diff --git a/homeassistant/components/aranet/sensor.py b/homeassistant/components/aranet/sensor.py
index 3487f68c67d0..cbe3113439f0 100644
--- a/homeassistant/components/aranet/sensor.py
+++ b/homeassistant/components/aranet/sensor.py
@@ -23,10 +23,9 @@ from homeassistant.const import (
     ATTR_MODEL,
     ATTR_NAME,
     ATTR_SW_VERSION,
-    CONCENTRATION_PARTS_PER_MILLION,
-    PERCENTAGE,
     EntityCategory,
     UnitOfPressure,
+    UnitOfRatio,
     UnitOfTemperature,
     UnitOfTime,
 )
@@ -62,7 +61,7 @@ SENSOR_DESCRIPTIONS = {
         key="humidity",
         name="Humidity",
         device_class=SensorDeviceClass.HUMIDITY,
-        native_unit_of_measurement=PERCENTAGE,
+        native_unit_of_measurement=UnitOfRatio.PERCENTAGE,
         state_class=SensorStateClass.MEASUREMENT,
     ),
     "pressure": AranetSensorEntityDescription(
@@ -83,7 +82,7 @@ SENSOR_DESCRIPTIONS = {
         key="co2",
         name="Carbon Dioxide",
         device_class=SensorDeviceClass.CO2,
-        native_unit_of_measurement=CONCENTRATION_PARTS_PER_MILLION,
+        native_unit_of_measurement=UnitOfRatio.PARTS_PER_MILLION,
         state_class=SensorStateClass.MEASUREMENT,
     ),
     "radiation_rate": AranetSensorEntityDescription(
@@ -115,7 +114,7 @@ SENSOR_DESCRIPTIONS = {
         key="battery",
         name="Battery",
         device_class=SensorDeviceClass.BATTERY,
-        native_unit_of_measurement=PERCENTAGE,
+        native_unit_of_measurement=UnitOfRatio.PERCENTAGE,
         state_class=SensorStateClass.MEASUREMENT,
         entity_category=EntityCategory.DIAGNOSTIC,
     ),