diff --git a/homeassistant/components/system_bridge/binary_sensor.py b/homeassistant/components/system_bridge/binary_sensor.py
index 8feb1114285..bb83d90235f 100644
--- a/homeassistant/components/system_bridge/binary_sensor.py
+++ b/homeassistant/components/system_bridge/binary_sensor.py
@@ -29,7 +29,7 @@ class SystemBridgeBinarySensorEntityDescription(BinarySensorEntityDescription):
 BASE_BINARY_SENSOR_TYPES: tuple[SystemBridgeBinarySensorEntityDescription, ...] = (
     SystemBridgeBinarySensorEntityDescription(
         key="version_available",
-        name="New Version Available",
+        name="New version available",
         device_class=BinarySensorDeviceClass.UPDATE,
         value=lambda data: data.system.version_newer_available,
     ),
@@ -38,7 +38,7 @@ BASE_BINARY_SENSOR_TYPES: tuple[SystemBridgeBinarySensorEntityDescription, ...]
 BATTERY_BINARY_SENSOR_TYPES: tuple[SystemBridgeBinarySensorEntityDescription, ...] = (
     SystemBridgeBinarySensorEntityDescription(
         key="battery_is_charging",
-        name="Battery Is Charging",
+        name="Battery is charging",
         device_class=BinarySensorDeviceClass.BATTERY_CHARGING,
         value=lambda data: data.battery.is_charging,
     ),
diff --git a/homeassistant/components/system_bridge/sensor.py b/homeassistant/components/system_bridge/sensor.py
index e73dec69c02..a6bf29ac546 100644
--- a/homeassistant/components/system_bridge/sensor.py
+++ b/homeassistant/components/system_bridge/sensor.py
@@ -122,7 +122,7 @@ def memory_used(data: SystemBridgeCoordinatorData) -> float | None:
 BASE_SENSOR_TYPES: tuple[SystemBridgeSensorEntityDescription, ...] = (
     SystemBridgeSensorEntityDescription(
         key="boot_time",
-        name="Boot Time",
+        name="Boot time",
         device_class=SensorDeviceClass.TIMESTAMP,
         icon="mdi:av-timer",
         value=lambda data: datetime.fromtimestamp(
@@ -131,7 +131,7 @@ BASE_SENSOR_TYPES: tuple[SystemBridgeSensorEntityDescription, ...] = (
     ),
     SystemBridgeSensorEntityDescription(
         key="cpu_speed",
-        name="CPU Speed",
+        name="CPU speed",
         state_class=SensorStateClass.MEASUREMENT,
         native_unit_of_measurement=UnitOfFrequency.GIGAHERTZ,
         device_class=SensorDeviceClass.FREQUENCY,
@@ -140,7 +140,7 @@ BASE_SENSOR_TYPES: tuple[SystemBridgeSensorEntityDescription, ...] = (
     ),
     SystemBridgeSensorEntityDescription(
         key="cpu_temperature",
-        name="CPU Temperature",
+        name="CPU temperature",
         entity_registry_enabled_default=False,
         device_class=SensorDeviceClass.TEMPERATURE,
         state_class=SensorStateClass.MEASUREMENT,
@@ -149,7 +149,7 @@ BASE_SENSOR_TYPES: tuple[SystemBridgeSensorEntityDescription, ...] = (
     ),
     SystemBridgeSensorEntityDescription(
         key="cpu_voltage",
-        name="CPU Voltage",
+        name="CPU voltage",
         entity_registry_enabled_default=False,
         device_class=SensorDeviceClass.VOLTAGE,
         state_class=SensorStateClass.MEASUREMENT,
@@ -164,7 +164,7 @@ BASE_SENSOR_TYPES: tuple[SystemBridgeSensorEntityDescription, ...] = (
     ),
     SystemBridgeSensorEntityDescription(
         key="memory_free",
-        name="Memory Free",
+        name="Memory free",
         state_class=SensorStateClass.MEASUREMENT,
         native_unit_of_measurement=UnitOfInformation.GIGABYTES,
         device_class=SensorDeviceClass.DATA_SIZE,
@@ -173,7 +173,7 @@ BASE_SENSOR_TYPES: tuple[SystemBridgeSensorEntityDescription, ...] = (
     ),
     SystemBridgeSensorEntityDescription(
         key="memory_used_percentage",
-        name="Memory Used %",
+        name="Memory used %",
         state_class=SensorStateClass.MEASUREMENT,
         native_unit_of_measurement=PERCENTAGE,
         icon="mdi:memory",
@@ -181,7 +181,7 @@ BASE_SENSOR_TYPES: tuple[SystemBridgeSensorEntityDescription, ...] = (
     ),
     SystemBridgeSensorEntityDescription(
         key="memory_used",
-        name="Memory Used",
+        name="Memory used",
         entity_registry_enabled_default=False,
         state_class=SensorStateClass.MEASUREMENT,
         native_unit_of_measurement=UnitOfInformation.GIGABYTES,
@@ -191,7 +191,7 @@ BASE_SENSOR_TYPES: tuple[SystemBridgeSensorEntityDescription, ...] = (
     ),
     SystemBridgeSensorEntityDescription(
         key="os",
-        name="Operating System",
+        name="Operating system",
         icon="mdi:devices",
         value=lambda data: f"{data.system.platform} {data.system.platform_version}",
     ),
@@ -211,7 +211,7 @@ BASE_SENSOR_TYPES: tuple[SystemBridgeSensorEntityDescription, ...] = (
     ),
     SystemBridgeSensorEntityDescription(
         key="version_latest",
-        name="Latest Version",
+        name="Latest version",
         icon="mdi:counter",
         value=lambda data: data.system.version_latest,
     ),
@@ -228,7 +228,7 @@ BATTERY_SENSOR_TYPES: tuple[SystemBridgeSensorEntityDescription, ...] = (
     ),
     SystemBridgeSensorEntityDescription(
         key="battery_time_remaining",
-        name="Battery Time Remaining",
+        name="Battery time remaining",
         device_class=SensorDeviceClass.TIMESTAMP,
         value=battery_time_remaining,
     ),
@@ -255,7 +255,7 @@ async def async_setup_entry(
                 coordinator,
                 SystemBridgeSensorEntityDescription(
                     key=f"filesystem_{partition.replace(':', '')}",
-                    name=f"{partition} Space Used",
+                    name=f"{partition} space used",
                     state_class=SensorStateClass.MEASUREMENT,
                     native_unit_of_measurement=PERCENTAGE,
                     icon="mdi:harddisk",
@@ -296,7 +296,7 @@ async def async_setup_entry(
             coordinator,
             SystemBridgeSensorEntityDescription(
                 key="displays_connected",
-                name="Displays Connected",
+                name="Displays connected",
                 state_class=SensorStateClass.MEASUREMENT,
                 icon="mdi:monitor",
                 value=lambda _, count=display_count: count,
@@ -312,7 +312,7 @@ async def async_setup_entry(
                 coordinator,
                 SystemBridgeSensorEntityDescription(
                     key=f"display_{display['name']}_resolution_x",
-                    name=f"Display {display['name']} Resolution X",
+                    name=f"Display {display['name']} resolution x",
                     state_class=SensorStateClass.MEASUREMENT,
                     native_unit_of_measurement=PIXELS,
                     icon="mdi:monitor",
@@ -326,7 +326,7 @@ async def async_setup_entry(
                 coordinator,
                 SystemBridgeSensorEntityDescription(
                     key=f"display_{display['name']}_resolution_y",
-                    name=f"Display {display['name']} Resolution Y",
+                    name=f"Display {display['name']} resolution y",
                     state_class=SensorStateClass.MEASUREMENT,
                     native_unit_of_measurement=PIXELS,
                     icon="mdi:monitor",
@@ -340,7 +340,7 @@ async def async_setup_entry(
                 coordinator,
                 SystemBridgeSensorEntityDescription(
                     key=f"display_{display['name']}_refresh_rate",
-                    name=f"Display {display['name']} Refresh Rate",
+                    name=f"Display {display['name']} refresh rate",
                     state_class=SensorStateClass.MEASUREMENT,
                     native_unit_of_measurement=UnitOfFrequency.HERTZ,
                     device_class=SensorDeviceClass.FREQUENCY,
@@ -371,7 +371,7 @@ async def async_setup_entry(
                 coordinator,
                 SystemBridgeSensorEntityDescription(
                     key=f"gpu_{index}_core_clock_speed",
-                    name=f"{gpu['name']} Clock Speed",
+                    name=f"{gpu['name']} clock speed",
                     entity_registry_enabled_default=False,
                     state_class=SensorStateClass.MEASUREMENT,
                     native_unit_of_measurement=UnitOfFrequency.MEGAHERTZ,
@@ -385,7 +385,7 @@ async def async_setup_entry(
                 coordinator,
                 SystemBridgeSensorEntityDescription(
                     key=f"gpu_{index}_memory_clock_speed",
-                    name=f"{gpu['name']} Memory Clock Speed",
+                    name=f"{gpu['name']} memory clock speed",
                     entity_registry_enabled_default=False,
                     state_class=SensorStateClass.MEASUREMENT,
                     native_unit_of_measurement=UnitOfFrequency.MEGAHERTZ,
@@ -399,7 +399,7 @@ async def async_setup_entry(
                 coordinator,
                 SystemBridgeSensorEntityDescription(
                     key=f"gpu_{index}_memory_free",
-                    name=f"{gpu['name']} Memory Free",
+                    name=f"{gpu['name']} memory free",
                     state_class=SensorStateClass.MEASUREMENT,
                     native_unit_of_measurement=UnitOfInformation.GIGABYTES,
                     device_class=SensorDeviceClass.DATA_SIZE,
@@ -412,7 +412,7 @@ async def async_setup_entry(
                 coordinator,
                 SystemBridgeSensorEntityDescription(
                     key=f"gpu_{index}_memory_used_percentage",
-                    name=f"{gpu['name']} Memory Used %",
+                    name=f"{gpu['name']} memory used %",
                     state_class=SensorStateClass.MEASUREMENT,
                     native_unit_of_measurement=PERCENTAGE,
                     icon="mdi:memory",
@@ -426,7 +426,7 @@ async def async_setup_entry(
                 coordinator,
                 SystemBridgeSensorEntityDescription(
                     key=f"gpu_{index}_memory_used",
-                    name=f"{gpu['name']} Memory Used",
+                    name=f"{gpu['name']} memory used",
                     entity_registry_enabled_default=False,
                     state_class=SensorStateClass.MEASUREMENT,
                     native_unit_of_measurement=UnitOfInformation.GIGABYTES,
@@ -440,7 +440,7 @@ async def async_setup_entry(
                 coordinator,
                 SystemBridgeSensorEntityDescription(
                     key=f"gpu_{index}_fan_speed",
-                    name=f"{gpu['name']} Fan Speed",
+                    name=f"{gpu['name']} fan speed",
                     entity_registry_enabled_default=False,
                     state_class=SensorStateClass.MEASUREMENT,
                     native_unit_of_measurement=REVOLUTIONS_PER_MINUTE,
@@ -455,7 +455,7 @@ async def async_setup_entry(
                 coordinator,
                 SystemBridgeSensorEntityDescription(
                     key=f"gpu_{index}_power_usage",
-                    name=f"{gpu['name']} Power Usage",
+                    name=f"{gpu['name']} power usage",
                     entity_registry_enabled_default=False,
                     device_class=SensorDeviceClass.POWER,
                     state_class=SensorStateClass.MEASUREMENT,
@@ -470,7 +470,7 @@ async def async_setup_entry(
                 coordinator,
                 SystemBridgeSensorEntityDescription(
                     key=f"gpu_{index}_temperature",
-                    name=f"{gpu['name']} Temperature",
+                    name=f"{gpu['name']} temperature",
                     entity_registry_enabled_default=False,
                     device_class=SensorDeviceClass.TEMPERATURE,
                     state_class=SensorStateClass.MEASUREMENT,
@@ -485,7 +485,7 @@ async def async_setup_entry(
                 coordinator,
                 SystemBridgeSensorEntityDescription(
                     key=f"gpu_{index}_usage_percentage",
-                    name=f"{gpu['name']} Usage %",
+                    name=f"{gpu['name']} usage %",
                     state_class=SensorStateClass.MEASUREMENT,
                     native_unit_of_measurement=PERCENTAGE,
                     icon="mdi:percent",