diff --git a/custom_components/localthings/registry/by_type/__init__.py b/custom_components/localthings/registry/by_type/__init__.py
index 7f6b864..73a6c95 100644
--- a/custom_components/localthings/registry/by_type/__init__.py
+++ b/custom_components/localthings/registry/by_type/__init__.py
@@ -122,6 +122,15 @@ def for_device_by_model(model_num: str, description: str) -> Optional[DeviceRegi
     # resource (see airconditioner.py's _AC_IGNORED).
     if key is None and '-CAWW-' in (model_num or '').upper():
         key = 'airconditioner'
+    # Window air conditioners (e.g. TP1X_DA_AC_WAC_01001_0000, issue #87)
+    # report no oneUiVersion and carry the '_WAC_' (Window Air Conditioner)
+    # token instead of '_RAC_'/'_PRAC_'. Same TP1X-class resource surface
+    # as the room-AC models above (mode/convenient/wind/temperature/power/
+    # filter/humidity all confirmed against the issue #87 dump binding
+    # cleanly against the existing airconditioner registry once routed
+    # here) -- no WAC-specific resources needed.
+    if key is None and '_WAC_' in (model_num or ''):
+        key = 'airconditioner'
     # Air purifiers (e.g. ARTIK051_TVTL_18K, issue #56) report no
     # oneUiVersion either, and carry the '_TVTL_' board-family token.
     if key is None and '_TVTL_' in (model_num or ''):
diff --git a/tests/fixtures/airconditioner_window_ac_device.json b/tests/fixtures/airconditioner_window_ac_device.json
new file mode 100644
index 0000000..c02ae37
--- /dev/null
+++ b/tests/fixtures/airconditioner_window_ac_device.json
@@ -0,0 +1,523 @@
+{
+  "device0": [
+    {
+      "rt": [
+        "x.com.samsung.devcol",
+        "oic.wk.col"
+      ],
+      "if": [
+        "oic.if.baseline",
+        "oic.if.ll",
+        "oic.if.b"
+      ]
+    },
+    {
+      "href": "/aisleep/vs/0",
+      "rep": {
+        "x.com.samsung.da.displayNightMode": "Off",
+        "x.com.samsung.da.elapsedTime": "0",
+        "x.com.samsung.da.requestFeedback": "Off",
+        "x.com.samsung.da.resultFeedback": "0",
+        "x.com.samsung.da.statusFeedback": "Idle",
+        "x.com.samsung.da.sleepTime": "14002200"
+      }
+    },
+    {
+      "href": "/alarms/vs/0",
+      "rep": {
+        "x.com.samsung.da.items": [
+          {
+            "x.com.samsung.da.id": "0",
+            "x.com.samsung.da.description": "Alarm",
+            "x.com.samsung.da.alarmType": "Device",
+            "x.com.samsung.da.code": "ErrorCode_OFF",
+            "x.com.samsung.da.triggeredTime": "2026-07-26T06:26:40",
+            "x.com.samsung.da.state": "Deleted"
+          },
+          {
+            "x.com.samsung.da.id": "1",
+            "x.com.samsung.da.description": "Alarm",
+            "x.com.samsung.da.alarmType": "Device",
+            "x.com.samsung.da.code": "FilterAlarm_OFF",
+            "x.com.samsung.da.triggeredTime": "2026-07-26T06:26:40",
+            "x.com.samsung.da.state": "Deleted"
+          }
+        ]
+      }
+    },
+    {
+      "href": "/availablecontrolsets/vs/0",
+      "rep": {
+        "x.com.samsung.da.sets": "8D0D00B4012C3F21064804000000",
+        "x.com.samsung.da.id": "RAC",
+        "x.com.samsung.da.version": "1.0"
+      }
+    },
+    {
+      "href": "/configuration/vs/0",
+      "rep": {
+        "x.com.samsung.da.region": "2647000000",
+        "x.com.samsung.da.airconOptionList": [
+          "SingleCommand_1",
+          "DR",
+          "HOMECARE_WIZARD_V2",
+          "AI_RAC_KOREA_COOLONLY_3.0",
+          "AI_3.0",
+          "Auto_To_AI"
+        ]
+      }
+    },
+    {
+      "href": "/connectionconfig/vs/0",
+      "rep": {
+        "autoReconnectionMinVersion": "1.0",
+        "autoReconnection": "true",
+        "autoReconnectionProtocolType": [
+          "helper_hotspot",
+          "ble_ocf"
+        ],
+        "supportedWiFiAuthType": [
+          "OPEN",
+          "WEP",
+          "WPA-PSK",
+          "WPA2-PSK",
+          "SAE"
+        ],
+        "supportedWiFiCryptoType": [
+          "TKIP",
+          "AES",
+          "WEP-64",
+          "WEP-128"
+        ],
+        "supportedWiFiFreq": [
+          "2.4G"
+        ],
+        "calmConnectionCare": {
+          "version": "1.0",
+          "role": [
+            "things"
+          ]
+        }
+      }
+    },
+    {
+      "href": "/drlc/0",
+      "rep": {
+        "DRLevel": 0,
+        "start": "1970-01-01T00:00:00Z",
+        "duration": 0,
+        "override": false
+      }
+    },
+    {
+      "href": "/drlc/vs/0",
+      "rep": {
+        "x.com.samsung.da.drlcLevel": "0",
+        "x.com.samsung.da.duration": "00:00:00",
+        "x.com.samsung.da.drlcStartTime": "1970-01-01T00:00:00Z",
+        "x.com.samsung.da.override": "Off",
+        "x.com.samsung.da.realSaving": "Off"
+      }
+    },
+    {
+      "href": "/energy/consumption/0",
+      "rep": {
+        "power": 244.0
+      }
+    },
+    {
+      "href": "/energy/consumption/vs/0",
+      "rep": {
+        "x.com.samsung.da.instantaneousPower": "244.000000",
+        "x.com.samsung.da.cumulativePower": "11001",
+        "x.com.samsung.da.cumulativeSavedPower": "0",
+        "x.com.samsung.da.cumulativeUnit": "Wh",
+        "x.com.samsung.da.instantaneousPowerUnit": "W",
+        "x.com.samsung.da.cumulativePowerType": "total"
+      }
+    },
+    {
+      "href": "/file/information/vs/0",
+      "rep": {
+        "x.com.samsung.timeoffset": "+09:00",
+        "x.com.samsung.supprtedtype": 1
+      }
+    },
+    {
+      "href": "/filter/airdustfilter/vs/0",
+      "rep": {
+        "x.com.samsung.da.filterUsage": "20",
+        "x.com.samsung.da.filterUsageResolution": "1",
+        "x.com.samsung.da.filterDesiredUsage": "500",
+        "x.com.samsung.da.filterStatus": "normal",
+        "x.com.samsung.da.filterCapacity": "500",
+        "x.com.samsung.da.filterCapacityUnit": "Hour",
+        "x.com.samsung.da.filterResetType": [
+          "replaceable",
+          "washable"
+        ]
+      }
+    },
+    {
+      "href": "/humidity/0",
+      "rep": {
+        "humidity": 0
+      }
+    },
+    {
+      "href": "/humidity/vs/0",
+      "rep": {
+        "x.com.samsung.da.humidity": "0",
+        "x.com.samsung.da.fivepercentHumidity": "60"
+      }
+    },
+    {
+      "href": "/information/vs/0",
+      "rep": {
+        "x.com.samsung.da.modelNum": "TP1X_DA_AC_WAC_01001_0000|10254341|60050000001711014E00402000002000",
+        "x.com.samsung.da.description": "TP1X_DA_AC_WAC_01001_0000",
+        "x.com.samsung.da.serialNum": "**REDACTED**",
+        "x.com.samsung.da.otnDUID": "**REDACTED**",
+        "x.com.samsung.da.diagProtocolType": "BLE_OCF",
+        "x.com.samsung.da.diagLogType": [
+          "errCode",
+          "dump"
+        ],
+        "x.com.samsung.da.diagDumpType": "file",
+        "x.com.samsung.da.diagEndPoint": "SSM",
+        "x.com.samsung.da.diagMnid": "0AJT",
+        "x.com.samsung.da.diagSetupid": "AW0",
+        "x.com.samsung.da.diagMinVersion": "3.0",
+        "x.com.samsung.da.diagTsId": "DA01",
+        "x.com.samsung.da.items": [
+          {
+            "x.com.samsung.da.id": "0",
+            "x.com.samsung.da.description": "Version",
+            "x.com.samsung.da.type": "Software",
+            "x.com.samsung.da.number": "02545A260601",
+            "x.com.samsung.da.newVersionAvailable": "0"
+          },
+          {
+            "x.com.samsung.da.id": "1",
+            "x.com.samsung.da.description": "Version",
+            "x.com.samsung.da.type": "Firmware",
+            "x.com.samsung.da.number": "02543A24061800,FFFFFFFFFFFFFF",
+            "x.com.samsung.da.newVersionAvailable": "0"
+          },
+          {
+            "x.com.samsung.da.id": "2",
+            "x.com.samsung.da.description": "Version",
+            "x.com.samsung.da.type": "Outdoor",
+            "x.com.samsung.da.number": "02580A10000100,FFFFFFFFFFFFFF"
+          },
+          {
+            "x.com.samsung.da.id": "3",
+            "x.com.samsung.da.description": "Version",
+            "x.com.samsung.da.type": "Touch IC",
+            "x.com.samsung.da.number": "02553A23031600,FFFFFFFFFFFFFF"
+          }
+        ]
+      }
+    },
+    {
+      "href": "/keepnormalstate/vs/0",
+      "rep": {
+        "x.com.samsung.da.keepnormal": 0
+      }
+    },
+    {
+      "href": "/light/vs/0",
+      "rep": {
+        "mode": "On",
+        "supportedModes": [
+          "On",
+          "Off"
+        ]
+      }
+    },
+    {
+      "href": "/mode/convenient/vs/0",
+      "rep": {
+        "x.com.samsung.da.modes": "Off",
+        "x.com.samsung.da.supportedModes": [
+          "Off",
+          "Quiet",
+          "Nano",
+          "NanoSleep"
+        ]
+      }
+    },
+    {
+      "href": "/mode/vs/0",
+      "rep": {
+        "x.com.samsung.da.supportedModes": [
+          "AIComfort",
+          "Cool",
+          "Dry",
+          "Fan"
+        ],
+        "x.com.samsung.da.modes": [
+          "Cool"
+        ],
+        "x.com.samsung.da.options": [
+          "OnTimer_0",
+          "OffTimer_0",
+          "ArtificialWorking_Off",
+          "ComfortAICooling_Off",
+          "AiTempChanged_Off",
+          "AiTemp_230",
+          "Volume_Mute",
+          "OutdoorTemp_97",
+          "CoolCapa_0",
+          "StopAutoClean_Idle",
+          "Autoclean_Off",
+          "OptionCode_51320",
+          "ExtendOptionCode_230093",
+          "RacInfo_None",
+          "UpdateAllow_NotAllowed",
+          "DurationOn_93",
+          "WelcomeCoolingState_Off"
+        ]
+      }
+    },
+    {
+      "href": "/option/autoclean/vs/0",
+      "rep": {
+        "x.com.samsung.da.status": "Stop",
+        "x.com.samsung.da.settingStatus": "Off",
+        "x.com.samsung.da.progress": "0",
+        "x.com.samsung.da.supportedStatus": [
+          "Start",
+          "Stop"
+        ],
+        "x.com.samsung.da.supportedSettingStatus": [
+          "On",
+          "Off"
+        ]
+      }
+    },
+    {
+      "href": "/option/muteonce/vs/0",
+      "rep": {
+        "muteonce": "Off"
+      }
+    },
+    {
+      "href": "/otninformation/vs/0",
+      "rep": {
+        "x.com.samsung.da.target": "",
+        "x.com.samsung.da.newVersionAvailable": "false",
+        "x.com.samsung.da.newVersionNo": "00000000",
+        "x.com.samsung.da.currentVersionInfo": "00000000",
+        "otnStatus": "None",
+        "flashingProgress": "",
+        "otnTarget": "main",
+        "otnCompleteDate": "noHistory",
+        "otnList": [
+          {
+            "type": "WIFI",
+            "modelId": "AWA-KR-TP1-23-AW7000",
+            "versions": [
+              "15260601"
+            ],
+            "visVersion": "260601"
+          },
+          {
+            "type": "Micom",
+            "modelId": "042010254341FFFFFFFF",
+            "versions": [
+              "24061800",
+              "FFFFFFFF"
+            ],
+            "visVersion": "240618"
+          },
+          {
+            "type": "Micom",
+            "modelId": "042010258041FFFFFFFF",
+            "versions": [
+              "10000100",
+              "FFFFFFFF"
+            ],
+            "visVersion": "100001"
+          },
+          {
+            "type": "Micom",
+            "modelId": "042010255341FFFFFFFF",
+            "versions": [
+              "23031600",
+              "FFFFFFFF"
+            ],
+            "visVersion": "230316"
+          }
+        ]
+      }
+    },
+    {
+      "href": "/personality/presence/vs/0",
+      "rep": {
+        "x.com.samsung.da.items": [
+          {
+            "x.com.samsung.da.id": "",
+            "x.com.samsung.da.deviceId": "**REDACTED**",
+            "x.com.samsung.da.value": ""
+          }
+        ]
+      }
+    },
+    {
+      "href": "/power/0",
+      "rep": {
+        "value": true
+      }
+    },
+    {
+      "href": "/power/vs/0",
+      "rep": {
+        "x.com.samsung.da.power": "On",
+        "causeSource": "SMTS"
+      }
+    },
+    {
+      "href": "/quickcontrol/info/vs/0",
+      "rep": {
+        "supportedVersion": "1.0"
+      }
+    },
+    {
+      "href": "/realtimenotiforclient/vs/0",
+      "rep": {
+        "x.com.samsung.da.timeforshortnoti": "0",
+        "x.com.samsung.da.longnotisubscription": "true",
+        "x.com.samsung.da.periodicnotisubscription": "true"
+      }
+    },
+    {
+      "href": "/reserverulesets/vs/0",
+      "rep": {
+        "x.com.samsung.da.sets": "8DFFFFFFFF121E121E0000FFFFFFFFFFFF01000000011F0000000000000000001F8C00",
+        "x.com.samsung.da.id": "WAC",
+        "x.com.samsung.da.version": "1.0"
+      }
+    },
+    {
+      "href": "/selfcheck/vs/0",
+      "rep": {
+        "x.com.samsung.da.start": "Cancel",
+        "x.com.samsung.da.status": "Ready",
+        "x.com.samsung.da.progress": "0",
+        "x.com.samsung.da.result": "NA",
+        "x.com.samsung.da.supportedActions": [
+          "Start",
+          "Cancel"
+        ],
+        "x.com.samsung.da.error": [
+          "DA_ERROR_NONE"
+        ]
+      }
+    },
+    {
+      "href": "/sensors/vs/0",
+      "rep": {}
+    },
+    {
+      "href": "/temperature/control/vs/0",
+      "rep": {
+        "x.com.samsung.da.increment": "1"
+      }
+    },
+    {
+      "href": "/temperature/current/0",
+      "rep": {
+        "range": [
+          16,
+          30
+        ],
+        "units": "C",
+        "temperature": 30.0
+      }
+    },
+    {
+      "href": "/temperature/desired/0",
+      "rep": {
+        "range": [
+          16,
+          30
+        ],
+        "units": "C",
+        "temperature": 30.0
+      }
+    },
+    {
+      "href": "/temperatures/vs/0",
+      "rep": {
+        "x.com.samsung.da.items": [
+          {
+            "x.com.samsung.da.id": "0",
+            "x.com.samsung.da.description": "Temperature",
+            "x.com.samsung.da.desired": "30.0",
+            "x.com.samsung.da.current": "30.0",
+            "x.com.samsung.da.maximum": "30",
+            "x.com.samsung.da.minimum": "18",
+            "x.com.samsung.da.increment": "1.0",
+            "x.com.samsung.da.unit": "Celsius"
+          }
+        ]
+      }
+    },
+    {
+      "href": "/timezone/vs/0",
+      "rep": {
+        "timezoneid": "Asia/Seoul",
+        "offset": "+09:00",
+        "DST": "OFF"
+      }
+    },
+    {
+      "href": "/welcome/temperature/vs/0",
+      "rep": {
+        "operatingStatus": "None",
+        "requestId": "0000"
+      }
+    },
+    {
+      "href": "/wind/direction/vs/0",
+      "rep": {
+        "x.com.samsung.da.modes": "Fix",
+        "x.com.samsung.da.supportedModes": [
+          "Fix",
+          "Left_And_Right"
+        ]
+      }
+    },
+    {
+      "href": "/wind/strength/vs/0",
+      "rep": {
+        "x.com.samsung.da.modes": "1",
+        "x.com.samsung.da.supportedModes": [
+          "0",
+          "1",
+          "2",
+          "3",
+          "4",
+          "5"
+        ],
+        "x.com.samsung.da.modesName": [
+          "Auto",
+          "1",
+          "2",
+          "3",
+          "4",
+          "5"
+        ]
+      }
+    },
+    {
+      "href": "/wirelessinfo/vs/0",
+      "rep": {
+        "macaddressWiFi": "**REDACTED**",
+        "macaddressBLE": "**REDACTED**",
+        "connectedApSsid": "**REDACTED**"
+      }
+    }
+  ]
+}
\ No newline at end of file
diff --git a/tests/fixtures/golden/airconditioner_window_ac.json b/tests/fixtures/golden/airconditioner_window_ac.json
new file mode 100644
index 0000000..ea27504
--- /dev/null
+++ b/tests/fixtures/golden/airconditioner_window_ac.json
@@ -0,0 +1,18 @@
+{
+  "state_keys": [
+    "air_filter_status",
+    "air_filter_usage",
+    "alarm_code",
+    "auto_clean",
+    "climate",
+    "display_light",
+    "energy_kwh",
+    "energy_saved_kwh",
+    "firmware_update",
+    "mute_once",
+    "power_watts",
+    "selfcheck_error",
+    "selfcheck_result",
+    "selfcheck_status"
+  ]
+}
diff --git a/tests/test_by_type.py b/tests/test_by_type.py
index 656f937..0aed644 100644
--- a/tests/test_by_type.py
+++ b/tests/test_by_type.py
@@ -190,6 +190,19 @@ class TestForDeviceByModel:
         assert reg is not None
         assert reg.name == 'airconditioner'
 
+    def test_airconditioner_via_wac_token(self):
+        """Issue #87: a Bespoke Window AC (AW06C7155EWAZ) reports no
+        oneUiVersion and a modelNum carrying the '_WAC_' (Window Air
+        Conditioner) token instead of '_RAC_'/'_PRAC_'; falls back to the
+        '_WAC_' token in modelNum."""
+        from custom_components.localthings.registry.by_type import for_device_by_model
+        reg = for_device_by_model(
+            'TP1X_DA_AC_WAC_01001_0000|40460041|50030018001611020A00000000000000',
+            'AW06C7155EWAZ',
+        )
+        assert reg is not None
+        assert reg.name == 'airconditioner'
+
     def test_cooktop_via_legacy_model_description(self):
         """Older cooktops identify themselves as ARTIK051_GLOBAL_COOKTOP."""
         from custom_components.localthings.registry.by_type import for_device_by_model
diff --git a/tests/test_golden_regression.py b/tests/test_golden_regression.py
index 56ba878..3d8d413 100644
--- a/tests/test_golden_regression.py
+++ b/tests/test_golden_regression.py
@@ -231,6 +231,23 @@ def test_registry_reproduces_golden_state_keys_for_caww_tp2():
     )
 
 
+def test_registry_reproduces_golden_state_keys_for_window_ac():
+    """TP1X_DA_AC_WAC_01001_0000 (issue #87, Bespoke Window AC AW06C7155EWAZ)
+    reports no oneUiVersion and carries the '_WAC_' (Window Air Conditioner)
+    token instead of '_RAC_'/'_PRAC_'; resolved via the '_WAC_' modelNum
+    fallback in for_device_by_model. Otherwise binds cleanly against the
+    existing airconditioner registry with zero unbound hrefs."""
+    from tests.conftest import _load_device
+    resources = _load_device('airconditioner_window_ac')
+    golden = json.loads((GOLDEN / 'airconditioner_window_ac.json').read_text())
+    state_keys = _new_state_keys('airconditioner_window_ac', resources)
+    assert set(state_keys) == set(golden['state_keys']), (
+        f"state_keys mismatch:\n"
+        f"  extra:   {sorted(set(state_keys) - set(golden['state_keys']))}\n"
+        f"  missing: {sorted(set(golden['state_keys']) - set(state_keys))}"
+    )
+
+
 def test_registry_reproduces_golden_state_keys_for_tp1x_rac():
     """TP1X_DA-AC-RAC-01001_0000 (issue #38) -- fuller RAC board with display
     light, self-check, mute-once, and a current-limit setting."""