diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3f3fef58..f1c08571 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -14,6 +14,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - API
   - AutoNameEnum.from_str does now take a default parameter_ 
   - HeatingThermostat.**valveActualTemperature** = we are now able to read the measured temperature on the VALVE!
+  - Async/HeatingFailureAlertRuleGroup
 
 ## [0.10.5] - 2019-01-26
 ### Added
diff --git a/homematicip/group.py b/homematicip/group.py
index 5942df28..3b564d3e 100644
--- a/homematicip/group.py
+++ b/homematicip/group.py
@@ -719,8 +719,13 @@ def from_json(self, js, devices):
         self.lastExecutionTimestamp = self.fromtimestamp(js["lastExecutionTimestamp"])
         self.lastStatusUpdate = self.fromtimestamp(js["lastStatusUpdate"])
 
-        # TODO
-        # self.outdoorClimateSensor
+        jsOutdoorClimateSensor = js["outdoorClimateSensor"]
+        if jsOutdoorClimateSensor != None:
+            did = jsOutdoorClimateSensor["deviceId"]
+            for d in devices:
+                if d.id == did:
+                    self.outdoorClimateSensor = d
+                    break
 
     def __str__(self):
         return (
diff --git a/tests/json_data/home.json b/tests/json_data/home.json
index fef4c62c..053b166e 100644
--- a/tests/json_data/home.json
+++ b/tests/json_data/home.json
@@ -4460,6 +4460,38 @@
             "type": "HUMIDITY_WARNING_RULE_GROUP",
             "unreach": false,
             "ventilationRecommended": true
+        },
+        "00000000-0000-0000-0000-000000000049": {
+            "channels": [
+                {
+                    "channelIndex": 1,
+                    "deviceId": "3014F7110000000000000038"
+                },
+                {
+                    "channelIndex": 1,
+                    "deviceId": "3014F7110000000000000023"
+                }
+            ],
+            "dutyCycle": false,
+            "enabled": true,
+            "homeId": "00000000-0000-0000-0000-000000000001",
+            "humidityLowerThreshold": 30,
+            "humidityUpperThreshold": 60,
+            "humidityValidationResult": null,
+            "id": "00000000-0000-0000-0000-000000000049",
+            "label": "Schlafzimmer",
+            "lastExecutionTimestamp": 0,
+            "lastStatusUpdate": 1551003370150,
+            "lowBat": false,
+            "metaGroupId": "00000000-0000-0000-0000-000000000008",
+            "outdoorClimateSensor": {
+                "channelIndex": 1,
+                "deviceId": "3014F7110000000000000038"
+            },
+            "triggered": false,
+            "type": "HUMIDITY_WARNING_RULE_GROUP",
+            "unreach": false,
+            "ventilationRecommended": false
         }
     },
     "home": {
diff --git a/tests/test_groups.py b/tests/test_groups.py
index a7baf1b3..4c6a3188 100644
--- a/tests/test_groups.py
+++ b/tests/test_groups.py
@@ -345,7 +345,12 @@ def test_humidity_warning_rule_group(fake_home: Home):
             "triggered(False) lastExecutionTimestamp(2019-02-28 22:05:05.665000) "
             "lastStatusUpdate(2019-02-28 22:08:24.260000) ventilationRecommended(True)"
         )
+        assert g.outdoorClimateSensor == None
 
+        g = fake_home.search_group_by_id("00000000-0000-0000-0000-000000000049")
+        d = fake_home.search_device_by_id("3014F7110000000000000038")
+        assert g.outdoorClimateSensor == d
+        
 
 def test_all_groups_implemented(fake_home: Home):
     for g in fake_home.groups: