diff --git a/homeassistant/components/tuya/binary_sensor.py b/homeassistant/components/tuya/binary_sensor.py
index 0a54aa74dfe..934f1fda7ef 100644
--- a/homeassistant/components/tuya/binary_sensor.py
+++ b/homeassistant/components/tuya/binary_sensor.py
@@ -37,11 +37,30 @@ class TuyaBinarySensorEntityDescription(BinarySensorEntityDescription):
     on_value: bool | float | int | str = True
 
 
+# Commonly used sensors
+TAMPER_BINARY_SENSOR = TuyaBinarySensorEntityDescription(
+    key=DPCode.TEMPER_ALARM,
+    name="Tamper",
+    device_class=DEVICE_CLASS_TAMPER,
+    entity_category=ENTITY_CATEGORY_DIAGNOSTIC,
+)
+
+
 # All descriptions can be found here. Mostly the Boolean data types in the
 # default status set of each category (that don't have a set instruction)
 # end up being a binary sensor.
 # https://developer.tuya.com/en/docs/iot/standarddescription?id=K9i5ql6waswzq
 BINARY_SENSORS: dict[str, tuple[TuyaBinarySensorEntityDescription, ...]] = {
+    # CO2 Detector
+    # https://developer.tuya.com/en/docs/iot/categoryco2bj?id=Kaiuz3wes7yuy
+    "co2bj": (
+        TuyaBinarySensorEntityDescription(
+            key=DPCode.CO2_STATE,
+            device_class=DEVICE_CLASS_SAFETY,
+            on_value="alarm",
+        ),
+        TAMPER_BINARY_SENSOR,
+    ),
     # Human Presence Sensor
     # https://developer.tuya.com/en/docs/iot/categoryhps?id=Kaiuz42yhn1hs
     "hps": (
@@ -58,12 +77,7 @@ BINARY_SENSORS: dict[str, tuple[TuyaBinarySensorEntityDescription, ...]] = {
             key=DPCode.DOORCONTACT_STATE,
             device_class=DEVICE_CLASS_DOOR,
         ),
-        TuyaBinarySensorEntityDescription(
-            key=DPCode.TEMPER_ALARM,
-            name="Tamper",
-            device_class=DEVICE_CLASS_TAMPER,
-            entity_category=ENTITY_CATEGORY_DIAGNOSTIC,
-        ),
+        TAMPER_BINARY_SENSOR,
     ),
     # Luminance Sensor
     # https://developer.tuya.com/en/docs/iot/categoryldcg?id=Kaiuz3n7u69l8
@@ -83,12 +97,7 @@ BINARY_SENSORS: dict[str, tuple[TuyaBinarySensorEntityDescription, ...]] = {
             device_class=DEVICE_CLASS_MOTION,
             on_value="pir",
         ),
-        TuyaBinarySensorEntityDescription(
-            key=DPCode.TEMPER_ALARM,
-            name="Tamper",
-            device_class=DEVICE_CLASS_TAMPER,
-            entity_category=ENTITY_CATEGORY_DIAGNOSTIC,
-        ),
+        TAMPER_BINARY_SENSOR,
     ),
     # Water Detector
     # https://developer.tuya.com/en/docs/iot/categorysj?id=Kaiuz3iub2sli
@@ -98,12 +107,7 @@ BINARY_SENSORS: dict[str, tuple[TuyaBinarySensorEntityDescription, ...]] = {
             device_class=DEVICE_CLASS_MOISTURE,
             on_value="alarm",
         ),
-        TuyaBinarySensorEntityDescription(
-            key=DPCode.TEMPER_ALARM,
-            name="Tamper",
-            device_class=DEVICE_CLASS_TAMPER,
-            entity_category=ENTITY_CATEGORY_DIAGNOSTIC,
-        ),
+        TAMPER_BINARY_SENSOR,
     ),
     # Emergency Button
     # https://developer.tuya.com/en/docs/iot/categorysos?id=Kaiuz3oi6agjy
@@ -112,12 +116,7 @@ BINARY_SENSORS: dict[str, tuple[TuyaBinarySensorEntityDescription, ...]] = {
             key=DPCode.SOS_STATE,
             device_class=DEVICE_CLASS_SAFETY,
         ),
-        TuyaBinarySensorEntityDescription(
-            key=DPCode.TEMPER_ALARM,
-            name="Tamper",
-            device_class=DEVICE_CLASS_TAMPER,
-            entity_category=ENTITY_CATEGORY_DIAGNOSTIC,
-        ),
+        TAMPER_BINARY_SENSOR,
     ),
     # Vibration Sensor
     # https://developer.tuya.com/en/docs/iot/categoryzd?id=Kaiuz3a5vrzno
diff --git a/homeassistant/components/tuya/const.py b/homeassistant/components/tuya/const.py
index bb98227f3b9..f0a1d92c58c 100644
--- a/homeassistant/components/tuya/const.py
+++ b/homeassistant/components/tuya/const.py
@@ -136,6 +136,7 @@ class DPCode(str, Enum):
     BRIGHT_VALUE_V2 = "bright_value_v2"
     C_F = "c_f"  # Temperature unit switching
     CHILD_LOCK = "child_lock"  # Child lock
+    CO2_STATE = "co2_state"
     CO2_VALUE = "co2_value"  # CO2 concentration
     COLOR_DATA_V2 = "color_data_v2"
     COLOUR_DATA = "colour_data"  # Colored light mode
diff --git a/homeassistant/components/tuya/sensor.py b/homeassistant/components/tuya/sensor.py
index 739ababfadd..469d2a2e83c 100644
--- a/homeassistant/components/tuya/sensor.py
+++ b/homeassistant/components/tuya/sensor.py
@@ -62,9 +62,29 @@ BATTERY_SENSORS: tuple[SensorEntityDescription, ...] = (
 # end up being a sensor.
 # https://developer.tuya.com/en/docs/iot/standarddescription?id=K9i5ql6waswzq
 SENSORS: dict[str, tuple[SensorEntityDescription, ...]] = {
-    # Door Window Sensor
-    # https://developer.tuya.com/en/docs/iot/s?id=K9gf48hm02l8m
-    "mcs": BATTERY_SENSORS,
+    # CO2 Detector
+    # https://developer.tuya.com/en/docs/iot/categoryco2bj?id=Kaiuz3wes7yuy
+    "co2bj": (
+        SensorEntityDescription(
+            key=DPCode.HUMIDITY_VALUE,
+            name="Humidity",
+            device_class=DEVICE_CLASS_HUMIDITY,
+            state_class=STATE_CLASS_MEASUREMENT,
+        ),
+        SensorEntityDescription(
+            key=DPCode.TEMP_CURRENT,
+            name="Temperature",
+            device_class=DEVICE_CLASS_TEMPERATURE,
+            state_class=STATE_CLASS_MEASUREMENT,
+        ),
+        SensorEntityDescription(
+            key=DPCode.CO2_VALUE,
+            name="Carbon Dioxide (CO2)",
+            device_class=DEVICE_CLASS_CO2,
+            state_class=STATE_CLASS_MEASUREMENT,
+        ),
+        *BATTERY_SENSORS,
+    ),
     # Switch
     # https://developer.tuya.com/en/docs/iot/s?id=K9gf7o5prgf7s
     "kg": (
@@ -124,6 +144,9 @@ SENSORS: dict[str, tuple[SensorEntityDescription, ...]] = {
         ),
         *BATTERY_SENSORS,
     ),
+    # Door Window Sensor
+    # https://developer.tuya.com/en/docs/iot/s?id=K9gf48hm02l8m
+    "mcs": BATTERY_SENSORS,
     # PIR Detector
     # https://developer.tuya.com/en/docs/iot/categorypir?id=Kaiuz3ss11b80
     "pir": BATTERY_SENSORS,