diff --git a/homeassistant/components/climate/honeywell.py b/homeassistant/components/climate/honeywell.py
index 540a9a941d1..0d31cdd1387 100644
--- a/homeassistant/components/climate/honeywell.py
+++ b/homeassistant/components/climate/honeywell.py
@@ -223,7 +223,6 @@ class HoneywellUSThermostat(ClimateDevice):
     @property
     def current_temperature(self):
         """Return the current temperature."""
-        self._device.refresh()
         return self._device.current_temperature
 
     @property
@@ -274,3 +273,7 @@ class HoneywellUSThermostat(ClimateDevice):
         """Set the system mode (Cool, Heat, etc)."""
         if hasattr(self._device, ATTR_SYSTEM_MODE):
             self._device.system_mode = operation_mode
+
+    def update(self):
+        """Update the state."""
+        self._device.refresh()
diff --git a/homeassistant/components/climate/radiotherm.py b/homeassistant/components/climate/radiotherm.py
index 5fa3f891aac..d06e148cfdd 100644
--- a/homeassistant/components/climate/radiotherm.py
+++ b/homeassistant/components/climate/radiotherm.py
@@ -135,9 +135,9 @@ class RadioThermostat(ClimateDevice):
         if temperature is None:
             return
         if self._current_operation == STATE_COOL:
-            self.device.t_cool = temperature
+            self.device.t_cool = round(temperature * 2.0) / 2.0
         elif self._current_operation == STATE_HEAT:
-            self.device.t_heat = temperature
+            self.device.t_heat = round(temperature * 2.0) / 2.0
         if self.hold_temp:
             self.device.hold = 1
         else:
@@ -159,6 +159,6 @@ class RadioThermostat(ClimateDevice):
         elif operation_mode == STATE_AUTO:
             self.device.tmode = 3
         elif operation_mode == STATE_COOL:
-            self.device.t_cool = self._target_temperature
+            self.device.t_cool = round(self._target_temperature * 2.0) / 2.0
         elif operation_mode == STATE_HEAT:
-            self.device.t_heat = self._target_temperature
+            self.device.t_heat = round(self._target_temperature * 2.0) / 2.0
diff --git a/homeassistant/components/switch/pilight.py b/homeassistant/components/switch/pilight.py
index 1818372f1dc..f07d91ca9fb 100644
--- a/homeassistant/components/switch/pilight.py
+++ b/homeassistant/components/switch/pilight.py
@@ -37,8 +37,10 @@ SWITCHES_SCHEMA = vol.Schema({
     vol.Required(CONF_ON_CODE): COMMAND_SCHEMA,
     vol.Required(CONF_OFF_CODE): COMMAND_SCHEMA,
     vol.Optional(CONF_NAME): cv.string,
-    vol.Optional(CONF_OFF_CODE_RECIEVE): COMMAND_SCHEMA,
-    vol.Optional(CONF_ON_CODE_RECIEVE): COMMAND_SCHEMA,
+    vol.Optional(CONF_OFF_CODE_RECIEVE, default=[]): vol.All(cv.ensure_list,
+                                                             [COMMAND_SCHEMA]),
+    vol.Optional(CONF_ON_CODE_RECIEVE, default=[]): vol.All(cv.ensure_list,
+                                                            [COMMAND_SCHEMA])
 })
 
 PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
diff --git a/homeassistant/const.py b/homeassistant/const.py
index 299e437be3c..0eb2384517d 100644
--- a/homeassistant/const.py
+++ b/homeassistant/const.py
@@ -2,7 +2,7 @@
 """Constants used by Home Assistant components."""
 MAJOR_VERSION = 0
 MINOR_VERSION = 32
-PATCH_VERSION = '1'
+PATCH_VERSION = '2'
 __short_version__ = '{}.{}'.format(MAJOR_VERSION, MINOR_VERSION)
 __version__ = '{}.{}'.format(__short_version__, PATCH_VERSION)
 REQUIRED_PYTHON_VER = (3, 4, 2)
diff --git a/homeassistant/helpers/entity_component.py b/homeassistant/helpers/entity_component.py
index a648de1d650..1144ee112e7 100644
--- a/homeassistant/helpers/entity_component.py
+++ b/homeassistant/helpers/entity_component.py
@@ -279,6 +279,7 @@ class EntityPlatform(object):
         self.entity_namespace = entity_namespace
         self.platform_entities = []
         self._async_unsub_polling = None
+        self._process_updates = False
 
     def add_entities(self, new_entities, update_before_add=False):
         """Add entities for a single platform."""
@@ -335,14 +336,37 @@ class EntityPlatform(object):
             self._async_unsub_polling()
             self._async_unsub_polling = None
 
-    @callback
+    @asyncio.coroutine
     def _update_entity_states(self, now):
         """Update the states of all the polling entities.
 
+        To protect from flooding the executor, we will update async entities
+        in parallel and other entities sequential.
+
         This method must be run in the event loop.
         """
-        for entity in self.platform_entities:
-            if entity.should_poll:
-                self.component.hass.loop.create_task(
-                    entity.async_update_ha_state(True)
-                )
+        if self._process_updates:
+            return
+        self._process_updates = True
+
+        try:
+            tasks = []
+            to_update = []
+
+            for entity in self.platform_entities:
+                if not entity.should_poll:
+                    continue
+
+                update_coro = entity.async_update_ha_state(True)
+                if hasattr(entity, 'async_update'):
+                    tasks.append(update_coro)
+                else:
+                    to_update.append(update_coro)
+
+            for update_coro in to_update:
+                yield from update_coro
+
+            if tasks:
+                yield from asyncio.wait(tasks, loop=self.component.hass.loop)
+        finally:
+            self._process_updates = False