diff --git a/homeassistant/components/vallox/sensor.py b/homeassistant/components/vallox/sensor.py
index 48b44dd97fe..d3357e50ad2 100644
--- a/homeassistant/components/vallox/sensor.py
+++ b/homeassistant/components/vallox/sensor.py
@@ -13,6 +13,7 @@ from homeassistant.components.sensor import (
 from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import (
     CONCENTRATION_PARTS_PER_MILLION,
+    FREQUENCY_HERTZ,
     PERCENTAGE,
     TEMP_CELSIUS,
 )
@@ -32,7 +33,7 @@ from .const import (
 )
 
 
-class ValloxSensor(ValloxEntity, SensorEntity):
+class ValloxSensorEntity(ValloxEntity, SensorEntity):
     """Representation of a Vallox sensor."""
 
     entity_description: ValloxSensorEntityDescription
@@ -58,10 +59,17 @@ class ValloxSensor(ValloxEntity, SensorEntity):
         if (metric_key := self.entity_description.metric_key) is None:
             return None
 
-        return self.coordinator.data.get_metric(metric_key)
+        value = self.coordinator.data.get_metric(metric_key)
+
+        if self.entity_description.round_ndigits is not None and isinstance(
+            value, float
+        ):
+            value = round(value, self.entity_description.round_ndigits)
+
+        return value
 
 
-class ValloxProfileSensor(ValloxSensor):
+class ValloxProfileSensor(ValloxSensorEntity):
     """Child class for profile reporting."""
 
     @property
@@ -77,7 +85,7 @@ class ValloxProfileSensor(ValloxSensor):
 #
 # Therefore, first query the overall state of the device, and report zero percent fan speed in case
 # it is not in regular operation mode.
-class ValloxFanSpeedSensor(ValloxSensor):
+class ValloxFanSpeedSensor(ValloxSensorEntity):
     """Child class for fan speed reporting."""
 
     @property
@@ -87,7 +95,7 @@ class ValloxFanSpeedSensor(ValloxSensor):
         return super().native_value if fan_is_on else 0
 
 
-class ValloxFilterRemainingSensor(ValloxSensor):
+class ValloxFilterRemainingSensor(ValloxSensorEntity):
     """Child class for filter remaining time reporting."""
 
     @property
@@ -104,7 +112,7 @@ class ValloxFilterRemainingSensor(ValloxSensor):
         )
 
 
-class ValloxCellStateSensor(ValloxSensor):
+class ValloxCellStateSensor(ValloxSensorEntity):
     """Child class for cell state reporting."""
 
     @property
@@ -123,15 +131,16 @@ class ValloxSensorEntityDescription(SensorEntityDescription):
     """Describes Vallox sensor entity."""
 
     metric_key: str | None = None
-    sensor_type: type[ValloxSensor] = ValloxSensor
+    entity_type: type[ValloxSensorEntity] = ValloxSensorEntity
+    round_ndigits: int | None = None
 
 
-SENSORS: tuple[ValloxSensorEntityDescription, ...] = (
+SENSOR_ENTITIES: tuple[ValloxSensorEntityDescription, ...] = (
     ValloxSensorEntityDescription(
         key="current_profile",
         name="Current profile",
         icon="mdi:gauge",
-        sensor_type=ValloxProfileSensor,
+        entity_type=ValloxProfileSensor,
     ),
     ValloxSensorEntityDescription(
         key="fan_speed",
@@ -140,20 +149,40 @@ SENSORS: tuple[ValloxSensorEntityDescription, ...] = (
         icon="mdi:fan",
         state_class=SensorStateClass.MEASUREMENT,
         native_unit_of_measurement=PERCENTAGE,
-        sensor_type=ValloxFanSpeedSensor,
+        entity_type=ValloxFanSpeedSensor,
+    ),
+    ValloxSensorEntityDescription(
+        key="extract_fan_speed",
+        name="Extract fan speed",
+        metric_key="A_CYC_EXTR_FAN_SPEED",
+        icon="mdi:fan",
+        state_class=SensorStateClass.MEASUREMENT,
+        native_unit_of_measurement=FREQUENCY_HERTZ,
+        entity_type=ValloxFanSpeedSensor,
+        entity_registry_enabled_default=False,
+    ),
+    ValloxSensorEntityDescription(
+        key="supply_fan_speed",
+        name="Supply fan speed",
+        metric_key="A_CYC_SUPP_FAN_SPEED",
+        icon="mdi:fan",
+        state_class=SensorStateClass.MEASUREMENT,
+        native_unit_of_measurement=FREQUENCY_HERTZ,
+        entity_type=ValloxFanSpeedSensor,
+        entity_registry_enabled_default=False,
     ),
     ValloxSensorEntityDescription(
         key="remaining_time_for_filter",
         name="Remaining time for filter",
         device_class=SensorDeviceClass.TIMESTAMP,
-        sensor_type=ValloxFilterRemainingSensor,
+        entity_type=ValloxFilterRemainingSensor,
     ),
     ValloxSensorEntityDescription(
         key="cell_state",
         name="Cell state",
         icon="mdi:swap-horizontal-bold",
         metric_key="A_CYC_CELL_STATE",
-        sensor_type=ValloxCellStateSensor,
+        entity_type=ValloxCellStateSensor,
     ),
     ValloxSensorEntityDescription(
         key="extract_air",
@@ -187,6 +216,23 @@ SENSORS: tuple[ValloxSensorEntityDescription, ...] = (
         state_class=SensorStateClass.MEASUREMENT,
         native_unit_of_measurement=TEMP_CELSIUS,
     ),
+    ValloxSensorEntityDescription(
+        key="supply_cell_air",
+        name="Supply cell air",
+        metric_key="A_CYC_TEMP_SUPPLY_CELL_AIR",
+        device_class=SensorDeviceClass.TEMPERATURE,
+        state_class=SensorStateClass.MEASUREMENT,
+        native_unit_of_measurement=TEMP_CELSIUS,
+    ),
+    ValloxSensorEntityDescription(
+        key="optional_air",
+        name="Optional air",
+        metric_key="A_CYC_TEMP_OPTIONAL",
+        device_class=SensorDeviceClass.TEMPERATURE,
+        state_class=SensorStateClass.MEASUREMENT,
+        native_unit_of_measurement=TEMP_CELSIUS,
+        entity_registry_enabled_default=False,
+    ),
     ValloxSensorEntityDescription(
         key="humidity",
         name="Humidity",
@@ -202,6 +248,8 @@ SENSORS: tuple[ValloxSensorEntityDescription, ...] = (
         icon="mdi:gauge",
         state_class=SensorStateClass.MEASUREMENT,
         native_unit_of_measurement=PERCENTAGE,
+        entity_registry_enabled_default=False,
+        round_ndigits=0,
     ),
     ValloxSensorEntityDescription(
         key="co2",
@@ -210,6 +258,7 @@ SENSORS: tuple[ValloxSensorEntityDescription, ...] = (
         device_class=SensorDeviceClass.CO2,
         state_class=SensorStateClass.MEASUREMENT,
         native_unit_of_measurement=CONCENTRATION_PARTS_PER_MILLION,
+        entity_registry_enabled_default=False,
     ),
 )
 
@@ -223,7 +272,7 @@ async def async_setup_entry(
 
     async_add_entities(
         [
-            description.sensor_type(name, coordinator, description)
-            for description in SENSORS
+            description.entity_type(name, coordinator, description)
+            for description in SENSOR_ENTITIES
         ]
     )