diff --git a/homeassistant/components/tado/__init__.py b/homeassistant/components/tado/__init__.py
index ab64183a142..228ac48bcb2 100644
--- a/homeassistant/components/tado/__init__.py
+++ b/homeassistant/components/tado/__init__.py
@@ -168,7 +168,7 @@ class TadoConnector:
         self._password = password
         self._fallback = fallback
 
-        self.device_id = None
+        self.home_id = None
         self.tado = None
         self.zones = None
         self.devices = None
@@ -188,7 +188,7 @@ class TadoConnector:
         # Load zones and devices
         self.zones = self.tado.getZones()
         self.devices = self.tado.getDevices()
-        self.device_id = self.tado.getMe()["homes"][0]["id"]
+        self.home_id = self.tado.getMe()["homes"][0]["id"]
 
     @Throttle(MIN_TIME_BETWEEN_UPDATES)
     def update(self):
@@ -218,14 +218,14 @@ class TadoConnector:
 
         _LOGGER.debug(
             "Dispatching update to %s %s %s: %s",
-            self.device_id,
+            self.home_id,
             sensor_type,
             sensor,
             data,
         )
         dispatcher_send(
             self.hass,
-            SIGNAL_TADO_UPDATE_RECEIVED.format(self.device_id, sensor_type, sensor),
+            SIGNAL_TADO_UPDATE_RECEIVED.format(self.home_id, sensor_type, sensor),
         )
 
     def get_capabilities(self, zone_id):
diff --git a/homeassistant/components/tado/binary_sensor.py b/homeassistant/components/tado/binary_sensor.py
index 852ff6ae544..279633b07b1 100644
--- a/homeassistant/components/tado/binary_sensor.py
+++ b/homeassistant/components/tado/binary_sensor.py
@@ -63,7 +63,7 @@ class TadoDeviceSensor(TadoDeviceEntity, BinarySensorEntity):
 
         self.device_variable = device_variable
 
-        self._unique_id = f"{device_variable} {self.device_id} {tado.device_id}"
+        self._unique_id = f"{device_variable} {self.device_id} {tado.home_id}"
 
         self._state = None
 
@@ -74,7 +74,7 @@ class TadoDeviceSensor(TadoDeviceEntity, BinarySensorEntity):
             async_dispatcher_connect(
                 self.hass,
                 SIGNAL_TADO_UPDATE_RECEIVED.format(
-                    self._tado.device_id, "device", self.device_id
+                    self._tado.home_id, "device", self.device_id
                 ),
                 self._async_update_callback,
             )
diff --git a/homeassistant/components/tado/climate.py b/homeassistant/components/tado/climate.py
index 438b7a21394..423205f15b2 100644
--- a/homeassistant/components/tado/climate.py
+++ b/homeassistant/components/tado/climate.py
@@ -203,11 +203,11 @@ class TadoClimate(TadoZoneEntity, ClimateEntity):
     ):
         """Initialize of Tado climate entity."""
         self._tado = tado
-        super().__init__(zone_name, tado.device_id, zone_id)
+        super().__init__(zone_name, tado.home_id, zone_id)
 
         self.zone_id = zone_id
         self.zone_type = zone_type
-        self._unique_id = f"{zone_type} {zone_id} {tado.device_id}"
+        self._unique_id = f"{zone_type} {zone_id} {tado.home_id}"
 
         self._ac_device = zone_type == TYPE_AIR_CONDITIONING
         self._supported_hvac_modes = supported_hvac_modes
@@ -245,7 +245,7 @@ class TadoClimate(TadoZoneEntity, ClimateEntity):
             async_dispatcher_connect(
                 self.hass,
                 SIGNAL_TADO_UPDATE_RECEIVED.format(
-                    self._tado.device_id, "zone", self.zone_id
+                    self._tado.home_id, "zone", self.zone_id
                 ),
                 self._async_update_callback,
             )
diff --git a/homeassistant/components/tado/entity.py b/homeassistant/components/tado/entity.py
index fa2ce2f3aff..03900fdeeb5 100644
--- a/homeassistant/components/tado/entity.py
+++ b/homeassistant/components/tado/entity.py
@@ -35,10 +35,10 @@ class TadoDeviceEntity(Entity):
 class TadoZoneEntity(Entity):
     """Base implementation for Tado zone."""
 
-    def __init__(self, zone_name, device_id, zone_id):
+    def __init__(self, zone_name, home_id, zone_id):
         """Initialize a Tado zone."""
         super().__init__()
-        self._device_zone_id = f"{device_id}_{zone_id}"
+        self._device_zone_id = f"{home_id}_{zone_id}"
         self.zone_name = zone_name
 
     @property
diff --git a/homeassistant/components/tado/sensor.py b/homeassistant/components/tado/sensor.py
index a937aea25e4..4e8f69b17c8 100644
--- a/homeassistant/components/tado/sensor.py
+++ b/homeassistant/components/tado/sensor.py
@@ -78,12 +78,12 @@ class TadoZoneSensor(TadoZoneEntity, Entity):
     def __init__(self, tado, zone_name, zone_id, zone_variable):
         """Initialize of the Tado Sensor."""
         self._tado = tado
-        super().__init__(zone_name, tado.device_id, zone_id)
+        super().__init__(zone_name, tado.home_id, zone_id)
 
         self.zone_id = zone_id
         self.zone_variable = zone_variable
 
-        self._unique_id = f"{zone_variable} {zone_id} {tado.device_id}"
+        self._unique_id = f"{zone_variable} {zone_id} {tado.home_id}"
 
         self._state = None
         self._state_attributes = None
@@ -96,7 +96,7 @@ class TadoZoneSensor(TadoZoneEntity, Entity):
             async_dispatcher_connect(
                 self.hass,
                 SIGNAL_TADO_UPDATE_RECEIVED.format(
-                    self._tado.device_id, "zone", self.zone_id
+                    self._tado.home_id, "zone", self.zone_id
                 ),
                 self._async_update_callback,
             )
diff --git a/homeassistant/components/tado/water_heater.py b/homeassistant/components/tado/water_heater.py
index 2755d14a3a3..3fcdb6426fb 100644
--- a/homeassistant/components/tado/water_heater.py
+++ b/homeassistant/components/tado/water_heater.py
@@ -133,10 +133,10 @@ class TadoWaterHeater(TadoZoneEntity, WaterHeaterEntity):
         """Initialize of Tado water heater entity."""
 
         self._tado = tado
-        super().__init__(zone_name, tado.device_id, zone_id)
+        super().__init__(zone_name, tado.home_id, zone_id)
 
         self.zone_id = zone_id
-        self._unique_id = f"{zone_id} {tado.device_id}"
+        self._unique_id = f"{zone_id} {tado.home_id}"
 
         self._device_is_active = False
 
@@ -161,7 +161,7 @@ class TadoWaterHeater(TadoZoneEntity, WaterHeaterEntity):
             async_dispatcher_connect(
                 self.hass,
                 SIGNAL_TADO_UPDATE_RECEIVED.format(
-                    self._tado.device_id, "zone", self.zone_id
+                    self._tado.home_id, "zone", self.zone_id
                 ),
                 self._async_update_callback,
             )