diff --git a/source/_docs/mqtt/discovery.markdown b/source/_docs/mqtt/discovery.markdown
index ec336658654..09892697175 100644
--- a/source/_docs/mqtt/discovery.markdown
+++ b/source/_docs/mqtt/discovery.markdown
@@ -308,6 +308,7 @@ Supported abbreviations for device registry configuration:
     'name':                'name',
     'mf':                  'manufacturer',
     'mdl':                 'model',
+    'hw':                  'hw_version',
     'sw':                  'sw_version',
     'sa':                  'suggested_area',
 ```
diff --git a/source/_integrations/alarm_control_panel.mqtt.markdown b/source/_integrations/alarm_control_panel.mqtt.markdown
index 3194873d5c5..0e635ab0c7f 100644
--- a/source/_integrations/alarm_control_panel.mqtt.markdown
+++ b/source/_integrations/alarm_control_panel.mqtt.markdown
@@ -135,6 +135,10 @@ device:
       description: 'A list of connections of the device to the outside world as a list of tuples `[connection_type, connection_identifier]`. For example the MAC address of a network interface: `"connections": [["mac", "02:5b:26:a8:dc:12"]]`.'
       required: false
       type: list
+    hw_version:
+      description: The hardware version of the device.
+      required: false
+      type: string
     identifiers:
       description: "A list of IDs that uniquely identify the device. For example a serial number."
       required: false
diff --git a/source/_integrations/binary_sensor.mqtt.markdown b/source/_integrations/binary_sensor.mqtt.markdown
index 849e69d15cb..035cabd138b 100644
--- a/source/_integrations/binary_sensor.mqtt.markdown
+++ b/source/_integrations/binary_sensor.mqtt.markdown
@@ -99,6 +99,10 @@ device:
       description: "A list of connections of the device to the outside world as a list of tuples `[connection_type, connection_identifier]`. For example the MAC address of a network interface: `'connections': ['mac', '02:5b:26:a8:dc:12']`."
       required: false
       type: [list, map]
+    hw_version:
+      description: The hardware version of the device.
+      required: false
+      type: string
     identifiers:
       description: A list of IDs that uniquely identify the device. For example a serial number.
       required: false
diff --git a/source/_integrations/button.mqtt.markdown b/source/_integrations/button.mqtt.markdown
index 087080634ed..9356f3f728d 100644
--- a/source/_integrations/button.mqtt.markdown
+++ b/source/_integrations/button.mqtt.markdown
@@ -96,6 +96,10 @@ device:
       description: 'A list of connections of the device to the outside world as a list of tuples `[connection_type, connection_identifier]`. For example the MAC address of a network interface: `"connections": [["mac", "02:5b:26:a8:dc:12"]]`.'
       required: false
       type: list
+    hw_version:
+      description: The hardware version of the device.
+      required: false
+      type: string
     identifiers:
       description: A list of IDs that uniquely identify the device. For example a serial number.
       required: false
diff --git a/source/_integrations/camera.mqtt.markdown b/source/_integrations/camera.mqtt.markdown
index c9276c0205e..4aa5a56ab23 100644
--- a/source/_integrations/camera.mqtt.markdown
+++ b/source/_integrations/camera.mqtt.markdown
@@ -98,6 +98,10 @@ device:
       description: 'A list of connections of the device to the outside world as a list of tuples `[connection_type, connection_identifier]`. For example the MAC address of a network interface: `"connections": ["mac", "02:5b:26:a8:dc:12"]`.'
       required: false
       type: list
+    hw_version:
+      description: The hardware version of the device.
+      required: false
+      type: string
     identifiers:
       description: 'A list of IDs that uniquely identify the device. For example a serial number.'
       required: false
diff --git a/source/_integrations/climate.mqtt.markdown b/source/_integrations/climate.mqtt.markdown
index a0408864e6c..959e7c8fe62 100644
--- a/source/_integrations/climate.mqtt.markdown
+++ b/source/_integrations/climate.mqtt.markdown
@@ -122,6 +122,10 @@ device:
       description: 'A list of connections of the device to the outside world as a list of tuples `[connection_type, connection_identifier]`. For example the MAC address of a network interface: `"connections": [["mac", "02:5b:26:a8:dc:12"]]`.'
       required: false
       type: list
+    hw_version:
+      description: The hardware version of the device.
+      required: false
+      type: string
     identifiers:
       description: 'A list of IDs that uniquely identify the device. For example a serial number.'
       required: false
diff --git a/source/_integrations/cover.mqtt.markdown b/source/_integrations/cover.mqtt.markdown
index 0315165875e..c0541b4a5af 100644
--- a/source/_integrations/cover.mqtt.markdown
+++ b/source/_integrations/cover.mqtt.markdown
@@ -109,6 +109,10 @@ device:
       description: 'A list of connections of the device to the outside world as a list of tuples `[connection_type, connection_identifier]`. For example the MAC address of a network interface: `"connections": ["mac", "02:5b:26:a8:dc:12"]`.'
       required: false
       type: list
+    hw_version:
+      description: "The hardware version of the device."
+      required: false
+      type: string
     identifiers:
       description: 'A list of IDs that uniquely identify the device. For example a serial number.'
       required: false
diff --git a/source/_integrations/device_tracker.mqtt.markdown b/source/_integrations/device_tracker.mqtt.markdown
index fea239e606d..e79615055fb 100644
--- a/source/_integrations/device_tracker.mqtt.markdown
+++ b/source/_integrations/device_tracker.mqtt.markdown
@@ -133,6 +133,10 @@ device:
       description: "A list of connections of the device to the outside world as a list of tuples `[connection_type, connection_identifier]`. For example the MAC address of a network interface: `'connections': ['mac', '02:5b:26:a8:dc:12']`."
       required: false
       type: [list, map]
+    hw_version:
+      description: The hardware version of the device.
+      required: false
+      type: string
     identifiers:
       description: A list of IDs that uniquely identify the device. For example a serial number.
       required: false
diff --git a/source/_integrations/fan.mqtt.markdown b/source/_integrations/fan.mqtt.markdown
index 48ace2c0f97..e1eb5fd9992 100644
--- a/source/_integrations/fan.mqtt.markdown
+++ b/source/_integrations/fan.mqtt.markdown
@@ -104,6 +104,10 @@ device:
       description: 'A list of connections of the device to the outside world as a list of tuples `[connection_type, connection_identifier]`. For example the MAC address of a network interface: `"connections": [["mac", "02:5b:26:a8:dc:12"]]`.'
       required: false
       type: [list, map]
+    hw_version:
+      description: The hardware version of the device.
+      required: false
+      type: string
     identifiers:
       description: A list of IDs that uniquely identify the device. For example a serial number.
       required: false
diff --git a/source/_integrations/humidifier.mqtt.markdown b/source/_integrations/humidifier.mqtt.markdown
index d89e3095a79..7a6ae783f3a 100644
--- a/source/_integrations/humidifier.mqtt.markdown
+++ b/source/_integrations/humidifier.mqtt.markdown
@@ -106,6 +106,10 @@ device:
       description: 'A list of connections of the device to the outside world as a list of tuples `[connection_type, connection_identifier]`. For example the MAC address of a network interface: `"connections": [["mac", "02:5b:26:a8:dc:12"]]`.'
       required: false
       type: [list, map]
+    hw_version:
+      description: The hardware version of the device.
+      required: false
+      type: string
     identifiers:
       description: A list of IDs that uniquely identify the device. For example a serial number.
       required: false
diff --git a/source/_integrations/light.mqtt.markdown b/source/_integrations/light.mqtt.markdown
index 3c6df6d18d1..82cdf58c9ec 100644
--- a/source/_integrations/light.mqtt.markdown
+++ b/source/_integrations/light.mqtt.markdown
@@ -167,6 +167,10 @@ device:
       description: 'A list of connections of the device to the outside world as a list of tuples `[connection_type, connection_identifier]`. For example the MAC address of a network interface: `"connections": [["mac", "02:5b:26:a8:dc:12"]]`.'
       required: false
       type: list
+    hw_version:
+      description: The hardware version of the device.
+      required: false
+      type: string
     identifiers:
       description: 'A list of IDs that uniquely identify the device. For example a serial number.'
       required: false
diff --git a/source/_integrations/lock.mqtt.markdown b/source/_integrations/lock.mqtt.markdown
index 405702eda53..f323e377447 100644
--- a/source/_integrations/lock.mqtt.markdown
+++ b/source/_integrations/lock.mqtt.markdown
@@ -102,6 +102,10 @@ device:
       description: 'A list of connections of the device to the outside world as a list of tuples `[connection_type, connection_identifier]`. For example the MAC address of a network interface: `"connections": [["mac", "02:5b:26:a8:dc:12"]]`.'
       required: false
       type: list
+    hw_version:
+      description: The hardware version of the device.
+      required: false
+      type: string
     identifiers:
       description: 'A list of IDs that uniquely identify the device. For example a serial number.'
       required: false
diff --git a/source/_integrations/number.mqtt.markdown b/source/_integrations/number.mqtt.markdown
index 9d98f91c971..ea393329dbe 100644
--- a/source/_integrations/number.mqtt.markdown
+++ b/source/_integrations/number.mqtt.markdown
@@ -89,6 +89,10 @@ device:
       description: 'A list of connections of the device to the outside world as a list of tuples `[connection_type, connection_identifier]`. For example the MAC address of a network interface: `"connections": ["mac", "02:5b:26:a8:dc:12"]`.'
       required: false
       type: list
+    hw_version:
+      description: The hardware version of the device.
+      required: false
+      type: string
     identifiers:
       description: 'A list of IDs that uniquely identify the device. For example a serial number.'
       required: false
diff --git a/source/_integrations/select.mqtt.markdown b/source/_integrations/select.mqtt.markdown
index 796b94e5269..69dc6bbe7b0 100644
--- a/source/_integrations/select.mqtt.markdown
+++ b/source/_integrations/select.mqtt.markdown
@@ -106,6 +106,10 @@ device:
       description: 'A list of connections of the device to the outside world as a list of tuples `[connection_type, connection_identifier]`. For example the MAC address of a network interface: `"connections": ["mac", "02:5b:26:a8:dc:12"]`.'
       required: false
       type: list
+    hw_version:
+      description: The hardware version of the device.
+      required: false
+      type: string
     identifiers:
       description: 'A list of IDs that uniquely identify the device. For example a serial number.'
       required: false
diff --git a/source/_integrations/sensor.mqtt.markdown b/source/_integrations/sensor.mqtt.markdown
index 8fc0e9cab7f..75418f5e1d0 100644
--- a/source/_integrations/sensor.mqtt.markdown
+++ b/source/_integrations/sensor.mqtt.markdown
@@ -90,6 +90,10 @@ device:
       description: 'A list of connections of the device to the outside world as a list of tuples `[connection_type, connection_identifier]`. For example the MAC address of a network interface: `"connections": [["mac", "02:5b:26:a8:dc:12"]]`.'
       required: false
       type: list
+    hw_version:
+      description: The hardware version of the device.
+      required: false
+      type: string
     identifiers:
       description: A list of IDs that uniquely identify the device. For example a serial number.
       required: false
diff --git a/source/_integrations/siren.mqtt.markdown b/source/_integrations/siren.mqtt.markdown
index 03d06dad796..2ed69491d47 100644
--- a/source/_integrations/siren.mqtt.markdown
+++ b/source/_integrations/siren.mqtt.markdown
@@ -112,6 +112,10 @@ device:
       description: 'A list of connections of the device to the outside world as a list of tuples `[connection_type, connection_identifier]`. For example the MAC address of a network interface: `"connections": [["mac", "02:5b:26:a8:dc:12"]]`.'
       required: false
       type: list
+    hw_version:
+      description: The hardware version of the device.
+      required: false
+      type: string
     identifiers:
       description: A list of IDs that uniquely identify the device. For example a serial number.
       required: false
diff --git a/source/_integrations/switch.mqtt.markdown b/source/_integrations/switch.mqtt.markdown
index 6b7b01af154..32d027cf0fc 100644
--- a/source/_integrations/switch.mqtt.markdown
+++ b/source/_integrations/switch.mqtt.markdown
@@ -100,6 +100,10 @@ device:
       description: 'A list of connections of the device to the outside world as a list of tuples `[connection_type, connection_identifier]`. For example the MAC address of a network interface: `"connections": [["mac", "02:5b:26:a8:dc:12"]]`.'
       required: false
       type: list
+    hw_version:
+      description: The hardware version of the device.
+      required: false
+      type: string
     identifiers:
       description: A list of IDs that uniquely identify the device. For example a serial number.
       required: false
diff --git a/source/_integrations/tag.mqtt.markdown b/source/_integrations/tag.mqtt.markdown
index 6fe6e444fd6..fef5180e88f 100644
--- a/source/_integrations/tag.mqtt.markdown
+++ b/source/_integrations/tag.mqtt.markdown
@@ -37,6 +37,10 @@ device:
       description: "A list of connections of the device to the outside world as a list of tuples `[connection_type, connection_identifier]`. For example the MAC address of a network interface: `'connections': ['mac', '02:5b:26:a8:dc:12']`."
       required: false
       type: [list, map]
+    hw_version:
+      description: The hardware version of the device.
+      required: false
+      type: string
     identifiers:
       description: A list of IDs that uniquely identify the device. For example a serial number.
       required: false
diff --git a/source/_integrations/vacuum.mqtt.markdown b/source/_integrations/vacuum.mqtt.markdown
index ec40ccf4be1..b6639ecca2a 100644
--- a/source/_integrations/vacuum.mqtt.markdown
+++ b/source/_integrations/vacuum.mqtt.markdown
@@ -396,6 +396,10 @@ device:
       description: 'A list of connections of the device to the outside world as a list of tuples `[connection_type, connection_identifier]`. For example the MAC address of a network interface: `"connections": [["mac", "02:5b:26:a8:dc:12"]]`.'
       required: false
       type: list
+    hw_version:
+      description: The hardware version of the device.
+      required: false
+      type: string
     identifiers:
       description: A list of IDs that uniquely identify the device. For example a serial number.
       required: false