diff --git a/homeassistant/components/smartthings/climate.py b/homeassistant/components/smartthings/climate.py
index 7cb3b0210bb..9de11f4af71 100644
--- a/homeassistant/components/smartthings/climate.py
+++ b/homeassistant/components/smartthings/climate.py
@@ -31,7 +31,7 @@ from .entity import SmartThingsEntity
 
 ATTR_OPERATION_STATE = "operation_state"
 MODE_TO_STATE = {
-    "auto": HVACMode.AUTO,
+    "auto": HVACMode.HEAT_COOL,
     "cool": HVACMode.COOL,
     "eco": HVACMode.AUTO,
     "rush hour": HVACMode.AUTO,
@@ -40,7 +40,7 @@ MODE_TO_STATE = {
     "off": HVACMode.OFF,
 }
 STATE_TO_MODE = {
-    HVACMode.AUTO: "auto",
+    HVACMode.HEAT_COOL: "auto",
     HVACMode.COOL: "cool",
     HVACMode.HEAT: "heat",
     HVACMode.OFF: "off",
diff --git a/tests/components/smartthings/snapshots/test_climate.ambr b/tests/components/smartthings/snapshots/test_climate.ambr
index b23e7024e05..6f4dd67d7f7 100644
--- a/tests/components/smartthings/snapshots/test_climate.ambr
+++ b/tests/components/smartthings/snapshots/test_climate.ambr
@@ -541,7 +541,7 @@
       'hvac_modes': list([
         <HVACMode.OFF: 'off'>,
         <HVACMode.COOL: 'cool'>,
-        <HVACMode.AUTO: 'auto'>,
+        <HVACMode.HEAT_COOL: 'heat_cool'>,
       ]),
       'max_temp': 35.0,
       'min_temp': 7.0,
@@ -589,7 +589,7 @@
       'hvac_modes': list([
         <HVACMode.OFF: 'off'>,
         <HVACMode.COOL: 'cool'>,
-        <HVACMode.AUTO: 'auto'>,
+        <HVACMode.HEAT_COOL: 'heat_cool'>,
       ]),
       'max_temp': 35.0,
       'min_temp': 7.0,
diff --git a/tests/components/smartthings/test_climate.py b/tests/components/smartthings/test_climate.py
index 8241e6de3b3..9e3fa22f55d 100644
--- a/tests/components/smartthings/test_climate.py
+++ b/tests/components/smartthings/test_climate.py
@@ -625,7 +625,7 @@ async def test_thermostat_set_hvac_mode(
     await hass.services.async_call(
         CLIMATE_DOMAIN,
         SERVICE_SET_HVAC_MODE,
-        {ATTR_ENTITY_ID: "climate.asd", ATTR_HVAC_MODE: HVACMode.AUTO},
+        {ATTR_ENTITY_ID: "climate.asd", ATTR_HVAC_MODE: HVACMode.HEAT_COOL},
         blocking=True,
     )
     devices.execute_device_command.assert_called_once_with(