diff --git a/.coveragerc b/.coveragerc
index 4cb4db94e32..a63e0e48980 100644
--- a/.coveragerc
+++ b/.coveragerc
@@ -95,6 +95,7 @@ omit =
     homeassistant/components/switch/transmission.py
     homeassistant/components/switch/wemo.py
     homeassistant/components/thermostat/nest.py
+    homeassistant/components/thermostat/radiotherm.py
 
 
 [report]
diff --git a/homeassistant/components/thermostat/radiotherm.py b/homeassistant/components/thermostat/radiotherm.py
new file mode 100644
index 00000000000..3acd3ef8986
--- /dev/null
+++ b/homeassistant/components/thermostat/radiotherm.py
@@ -0,0 +1,116 @@
+"""
+homeassistant.components.thermostat.radiotherm
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+Adds support for Radio Thermostat wifi-enabled home thermostats
+"""
+import logging
+import datetime
+from urllib.error import URLError
+
+from homeassistant.components.thermostat import (ThermostatDevice, STATE_COOL,
+                                                 STATE_IDLE, STATE_HEAT)
+from homeassistant.const import (CONF_HOST, TEMP_FAHRENHEIT)
+
+REQUIREMENTS = ['radiotherm==1.2']
+
+
+def setup_platform(hass, config, add_devices, discovery_info=None):
+    """ Sets up the Radio Thermostat. """
+    import radiotherm
+
+    logger = logging.getLogger(__name__)
+
+    hosts = []
+    if CONF_HOST in config:
+        hosts = [config[CONF_HOST]]
+    else:
+        hosts.append(radiotherm.discover.discover_address())
+
+    if hosts is None:
+        logger.error("no radiotherm thermostats detected")
+        return
+
+    tstats = []
+
+    for host in hosts:
+        try:
+            tstat = radiotherm.get_thermostat(host)
+            tstats.append(RadioThermostat(tstat))
+        except (URLError, OSError):
+            logger.exception(
+                "Unable to connect to Radio Thermostat: %s", host)
+
+    add_devices(tstats)
+
+
+class RadioThermostat(ThermostatDevice):
+    """ Represent a Radio Thermostat. """
+
+    def __init__(self, device):
+        self.device = device
+        self.set_time()
+        self._target_temperature = None
+        self._current_temperature = None
+        self._operation = STATE_IDLE
+        self._name = None
+        self.update()
+
+    @property
+    def name(self):
+        """ Returns the name of the Radio Thermostat. """
+        return self._name
+
+    @property
+    def unit_of_measurement(self):
+        """ Unit of measurement this thermostat expresses itself in. """
+        return TEMP_FAHRENHEIT
+
+    @property
+    def device_state_attributes(self):
+        """ Returns device specific state attributes. """
+        return {
+            "fan": self.device.fmode['human'],
+            "mode": self.device.tmode['human']
+        }
+
+    @property
+    def current_temperature(self):
+        """ Returns the current temperature. """
+        return round(self._current_temperature, 1)
+
+    @property
+    def operation(self):
+        """ Returns current operation. head, cool idle """
+        return self._operation
+
+    @property
+    def target_temperature(self):
+        """ Returns the temperature we try to reach. """
+
+        return round(self._target_temperature, 1)
+
+    def update(self):
+        self._current_temperature = self.device.temp['raw']
+        self._name = self.device.name['raw']
+        if self.device.tmode['human'] == 'Cool':
+            self._target_temperature = self.device.t_cool['raw']
+            self._operation = STATE_COOL
+        elif self.device.tmode['human'] == 'Heat':
+            self._target_temperature = self.device.t_heat['raw']
+            self._operation = STATE_HEAT
+        else:
+            self._operation = STATE_IDLE
+
+    def set_temperature(self, temperature):
+        """ Set new target temperature """
+        if self._operation == STATE_COOL:
+            self.device.t_cool = temperature
+        elif self._operation == STATE_HEAT:
+            self.device.t_heat = temperature
+        self.device.hold = 1
+
+    def set_time(self):
+        """ Set device time """
+        now = datetime.datetime.now()
+        self.device.time = {'day': now.weekday(),
+                            'hour': now.hour, 'minute': now.minute}
diff --git a/requirements_all.txt b/requirements_all.txt
index a63956eb23f..de1fa9e40ac 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -147,3 +147,6 @@ python-telegram-bot==2.8.7
 
 # CPUinfo (sensor.cpuinfo)
 py-cpuinfo==0.1.6
+
+# Radio Thermostat (thermostat.radiotherm)
+radiotherm==1.2