diff --git a/hassio/__main__.py b/hassio/__main__.py
index 4d6f0d6b9..b64bad447 100644
--- a/hassio/__main__.py
+++ b/hassio/__main__.py
@@ -5,7 +5,6 @@ import logging
 import sys
 
 import hassio.bootstrap as bootstrap
-import hassio.core as core
 
 _LOGGER = logging.getLogger(__name__)
 
@@ -34,14 +33,13 @@ if __name__ == "__main__":
 
     _LOGGER.info("Initialize Hassio setup")
     coresys = bootstrap.initialize_coresys(loop)
-    hassio = core.HassIO(coresys)
 
     bootstrap.migrate_system_env(coresys)
 
     _LOGGER.info("Setup HassIO")
-    loop.run_until_complete(hassio.setup())
+    loop.run_until_complete(coresys.core.setup())
 
-    loop.call_soon_threadsafe(loop.create_task, hassio.start())
+    loop.call_soon_threadsafe(loop.create_task, coresys.core.start())
     loop.call_soon_threadsafe(bootstrap.reg_signal, loop)
 
     try:
@@ -49,7 +47,7 @@ if __name__ == "__main__":
         loop.run_forever()
     finally:
         _LOGGER.info("Stopping HassIO")
-        loop.run_until_complete(hassio.stop())
+        loop.run_until_complete(coresys.core.stop())
         executor.shutdown(wait=False)
         loop.close()
 
diff --git a/hassio/addons/addon.py b/hassio/addons/addon.py
index cfe28e6f4..4bebda235 100644
--- a/hassio/addons/addon.py
+++ b/hassio/addons/addon.py
@@ -376,7 +376,7 @@ class Addon(CoreSysAttributes):
         if self.is_installed and \
                 ATTR_AUDIO_OUTPUT in self._data.user[self._id]:
             return self._data.user[self._id][ATTR_AUDIO_OUTPUT]
-        return self.sys_alsa.default.output
+        return self.sys_host.alsa.default.output
 
     @audio_output.setter
     def audio_output(self, value):
@@ -394,7 +394,7 @@ class Addon(CoreSysAttributes):
 
         if self.is_installed and ATTR_AUDIO_INPUT in self._data.user[self._id]:
             return self._data.user[self._id][ATTR_AUDIO_INPUT]
-        return self.sys_alsa.default.input
+        return self.sys_host.alsa.default.input
 
     @audio_input.setter
     def audio_input(self, value):
@@ -537,7 +537,7 @@ class Addon(CoreSysAttributes):
 
     def write_asound(self):
         """Write asound config to file and return True on success."""
-        asound_config = self.sys_alsa.asound(
+        asound_config = self.sys_host.alsa.asound(
             alsa_input=self.audio_input, alsa_output=self.audio_output)
 
         try:
diff --git a/hassio/api/hardware.py b/hassio/api/hardware.py
index 626f6d434..7830b9675 100644
--- a/hassio/api/hardware.py
+++ b/hassio/api/hardware.py
@@ -28,7 +28,7 @@ class APIHardware(CoreSysAttributes):
         """Show ALSA audio devices."""
         return {
             ATTR_AUDIO: {
-                ATTR_INPUT: self.sys_alsa.input_devices,
-                ATTR_OUTPUT: self.sys_alsa.output_devices,
+                ATTR_INPUT: self.sys_host.alsa.input_devices,
+                ATTR_OUTPUT: self.sys_host.alsa.output_devices,
             }
         }
diff --git a/hassio/bootstrap.py b/hassio/bootstrap.py
index f9e0a3ac5..a2fcda3cc 100644
--- a/hassio/bootstrap.py
+++ b/hassio/bootstrap.py
@@ -7,6 +7,7 @@ from pathlib import Path
 
 from colorlog import ColoredFormatter
 
+from .core import HassIO
 from .addons import AddonManager
 from .api import RestAPI
 from .const import SOCKET_DOCKER
@@ -18,7 +19,6 @@ from .tasks import Tasks
 from .updater import Updater
 from .services import ServiceManager
 from .services import Discovery
-from .host import AlsaAudio
 from .host import HostManager
 from .dbus import DBusManager
 
@@ -30,9 +30,9 @@ def initialize_coresys(loop):
     coresys = CoreSys(loop)
 
     # Initialize core objects
+    coresys.core = HassIO(coresys)
     coresys.updater = Updater(coresys)
     coresys.api = RestAPI(coresys)
-    coresys.alsa = AlsaAudio(coresys)
     coresys.supervisor = Supervisor(coresys)
     coresys.homeassistant = HomeAssistant(coresys)
     coresys.addons = AddonManager(coresys)
@@ -154,7 +154,12 @@ def check_environment():
 
     # check socat exec
     if not shutil.which('socat'):
-        _LOGGER.fatal("Can0t find socat program!")
+        _LOGGER.fatal("Can't find socat program!")
+        return False
+
+    # check socat exec
+    if not shutil.which('gdbus'):
+        _LOGGER.fatal("Can't find gdbus program!")
         return False
 
     return True
diff --git a/hassio/const.py b/hassio/const.py
index 1d318c5f4..7cdf21bb4 100644
--- a/hassio/const.py
+++ b/hassio/const.py
@@ -18,7 +18,6 @@ FILE_HASSIO_UPDATER = Path(HASSIO_DATA, "updater.json")
 FILE_HASSIO_SERVICES = Path(HASSIO_DATA, "services.json")
 
 SOCKET_DOCKER = Path("/var/run/docker.sock")
-SOCKET_HC = Path("/var/run/hassio-hc.sock")
 
 DOCKER_NETWORK = 'hassio'
 DOCKER_NETWORK_MASK = ip_network('172.30.32.0/23')
diff --git a/hassio/core.py b/hassio/core.py
index ff04545f9..b537ca95e 100644
--- a/hassio/core.py
+++ b/hassio/core.py
@@ -23,16 +23,19 @@ class HassIO(CoreSysAttributes):
         if self.sys_config.timezone == 'UTC':
             self.sys_config.timezone = await fetch_timezone(self._websession)
 
-        # supervisor
+        # Load DBus
+        await self.sys_dbus.load()
+
+        # Load Host
+        await self.sys_host.load()
+
+        # Load Supervisor
         await self.sys_supervisor.load()
 
-        # hostcontrol
-        await self._host_control.load()
-
-        # Load homeassistant
+        # Load Home Assistant
         await self.sys_homeassistant.load()
 
-        # Load addons
+        # Load Add-ons
         await self.sys_addons.load()
 
         # rest api views
@@ -50,9 +53,6 @@ class HassIO(CoreSysAttributes):
         # start dns forwarding
         self.sys_create_task(self.sys_dns.start())
 
-        # start addon mark as initialize
-        await self.sys_addons.auto_boot(STARTUP_INITIALIZE)
-
     async def start(self):
         """Start HassIO orchestration."""
         # on release channel, try update itself
@@ -67,6 +67,9 @@ class HassIO(CoreSysAttributes):
         await self.sys_api.start()
         _LOGGER.info("Start API on %s", self.sys_docker.network.supervisor)
 
+        # start addon mark as initialize
+        await self.sys_addons.auto_boot(STARTUP_INITIALIZE)
+
         try:
             # HomeAssistant is already running / supervisor have only reboot
             if self.sys_hardware.last_boot == self.sys_config.last_boot:
diff --git a/hassio/coresys.py b/hassio/coresys.py
index 0c0da79d1..6d16e5a81 100644
--- a/hassio/coresys.py
+++ b/hassio/coresys.py
@@ -32,6 +32,7 @@ class CoreSys:
         self._dns = DNSForward(loop=loop)
 
         # Internal objects pointers
+        self._core = None
         self._homeassistant = None
         self._supervisor = None
         self._addons = None
@@ -40,9 +41,9 @@ class CoreSys:
         self._snapshots = None
         self._tasks = None
         self._host = None
+        self._dbus = None
         self._services = None
         self._discovery = None
-        self._alsa = None
 
     @property
     def arch(self):
@@ -104,9 +105,16 @@ class CoreSys:
         return self._dns
 
     @property
-    def systemd(self):
-        """Return systemd object."""
-        return self._systemd
+    def core(self):
+        """Return HassIO object."""
+        return self._core
+
+    @core.setter
+    def core(self, value):
+        """Set a HassIO object."""
+        if self._core:
+            raise RuntimeError("HassIO already set!")
+        self._core = value
 
     @property
     def homeassistant(self):
@@ -217,16 +225,16 @@ class CoreSys:
         self._discovery = value
 
     @property
-    def alsa(self):
-        """Return ALSA Audio object."""
-        return self._alsa
+    def dbus(self):
+        """Return DBusManager object."""
+        return self._dbus
 
-    @alsa.setter
-    def alsa(self, value):
-        """Set a ALSA Audio object."""
-        if self._alsa:
-            raise RuntimeError("ALSA already set!")
-        self._alsa = value
+    @dbus.setter
+    def dbus(self, value):
+        """Set a DBusManager object."""
+        if self._dbus:
+            raise RuntimeError("DBusManager already set!")
+        self._dbus = value
 
     @property
     def host(self):
diff --git a/hassio/dbus/__init__.py b/hassio/dbus/__init__.py
index a7cb5651b..4a5ae4a4e 100644
--- a/hassio/dbus/__init__.py
+++ b/hassio/dbus/__init__.py
@@ -7,8 +7,9 @@ from ..coresys import CoreSysAttributes
 class DBusManager(CoreSysAttributes):
     """DBus Interface handler."""
 
-    def __init__(self):
+    def __init__(self, coresys):
         """Initialize DBus  Interface."""
+        self.coresys = coresys
         self._systemd = Systemd()
 
     @property
diff --git a/hassio/dbus/hostname.py b/hassio/dbus/hostname.py
new file mode 100644
index 000000000..1c25f61fa
--- /dev/null
+++ b/hassio/dbus/hostname.py
@@ -0,0 +1 @@
+"""DBus interface for hostname."""
diff --git a/hassio/dbus/systemd.py b/hassio/dbus/systemd.py
index 5089035e8..cbdb264f0 100644
--- a/hassio/dbus/systemd.py
+++ b/hassio/dbus/systemd.py
@@ -1,8 +1,9 @@
 """Interface to Systemd over dbus."""
 import logging
 
-from ..exceptions import HassioInternalError
-from ..utils.gdbus import DBus, DBusError
+from .utils import dbus_connected
+from ..exceptions import DBusError
+from ..utils.gdbus import DBus
 
 _LOGGER = logging.getLogger(__name__)
 
@@ -29,18 +30,18 @@ class Systemd:
         except DBusError:
             _LOGGER.warning("Can't connect to systemd")
 
-    async def reboot(self):
-        """Reboot host computer."""
-        try:
-            await self.dbus.Manager.Reboot()
-        except DBusError:
-            _LOGGER.error("Can't reboot host")
-            raise HassioInternalError() from None
+    @dbus_connected
+    def reboot(self):
+        """Reboot host computer.
 
-    async def shutdown(self):
-        """Shutdown host computer."""
-        try:
-            await self.dbus.Manager.PowerOff()
-        except DBusError:
-            _LOGGER.error("Can't PowerOff host")
-            raise HassioInternalError() from None
+        Return a coroutine.
+        """
+        return self.dbus.Manager.Reboot()
+
+    @dbus_connected
+    def shutdown(self):
+        """Shutdown host computer.
+
+        Return a coroutine.
+        """
+        return self.dbus.Manager.PowerOff()
diff --git a/hassio/dbus/utils.py b/hassio/dbus/utils.py
new file mode 100644
index 000000000..7c05bb174
--- /dev/null
+++ b/hassio/dbus/utils.py
@@ -0,0 +1,14 @@
+"""Utils for dbus."""
+
+from ..exceptions import HassioNotSupportedError
+
+
+def dbus_connected(method):
+    """Wrapper for check if dbus is connected."""
+    def wrap_dbus(self, *args, **kwargs):
+        """Check if dbus is connected before call a method."""
+        if self.dbus is None:
+            raise HassioNotSupportedError(f"{self!s} not connected to dbus!")
+        return self.method(*args, **kwargs)
+
+    return wrap_dbus
diff --git a/hassio/host/__init__.py b/hassio/host/__init__.py
index 1080ac6eb..ef8d997e1 100644
--- a/hassio/host/__init__.py
+++ b/hassio/host/__init__.py
@@ -1,6 +1,7 @@
 """Host function like audio/dbus/systemd."""
 
-from .alsa import AlsaAudio  # noqa
+from .alsa import AlsaAudio
+from .power import PowerControl
 from ..const import FEATURES_REBOOT, FEATURES_SHUTDOWN
 from ..coresys import CoreSysAttributes
 
@@ -11,13 +12,25 @@ class HostManager(CoreSysAttributes):
     def __init__(self, coresys):
         """Initialize Host manager."""
         self.coresys = coresys
+        self._alsa = AlsaAudio(coresys)
+        self._power = PowerControl(coresys)
+
+    @property
+    def alsa(self):
+        """Return host ALSA handler."""
+        return self._alsa
+
+    @property
+    def power(self):
+        """Return host power handler."""
+        return self._power
 
     @property
     def supperted_features(self):
         """Return a list of supported host features."""
         features = []
 
-        if self.sys_systemd.is_connected:
+        if self.sys_dbus.systemd.is_connected:
             features.extend([
                 FEATURES_REBOOT,
                 FEATURES_SHUTDOWN,
@@ -27,4 +40,4 @@ class HostManager(CoreSysAttributes):
 
     async def load(self):
         """Load host functions."""
-        await self.sys_systemd.connect()
+        pass
diff --git a/hassio/host/power.py b/hassio/host/power.py
new file mode 100644
index 000000000..880d7430a
--- /dev/null
+++ b/hassio/host/power.py
@@ -0,0 +1,33 @@
+"""Power control for host."""
+
+from ..coresys import CoreSysAttributes
+from ..exceptions import HassioNotSupportedError
+
+
+class PowerControl(CoreSysAttributes):
+    """Handle host power controls."""
+
+    def __init__(self, coresys):
+        """Initialize host power handling."""
+        self.coresys = coresys
+
+    def _check_systemd(self):
+        """Check if systemd is connect or raise error."""
+        if not self.sys_dbus.systemd.is_connected:
+            raise HassioNotSupportedError("No systemd connections")
+
+    async def reboot(self):
+        """Reboot host system."""
+        self._check_systemd()
+        try:
+            await self.sys_core.shutdown()
+        finally:
+            await self.sys_dbus.systemd.reboot()
+
+    async def shutdown(self):
+        """Shutdown host system."""
+        self._check_systemd()
+        try:
+            await self.sys_core.shutdown()
+        finally:
+            await self.sys_dbus.systemd.shutdown()