diff --git a/homeassistant/components/tuya/const.py b/homeassistant/components/tuya/const.py
index 5033e5b2ab1..20dc724deb9 100644
--- a/homeassistant/components/tuya/const.py
+++ b/homeassistant/components/tuya/const.py
@@ -173,6 +173,7 @@ class DPCode(StrEnum):
     CUR_VOLTAGE = "cur_voltage"  # Actual voltage
     DECIBEL_SENSITIVITY = "decibel_sensitivity"
     DECIBEL_SWITCH = "decibel_switch"
+    DEHUMIDITY_SET_ENUM = "dehumidify_set_enum"
     DEHUMIDITY_SET_VALUE = "dehumidify_set_value"
     DISINFECTION = "disinfection"
     DO_NOT_DISTURB = "do_not_disturb"
@@ -209,6 +210,7 @@ class DPCode(StrEnum):
     HUMIDIFIER = "humidifier"  # Humidification
     HUMIDITY = "humidity"  # Humidity
     HUMIDITY_CURRENT = "humidity_current"  # Current humidity
+    HUMIDITY_INDOOR = "humidity_indoor"  # Indoor humidity
     HUMIDITY_SET = "humidity_set"  # Humidity setting
     HUMIDITY_VALUE = "humidity_value"  # Humidity
     IPC_WORK_MODE = "ipc_work_mode"
@@ -328,6 +330,7 @@ class DPCode(StrEnum):
     TEMP_CONTROLLER = "temp_controller"
     TEMP_CURRENT = "temp_current"  # Current temperature in °C
     TEMP_CURRENT_F = "temp_current_f"  # Current temperature in °F
+    TEMP_INDOOR = "temp_indoor"  # Indoor temperature in °C
     TEMP_SET = "temp_set"  # Set the temperature in °C
     TEMP_SET_F = "temp_set_f"  # Set the temperature in °F
     TEMP_UNIT_CONVERT = "temp_unit_convert"  # Temperature unit switching
diff --git a/homeassistant/components/tuya/fan.py b/homeassistant/components/tuya/fan.py
index 021745f4c81..59cfee3506c 100644
--- a/homeassistant/components/tuya/fan.py
+++ b/homeassistant/components/tuya/fan.py
@@ -29,6 +29,7 @@ TUYA_SUPPORT_TYPE = {
     "fsd",  # Fan with Light
     "fskg",  # Fan wall switch
     "kj",  # Air Purifier
+    "cs",  # Dehumidifier
 }
 
 
diff --git a/homeassistant/components/tuya/select.py b/homeassistant/components/tuya/select.py
index 57059a3bcc7..54d46f73b88 100644
--- a/homeassistant/components/tuya/select.py
+++ b/homeassistant/components/tuya/select.py
@@ -342,6 +342,23 @@ SELECTS: dict[str, tuple[SelectEntityDescription, ...]] = {
             translation_key="countdown",
         ),
     ),
+    # Dehumidifier
+    # https://developer.tuya.com/en/docs/iot/categorycs?id=Kaiuz1vcz4dha
+    "cs": (
+        SelectEntityDescription(
+            key=DPCode.COUNTDOWN_SET,
+            name="Countdown",
+            entity_category=EntityCategory.CONFIG,
+            icon="mdi:timer-cog-outline",
+            translation_key="countdown",
+        ),
+        SelectEntityDescription(
+            key=DPCode.DEHUMIDITY_SET_ENUM,
+            name="Target humidity",
+            entity_category=EntityCategory.CONFIG,
+            icon="mdi:water-percent",
+        ),
+    ),
 }
 
 # Socket (duplicate of `kg`)
diff --git a/homeassistant/components/tuya/sensor.py b/homeassistant/components/tuya/sensor.py
index c7c4c1eb949..15803feeaf7 100644
--- a/homeassistant/components/tuya/sensor.py
+++ b/homeassistant/components/tuya/sensor.py
@@ -999,6 +999,22 @@ SENSORS: dict[str, tuple[TuyaSensorEntityDescription, ...]] = {
             state_class=SensorStateClass.MEASUREMENT,
         ),
     ),
+    # Dehumidifier
+    # https://developer.tuya.com/en/docs/iot/s?id=K9gf48r6jke8e
+    "cs": (
+        TuyaSensorEntityDescription(
+            key=DPCode.TEMP_INDOOR,
+            name="Temperature",
+            device_class=SensorDeviceClass.TEMPERATURE,
+            state_class=SensorStateClass.MEASUREMENT,
+        ),
+        TuyaSensorEntityDescription(
+            key=DPCode.HUMIDITY_INDOOR,
+            name="Humidity",
+            device_class=SensorDeviceClass.HUMIDITY,
+            state_class=SensorStateClass.MEASUREMENT,
+        ),
+    ),
 }
 
 # Socket (duplicate of `kg`)