass: HomeAssistant,
+        unique_id: str | None,
+        host: str,
+        port: int,
+    ) -> None:
+        """Initialize the coordinator."""
+
+        self.hass = hass
+        self.unique_id = unique_id
+        self.data: dict[str, Any] = {}
+
+        self._listeners: dict[CALLBACK_TYPE, tuple[CALLBACK_TYPE, object | None]] = {}
+
+        self.client = pyaprilaire.client.AprilaireClient(
+            host,
+            port,
+            self.async_set_updated_data,
+            _LOGGER,
+            RECONNECT_INTERVAL,
+            RETRY_CONNECTION_INTERVAL,
+        )
+
+        if hasattr(self.client, "data") and self.client.data:
+            self.data = self.client.data
+
+    @callback
+    def async_add_listener(
+        self, update_callback: CALLBACK_TYPE, context: Any = None
+    ) -> Callable[[], None]:
+        """Listen for data updates."""
+
+        @callback
+        def remove_listener() -> None:
+            """Remove update listener."""
+            self._listeners.pop(remove_listener)
+
+        self._listeners[remove_listener] = (update_callback, context)
+
+        return remove_listener
+
+    @callback
+    def async_update_listeners(self) -> None:
+        """Update all registered listeners."""
+        for update_callback, _ in list(self._listeners.values()):
+            update_callback()
+
+    def async_set_updated_data(self, data: Any) -> None:
+        """Manually update data, notify listeners and reset refresh interval."""
+
+        old_device_info = self.create_device_info(self.data)
+
+        self.data = self.data | data
+
+        self.async_update_listeners()
+
+        new_device_info = self.create_device_info(data)
+
+        if (
+            old_device_info is not None
+            and new_device_info is not None
+            and old_device_info != new_device_info
+        ):
+            device_registry = dr.async_get(self.hass)
+
+            device = device_registry.async_get_device(old_device_info["identifiers"])
+
+            if device is not None:
+                new_device_info.pop("identifiers", None)
+                new_device_info.pop("connections", None)
+
+                device_registry.async_update_device(
+                    device_id=device.id,
+                    **new_device_info,  # type: ignore[misc]
+                )
+
+    async def start_listen(self):
+        """Start listening for data."""
+        await self.client.start_listen()
+
+    def stop_listen(self):
+        """Stop listening for data."""
+        self.client.stop_listen()
+
+    async def wait_for_ready(
+        self, ready_callback: Callable[[bool], Awaitable[bool]]
+    ) -> bool:
+        """Wait for the client to be ready."""
+
+        if not self.data or Attribute.MAC_ADDRESS not in self.data:
+            data = await self.client.wait_for_response(
+                FunctionalDomain.IDENTIFICATION, 2, WAIT_TIMEOUT
+            )
+
+            if not data or Attribute.MAC_ADDRESS not in data:
+                _LOGGER.error("Missing MAC address")
+                await ready_callback(False)
+
+                return False
+
+        if not self.data or Attribute.NAME not in self.data:
+            await self.client.wait_for_response(
+                FunctionalDomain.IDENTIFICATION, 4, WAIT_TIMEOUT
+            )
+
+        if not self.data or Attribute.THERMOSTAT_MODES not in self.data:
+            await self.client.wait_for_response(
+                FunctionalDomain.CONTROL, 7, WAIT_TIMEOUT
+            )
+
+        if (
+            not self.data
+            or Attribute.INDOOR_TEMPERATURE_CONTROLLING_SENSOR_STATUS not in self.data
+        ):
+            await self.client.wait_for_response(
+                FunctionalDomain.SENSORS, 2, WAIT_TIMEOUT
+            )
+
+        await ready_callback(True)
+
+        return True
+
+    @property
+    def device_name(self) -> str:
+        """Get the name of the thermostat."""
+
+        return self.create_device_name(self.data)
+
+    def create_device_name(self, data: Optional[dict[str, Any]]) -> str:
+        """Create the name of the thermostat."""
+
+        name = data.get(Attribute.NAME) if data else None
+
+        return name if name else "Aprilaire"
+
+    def get_hw_version(self, data: dict[str, Any]) -> str:
+        """Get the hardware version."""
+
+        if hardware_revision := data.get(Attribute.HARDWARE_REVISION):
+            return (
+                f"Rev. {chr(hardware_revision)}"
+                if hardware_revision > ord("A")
+                else str(hardware_revision)
+            )
+
+        return "Unknown"
+
+    @property
+    def device_info(self) -> DeviceInfo | None:
+        """Get the device info for the thermostat."""
+        return self.create_device_info(self.data)
+
+    def create_device_info(self, data: dict[str, Any]) -> DeviceInfo | None:
+        """Create the device info for the thermostat."""
+
+        if data is None or Attribute.MAC_ADDRESS not in data or self.unique_id is None:
+            return None
+
+        device_info = DeviceInfo(
+            identifiers={(DOMAIN, self.unique_id)},
+            name=self.create_device_name(data),
+            manufacturer="Aprilaire",
+        )
+
+        model_number = data.get(Attribute.MODEL_NUMBER)
+        if model_number is not None:
+            device_info["model"] = MODELS.get(model_number, f"Unknown ({model_number})")
+
+        device_info["hw_version"] = self.get_hw_version(data)
+
+        firmware_major_revision = data.get(Attribute.FIRMWARE_MAJOR_REVISION)
+        firmware_minor_revision = data.get(Attribute.FIRMWARE_MINOR_REVISION)
+        if firmware_major_revision is not None:
+            device_info["sw_version"] = (
+                str(firmware_major_revision)
+                if firmware_minor_revision is None
+                else f"{firmware_major_revision}.{firmware_minor_revision:02}"
+            )
+
+        return device_info
diff --git a/homeassistant/components/aprilaire/entity.py b/homeassistant/components/aprilaire/entity.py
new file mode 100644
index 00000000000..e2f2bf109ef
--- /dev/null
+++ b/homeassistant/components/aprilaire/entity.py
@@ -0,0 +1,46 @@
+"""Base functionality for Aprilaire entities."""
+
+from __future__ import annotations
+
+import logging
+
+from pyaprilaire.const import Attribute
+
+from homeassistant.helpers.update_coordinator import BaseCoordinatorEntity
+
+from .coordinator import AprilaireCoordinator
+
+_LOGGER = logging.getLogger(__name__)
+
+
+class BaseAprilaireEntity(BaseCoordinatorEntity[AprilaireCoordinator]):
+    """Base for Aprilaire entities."""
+
+    _attr_available = False
+    _attr_has_entity_name = True
+
+    def __init__(
+        self, coordinator: AprilaireCoordinator, unique_id: str | None
+    ) -> None:
+        """Initialize the entity."""
+
+        super().__init__(coordinator)
+
+        self._attr_device_info = coordinator.device_info
+        self._attr_unique_id = f"{unique_id}_{self.translation_key}"
+
+        self._update_available()
+
+    def _update_available(self):
+        """Update the entity availability."""
+
+        connected: bool = self.coordinator.data.get(
+            Attribute.CONNECTED, None
+        ) or self.coordinator.data.get(Attribute.RECONNECTING, None)
+
+        stopped: bool = self.coordinator.data.get(Attribute.STOPPED, None)
+
+        self._attr_available = connected and not stopped
+
+    async def async_update(self) -> None:
+        """Implement abstract base method."""
diff --git a/homeassistant/components/aprilaire/manifest.json b/homeassistant/components/aprilaire/manifest.json
new file mode 100644
index 00000000000..43ba4417638
--- /dev/null
+++ b/homeassistant/components/aprilaire/manifest.json
@@ -0,0 +1,11 @@
+{
+  "domain": "aprilaire",
+  "name": "Aprilaire",
+  "codeowners": ["@chamberlain2007"],
+  "config_flow": true,
+  "documentation": "https://www.home-assistant.io/integrations/aprilaire",
+  "integration_type": "device",
+  "iot_class": "local_push",
+  "loggers": ["pyaprilaire"],
+  "requirements": ["pyaprilaire==0.7.0"]
+}
diff --git a/homeassistant/components/aprilaire/strings.json b/homeassistant/components/aprilaire/strings.json
new file mode 100644
index 00000000000..e996691f21f
--- /dev/null
+++ b/homeassistant/components/aprilaire/strings.json
@@ -0,0 +1,28 @@
+{
+  "config": {
+    "step": {
+      "user": {
+        "data": {
+          "host": "[%key:common::config_flow::data::host%]",
+          "port": "[%key:common::config_flow::data::port%]"
+        },
+        "data_description": {
+          "port": "Usually 7000 or 8000"
+        }
+      }
+    },
+    "error": {
+      "connection_failed": "Connection failed. Please check that the host and port is correct."
+    },
+    "abort": {
+      "already_configured": "[%key:common::config_flow::abort::already_configured_device%]"
+    }
+  },
+  "entity": {
+    "climate": {
+      "thermostat": {
+        "name": "Thermostat"
+      }
+    }
+  }
+}
diff --git a/homeassistant/generated/config_flows.py b/homeassistant/generated/config_flows.py
index bd5ffd8cbbf..4d909f40736 100644
--- a/homeassistant/generated/config_flows.py
+++ b/homeassistant/generated/config_flows.py
@@ -52,6 +52,7 @@ FLOWS = {
         "aosmith",
         "apcupsd",
         "apple_tv",
+        "aprilaire",
         "aranet",
         "arcam_fmj",
         "aseko_pool_live",
diff --git a/homeassistant/generated/integrations.json b/homeassistant/generated/integrations.json
index 676f45f3965..81b3b3b8192 100644
--- a/homeassistant/generated/integrations.json
+++ b/homeassistant/generated/integrations.json
@@ -383,6 +383,12 @@
       "config_flow": false,
       "iot_class": "cloud_push"
     },
+    "aprilaire": {
+      "name": "Aprilaire",
+      "integration_type": "device",
+      "config_flow": true,
+      "iot_class": "local_push"
+    },
     "aprs": {
       "name": "APRS",
       "integration_type": "hub",
diff --git a/requirements_all.txt b/requirements_all.txt
index 1ac270bd5dd..74a0bb5c964 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -1684,6 +1684,9 @@ pyairnow==1.2.1
 # homeassistant.components.airvisual_pro
 pyairvisual==2023.08.1
 
+# homeassistant.components.aprilaire
+pyaprilaire==0.7.0
+
 # homeassistant.components.asuswrt
 pyasuswrt==0.1.21
 
diff --git a/requirements_test_all.txt b/requirements_test_all.txt
index 156973deed3..049a89ee4d9 100644
--- a/requirements_test_all.txt
+++ b/requirements_test_all.txt
@@ -1313,6 +1313,9 @@ pyairnow==1.2.1
 # homeassistant.components.airvisual_pro
 pyairvisual==2023.08.1
 
+# homeassistant.components.aprilaire
+pyaprilaire==0.7.0
+
 # homeassistant.components.asuswrt
 pyasuswrt==0.1.21
 
diff --git a/tests/components/aprilaire/__init__.py b/tests/components/aprilaire/__init__.py
new file mode 100644
index 00000000000..0ebf7fc304c
--- /dev/null
+++ b/tests/components/aprilaire/__init__.py
@@ -0,0 +1 @@
+"""Tests for Aprilaire."""
diff --git a/tests/components/aprilaire/test_config_flow.py b/tests/components/aprilaire/test_config_flow.py
new file mode 100644
index 00000000000..6508379665b
--- /dev/null
+++ b/tests/components/aprilaire/test_config_flow.py
@@ -0,0 +1,112 @@
+"""Tests for the Aprilaire config flow."""
+
+from unittest.mock import AsyncMock, Mock, patch
+
+from pyaprilaire.client import AprilaireClient
+from pyaprilaire.const import FunctionalDomain
+import pytest
+
+from homeassistant.components.aprilaire.config_flow import (
+    STEP_USER_DATA_SCHEMA,
+    ConfigFlow,
+)
+from homeassistant.core import HomeAssistant
+
+
+@pytest.fixture
+def client() -> AprilaireClient:
+    """Return a mock client."""
+    return AsyncMock(AprilaireClient)
+
+
+async def test_user_input_step() -> None:
+    """Test the user input step."""
+
+    show_form_mock = Mock()
+
+    config_flow = ConfigFlow()
+    config_flow.async_show_form = show_form_mock
+
+    await config_flow.async_step_user(None)
+
+    show_form_mock.assert_called_once_with(
+        step_id="user", data_schema=STEP_USER_DATA_SCHEMA
+    )
+
+
+async def test_config_flow_invalid_data(client: AprilaireClient) -> None:
+    """Test that the flow is aborted with invalid data."""
+
+    show_form_mock = Mock()
+    set_unique_id_mock = AsyncMock()
+    async_abort_entries_match_mock = Mock()
+
+    config_flow = ConfigFlow()
+    config_flow.async_show_form = show_form_mock
+    config_flow.async_set_unique_id = set_unique_id_mock
+    config_flow._async_abort_entries_match = async_abort_entries_match_mock
+
+    with patch("pyaprilaire.client.AprilaireClient", return_value=client):
+        await config_flow.async_step_user(
+            {
+                "host": "localhost",
+                "port": 7000,
+            }
+        )
+
+    client.start_listen.assert_called_once()
+    client.wait_for_response.assert_called_once_with(
+        FunctionalDomain.IDENTIFICATION, 2, 30
+    )
+    client.stop_listen.assert_called_once()
+
+    show_form_mock.assert_called_once_with(
+        step_id="user",
+        data_schema=STEP_USER_DATA_SCHEMA,
+        errors={"base": "connection_failed"},
+    )
+
+
+async def test_config_flow_data(client: AprilaireClient, hass: HomeAssistant) -> None:
+    """Test the config flow with valid data."""
+
+    client.data = {"mac_address": "1:2:3:4:5:6"}
+
+    show_form_mock = Mock()
+    set_unique_id_mock = AsyncMock()
+    abort_if_unique_id_configured_mock = Mock()
+    create_entry_mock = Mock()
+
+    config_flow = ConfigFlow()
+    config_flow.hass = hass
+    config_flow.async_show_form = show_form_mock
+    config_flow.async_set_unique_id = set_unique_id_mock
+    config_flow._abort_if_unique_id_configured = abort_if_unique_id_configured_mock
+    config_flow.async_create_entry = create_entry_mock
+
+    client.wait_for_response = AsyncMock(return_value={"mac_address": "1:2:3:4:5:6"})
+
+    with patch("pyaprilaire.client.AprilaireClient", return_value=client):
+        await config_flow.async_step_user(
+            {
+                "host": "localhost",
+                "port": 7000,
+            }
+        )
+
+    client.start_listen.assert_called_once()
+    client.wait_for_response.assert_any_call(FunctionalDomain.IDENTIFICATION, 4, 30)
+    client.wait_for_response.assert_any_call(FunctionalDomain.CONTROL, 7, 30)
+    client.wait_for_response.assert_any_call(FunctionalDomain.SENSORS, 2, 30)
+    client.stop_listen.assert_called_once()
+
+    set_unique_id_mock.assert_called_once_with("1:2:3:4:5:6")
+    abort_if_unique_id_configured_mock.assert_called_once()
+
+    create_entry_mock.assert_called_once_with(
+        title="Aprilaire",
+        data={
+            "host": "localhost",
+            "port": 7000,
+        },
+    )