diff --git a/homeassistant/components/fritzbox/__init__.py b/homeassistant/components/fritzbox/__init__.py
index 16b005359e1..dc200195748 100644
--- a/homeassistant/components/fritzbox/__init__.py
+++ b/homeassistant/components/fritzbox/__init__.py
@@ -1,4 +1,4 @@
-"""Support for AVM Fritz!Box smarthome devices."""
+"""Support for AVM FRITZ!SmartHome devices."""
 from __future__ import annotations
 
 from datetime import timedelta
@@ -28,7 +28,7 @@ from .const import CONF_CONNECTIONS, CONF_COORDINATOR, DOMAIN, LOGGER, PLATFORMS
 
 
 async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
-    """Set up the AVM Fritz!Box platforms."""
+    """Set up the AVM FRITZ!SmartHome platforms."""
     fritz = Fritzhome(
         host=entry.data[CONF_HOST],
         user=entry.data[CONF_USERNAME],
@@ -93,7 +93,7 @@ async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
 
 
 async def async_unload_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
-    """Unloading the AVM Fritz!Box platforms."""
+    """Unloading the AVM FRITZ!SmartHome platforms."""
     fritz = hass.data[DOMAIN][entry.entry_id][CONF_CONNECTIONS]
     await hass.async_add_executor_job(fritz.logout)
 
diff --git a/homeassistant/components/fritzbox/binary_sensor.py b/homeassistant/components/fritzbox/binary_sensor.py
index 993e10c11d7..807ca41ca64 100644
--- a/homeassistant/components/fritzbox/binary_sensor.py
+++ b/homeassistant/components/fritzbox/binary_sensor.py
@@ -20,7 +20,7 @@ from .const import CONF_COORDINATOR, DOMAIN as FRITZBOX_DOMAIN
 async def async_setup_entry(
     hass: HomeAssistant, entry: ConfigEntry, async_add_entities: AddEntitiesCallback
 ) -> None:
-    """Set up the Fritzbox binary sensor from ConfigEntry."""
+    """Set up the FRITZ!SmartHome binary sensor from ConfigEntry."""
     entities = []
     coordinator = hass.data[FRITZBOX_DOMAIN][entry.entry_id][CONF_COORDINATOR]
 
@@ -45,7 +45,7 @@ async def async_setup_entry(
 
 
 class FritzboxBinarySensor(FritzBoxEntity, BinarySensorEntity):
-    """Representation of a binary Fritzbox device."""
+    """Representation of a binary FRITZ!SmartHome device."""
 
     @property
     def is_on(self):
diff --git a/homeassistant/components/fritzbox/climate.py b/homeassistant/components/fritzbox/climate.py
index 991f57a4269..947a95a7a5b 100644
--- a/homeassistant/components/fritzbox/climate.py
+++ b/homeassistant/components/fritzbox/climate.py
@@ -1,4 +1,4 @@
-"""Support for AVM Fritz!Box smarthome thermostate devices."""
+"""Support for AVM FRITZ!SmartHome thermostate devices."""
 from homeassistant.components.climate import ClimateEntity
 from homeassistant.components.climate.const import (
     ATTR_HVAC_MODE,
@@ -54,7 +54,7 @@ OFF_REPORT_SET_TEMPERATURE = 0.0
 async def async_setup_entry(
     hass: HomeAssistant, entry: ConfigEntry, async_add_entities: AddEntitiesCallback
 ) -> None:
-    """Set up the Fritzbox smarthome thermostat from ConfigEntry."""
+    """Set up the FRITZ!SmartHome thermostat from ConfigEntry."""
     entities = []
     coordinator = hass.data[FRITZBOX_DOMAIN][entry.entry_id][CONF_COORDINATOR]
 
@@ -79,7 +79,7 @@ async def async_setup_entry(
 
 
 class FritzboxThermostat(FritzBoxEntity, ClimateEntity):
-    """The thermostat class for Fritzbox smarthome thermostates."""
+    """The thermostat class for FRITZ!SmartHome thermostates."""
 
     @property
     def supported_features(self):
@@ -159,6 +159,7 @@ class FritzboxThermostat(FritzBoxEntity, ClimateEntity):
             return PRESET_COMFORT
         if self.device.target_temperature == self.device.eco_temperature:
             return PRESET_ECO
+        return None
 
     @property
     def preset_modes(self):
diff --git a/homeassistant/components/fritzbox/config_flow.py b/homeassistant/components/fritzbox/config_flow.py
index ed7cea3bc61..79763d18d2a 100644
--- a/homeassistant/components/fritzbox/config_flow.py
+++ b/homeassistant/components/fritzbox/config_flow.py
@@ -1,4 +1,4 @@
-"""Config flow for AVM Fritz!Box."""
+"""Config flow for AVM FRITZ!SmartHome."""
 from urllib.parse import urlparse
 
 from pyfritzhome import Fritzhome, LoginError
@@ -37,7 +37,7 @@ RESULT_SUCCESS = "success"
 
 
 class FritzboxConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
-    """Handle a AVM Fritz!Box config flow."""
+    """Handle a AVM FRITZ!SmartHome config flow."""
 
     VERSION = 1
 
diff --git a/homeassistant/components/fritzbox/const.py b/homeassistant/components/fritzbox/const.py
index 9189fbd81c6..edfc13d49fe 100644
--- a/homeassistant/components/fritzbox/const.py
+++ b/homeassistant/components/fritzbox/const.py
@@ -1,4 +1,4 @@
-"""Constants for the AVM Fritz!Box integration."""
+"""Constants for the AVM FRITZ!SmartHome integration."""
 import logging
 
 ATTR_STATE_BATTERY_LOW = "battery_low"
diff --git a/homeassistant/components/fritzbox/sensor.py b/homeassistant/components/fritzbox/sensor.py
index eb7d96c8d43..836b4fb407c 100644
--- a/homeassistant/components/fritzbox/sensor.py
+++ b/homeassistant/components/fritzbox/sensor.py
@@ -1,4 +1,4 @@
-"""Support for AVM Fritz!Box smarthome temperature sensor only devices."""
+"""Support for AVM FRITZ!SmartHome temperature sensor only devices."""
 from homeassistant.components.sensor import SensorEntity
 from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import (
@@ -25,7 +25,7 @@ from .const import (
 async def async_setup_entry(
     hass: HomeAssistant, entry: ConfigEntry, async_add_entities: AddEntitiesCallback
 ) -> None:
-    """Set up the Fritzbox smarthome sensor from ConfigEntry."""
+    """Set up the FRITZ!SmartHome sensor from ConfigEntry."""
     entities = []
     coordinator = hass.data[FRITZBOX_DOMAIN][entry.entry_id][CONF_COORDINATOR]
 
@@ -66,7 +66,7 @@ async def async_setup_entry(
 
 
 class FritzBoxBatterySensor(FritzBoxEntity, SensorEntity):
-    """The entity class for Fritzbox sensors."""
+    """The entity class for FRITZ!SmartHome sensors."""
 
     @property
     def state(self):
@@ -75,7 +75,7 @@ class FritzBoxBatterySensor(FritzBoxEntity, SensorEntity):
 
 
 class FritzBoxTempSensor(FritzBoxEntity, SensorEntity):
-    """The entity class for Fritzbox temperature sensors."""
+    """The entity class for FRITZ!SmartHome temperature sensors."""
 
     @property
     def state(self):
diff --git a/homeassistant/components/fritzbox/strings.json b/homeassistant/components/fritzbox/strings.json
index 6de6b6d9d9a..50b86611814 100644
--- a/homeassistant/components/fritzbox/strings.json
+++ b/homeassistant/components/fritzbox/strings.json
@@ -1,6 +1,6 @@
 {
   "config": {
-    "flow_title": "AVM FRITZ!Box: {name}",
+    "flow_title": "AVM FRITZ!SmartHome: {name}",
     "step": {
       "user": {
         "description": "Enter your AVM FRITZ!Box information.",
diff --git a/homeassistant/components/fritzbox/switch.py b/homeassistant/components/fritzbox/switch.py
index 040cdfdcb28..39d8c4e8ec2 100644
--- a/homeassistant/components/fritzbox/switch.py
+++ b/homeassistant/components/fritzbox/switch.py
@@ -1,4 +1,4 @@
-"""Support for AVM Fritz!Box smarthome switch devices."""
+"""Support for AVM FRITZ!SmartHome switch devices."""
 from homeassistant.components.switch import SwitchEntity
 from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import (
@@ -30,7 +30,7 @@ ATTR_TOTAL_CONSUMPTION_UNIT_VALUE = ENERGY_KILO_WATT_HOUR
 async def async_setup_entry(
     hass: HomeAssistant, entry: ConfigEntry, async_add_entities: AddEntitiesCallback
 ) -> None:
-    """Set up the Fritzbox smarthome switch from ConfigEntry."""
+    """Set up the FRITZ!SmartHome switch from ConfigEntry."""
     entities = []
     coordinator = hass.data[FRITZBOX_DOMAIN][entry.entry_id][CONF_COORDINATOR]
 
@@ -55,7 +55,7 @@ async def async_setup_entry(
 
 
 class FritzboxSwitch(FritzBoxEntity, SwitchEntity):
-    """The switch class for Fritzbox switches."""
+    """The switch class for FRITZ!SmartHome switches."""
 
     @property
     def available(self):