diff --git a/custom_components/airscape/__init__.py b/custom_components/airscape/__init__.py
index 28d96a4..fcb79e4 100644
--- a/custom_components/airscape/__init__.py
+++ b/custom_components/airscape/__init__.py
@@ -1,3 +1,4 @@
 """The Airscape component."""
 
 DOMAIN = "airscape"
+AIRSCAPE_DOMAIN = "airscape"
\ No newline at end of file
diff --git a/custom_components/airscape/const.py b/custom_components/airscape/const.py
index d761813..c1e7b7b 100644
--- a/custom_components/airscape/const.py
+++ b/custom_components/airscape/const.py
@@ -4,7 +4,8 @@
     "power": "Power",
     "inside": "Inside Temperature",
     "attic": "Attic Temperature",
-    "oa": "Ouside Temperature",
+    "oa": "Outside Temperature",
     "interlock1": "InterLock1",
     "interlock2": "InterLock2",
+    "timeremaining": "Shutoff Timer"
 }
diff --git a/custom_components/airscape/fan.py b/custom_components/airscape/fan.py
index a457f36..b6737aa 100644
--- a/custom_components/airscape/fan.py
+++ b/custom_components/airscape/fan.py
@@ -19,6 +19,7 @@
     CONF_MINIMUM
 )
 
+from . import AIRSCAPE_DOMAIN
 from .const import fan_to_hass_attr
 
 DEFAULT_TIMEOUT = 5
@@ -75,8 +76,17 @@ def service_slow_down(call):
         entity = hass.data[DOMAIN].get_entity(entity_id)
         entity.slow_down()
 
-    hass.services.register(DOMAIN, "airscape_speed_up", service_speed_up)
-    hass.services.register(DOMAIN, "airscape_slow_down", service_slow_down)
+    def service_add_time(call):
+        """Handle slow_down service call."""
+        entity_id = call.data.get("entity_id")
+        _LOGGER.debug("Calling add_time for %s", entity_id)
+
+        entity = hass.data[DOMAIN].get_entity(entity_id)
+        entity.add_time()
+
+    hass.services.register(AIRSCAPE_DOMAIN, "speed_up", service_speed_up)
+    hass.services.register(AIRSCAPE_DOMAIN, "slow_down", service_slow_down)
+    hass.services.register(AIRSCAPE_DOMAIN, "add_time", service_add_time)
 
     return True
 
@@ -156,7 +166,7 @@ def speed_up(self):
             airscape.exceptions.Timeout
         ):
             self._available = False
-
+    
     def slow_down(self):
         """Instruct fan to increment speed down by 1."""
         try:
@@ -167,6 +177,17 @@ def slow_down(self):
             airscape.exceptions.Timeout
         ):
             self._available = False
+    
+    def add_time(self):
+        """Add an hour to the shutoff timer."""
+        try:
+            self._fan.add_time()
+        except (
+            airscape.exceptions.ConnectionError,
+            airscape.exceptions.Timeout
+        ):
+            self._available = False
+
 
     @property
     def speed_list(self):
diff --git a/custom_components/airscape/manifest.json b/custom_components/airscape/manifest.json
index 24b49cc..3472634 100644
--- a/custom_components/airscape/manifest.json
+++ b/custom_components/airscape/manifest.json
@@ -2,11 +2,12 @@
     "domain": "airscape",
     "name": "Airscape Whole House Fan",
     "documentation": "https://www.home-assistant.io/components/fan.airscape",
+    "version": "0.1.1",
     "requirements": [
-        "airscape==0.1.8"
+        "airscape==0.1.8.1"
     ],
     "dependencies": [],
     "codeowners": [
         "@quielb"
     ]
-}
+}
\ No newline at end of file
diff --git a/custom_components/airscape/services.yaml b/custom_components/airscape/services.yaml
index 8b13789..9510542 100644
--- a/custom_components/airscape/services.yaml
+++ b/custom_components/airscape/services.yaml
@@ -1 +1,24 @@
-
+speed_up:
+  name: Speed Up
+  description: Bump the WHF speed up by 1.
+  fields:
+    entity_id:
+      name: Entity ID
+      description: Entity ID of the fan to change.
+      required: true
+slow_down:
+  name: Slow Down
+  description: Bump the WHF speed down by 1.
+  fields:
+    entity_id:
+      name: Entity ID
+      description: Entity ID of the fan to change.
+      required: true
+add_time:
+  name: Add Time
+  description: Add an hour to the automatic shutoff timer of the WHF.
+  fields:
+    entity_id:
+      name: Entity ID
+      description: Entity ID of the fan to change.
+      required: true
\ No newline at end of file