diff --git a/schemas/global.json b/schemas/global.json
index 012e2b9..57bbd61 100644
--- a/schemas/global.json
+++ b/schemas/global.json
@@ -40,6 +40,9 @@
                             "$ref": "legacy.json#/$defs/Aggregate"
                         },
                         {
+                            "$ref": "legacy.json#/$defs/ExitAirTempSensor"
+                        },
+                        {
                             "$ref": "virtual_sensor.json#/$defs/VirtualSensor"
                         },
                         {
diff --git a/schemas/legacy.json b/schemas/legacy.json
index 3edf7b8..13cfdfa 100644
--- a/schemas/legacy.json
+++ b/schemas/legacy.json
@@ -1,6 +1,51 @@
 {
     "$schema": "http://json-schema.org/draft-07/schema#",
     "$defs": {
+        "ExitAirTempSensor": {
+            "description": "implemented in dbus-sensors: ExitAirTempSensor",
+            "additionalProperties": false,
+            "properties": {
+                "AlphaF": {
+                    "$ref": "#/$defs/Types/AlphaF"
+                },
+                "AlphaS": {
+                    "$ref": "#/$defs/Types/AlphaS"
+                },
+                "Name": {
+                    "$ref": "#/$defs/Types/Name"
+                },
+                "PowerFactorMax": {
+                    "$ref": "#/$defs/Types/PowerFactorMax"
+                },
+                "PowerFactorMin": {
+                    "$ref": "#/$defs/Types/PowerFactorMin"
+                },
+                "QMax": {
+                    "$ref": "#/$defs/Types/QMax"
+                },
+                "QMin": {
+                    "$ref": "#/$defs/Types/QMin"
+                },
+                "Thresholds": {
+                    "$ref": "#/$defs/Types/Thresholds"
+                },
+                "Type": {
+                    "type": "string",
+                    "const": "ExitAirTempSensor"
+                }
+            },
+            "required": [
+                "Name",
+                "Type",
+                "AlphaF",
+                "AlphaS",
+                "PowerFactorMax",
+                "PowerFactorMin",
+                "QMax",
+                "QMin"
+            ],
+            "type": "object"
+        },
         "Aggregate": {
             "description": "Don't add additional properties to this schema. Consult README.schema for instructions on adding new Exposes element sub-schema.",
             "additionalProperties": false,
@@ -11,12 +56,6 @@
                 "AllowedFailures": {
                     "$ref": "#/$defs/Types/AllowedFailures"
                 },
-                "AlphaF": {
-                    "$ref": "#/$defs/Types/AlphaF"
-                },
-                "AlphaS": {
-                    "$ref": "#/$defs/Types/AlphaS"
-                },
                 "BindConnector": {
                     "$ref": "#/$defs/Types/BindConnector"
                 },
@@ -161,12 +200,6 @@
                 "Polling": {
                     "$ref": "#/$defs/Types/Polling"
                 },
-                "PowerFactorMax": {
-                    "$ref": "#/$defs/Types/PowerFactorMax"
-                },
-                "PowerFactorMin": {
-                    "$ref": "#/$defs/Types/PowerFactorMin"
-                },
                 "PowerPort": {
                     "$ref": "#/$defs/Types/PowerPort"
                 },
@@ -185,12 +218,6 @@
                 "Pwm": {
                     "$ref": "#/$defs/Types/Pwm"
                 },
-                "QMax": {
-                    "$ref": "#/$defs/Types/QMax"
-                },
-                "QMin": {
-                    "$ref": "#/$defs/Types/QMin"
-                },
                 "Rearm": {
                     "$ref": "#/$defs/Types/Rearm"
                 },
@@ -2064,7 +2091,6 @@
                     "GenericSMBusMux",
                     "cffps",
                     "ChassisIntrusionSensor",
-                    "ExitAirTempSensor",
                     "ExternalSensor",
                     "FanRedundancy",
                     "PURedundancy",