diff --git a/homeassistant/components/smartthings/sensor.py b/homeassistant/components/smartthings/sensor.py
index 64869347228..a51ee47f0dc 100644
--- a/homeassistant/components/smartthings/sensor.py
+++ b/homeassistant/components/smartthings/sensor.py
@@ -98,7 +98,7 @@ CAPABILITY_TO_SENSORS: dict[str, list[Map]] = {
             Attribute.body_weight_measurement,
             "Body Weight",
             MASS_KILOGRAMS,
-            None,
+            SensorDeviceClass.WEIGHT,
             SensorStateClass.MEASUREMENT,
             None,
         )
@@ -209,7 +209,7 @@ CAPABILITY_TO_SENSORS: dict[str, list[Map]] = {
             Attribute.equivalent_carbon_dioxide_measurement,
             "Equivalent Carbon Dioxide Measurement",
             CONCENTRATION_PARTS_PER_MILLION,
-            None,
+            SensorDeviceClass.CO2,
             SensorStateClass.MEASUREMENT,
             None,
         )
@@ -229,7 +229,7 @@ CAPABILITY_TO_SENSORS: dict[str, list[Map]] = {
             Attribute.gas_meter,
             "Gas Meter",
             ENERGY_KILO_WATT_HOUR,
-            None,
+            SensorDeviceClass.ENERGY,
             SensorStateClass.MEASUREMENT,
             None,
         ),
@@ -248,7 +248,7 @@ CAPABILITY_TO_SENSORS: dict[str, list[Map]] = {
             Attribute.gas_meter_volume,
             "Gas Meter Volume",
             VOLUME_CUBIC_METERS,
-            None,
+            SensorDeviceClass.VOLUME,
             SensorStateClass.MEASUREMENT,
             None,
         ),