diff --git a/.coveragerc b/.coveragerc
index 28b4b926eab..33ae68f0e69 100644
--- a/.coveragerc
+++ b/.coveragerc
@@ -97,6 +97,7 @@ omit =
     homeassistant/components/switch/rpi_gpio.py
     homeassistant/components/switch/transmission.py
     homeassistant/components/switch/wemo.py
+    homeassistant/components/thermostat/honeywell_round_connected.py
     homeassistant/components/thermostat/nest.py
     homeassistant/components/thermostat/radiotherm.py
 
diff --git a/homeassistant/components/thermostat/honeywell_round_connected.py b/homeassistant/components/thermostat/honeywell_round_connected.py
new file mode 100644
index 00000000000..cba05e06871
--- /dev/null
+++ b/homeassistant/components/thermostat/honeywell_round_connected.py
@@ -0,0 +1,101 @@
+"""
+homeassistant.components.thermostat.honeywell_round_connected
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+Adds support for Honeywell Round Connected thermostats.
+"""
+import socket
+import logging
+from homeassistant.components.thermostat import ThermostatDevice
+from homeassistant.const import (CONF_USERNAME, CONF_PASSWORD, TEMP_CELCIUS)
+logger=logging.getLogger(__name__)
+
+REQUIREMENTS = ['evohomeclient==0.2.3']
+
+
+# pylint: disable=unused-argument
+def setup_platform(hass, config, add_devices, discovery_info=None):
+    """ Sets up the honeywel thermostat. """
+    logger = logging.getLogger(__name__)
+
+    username = config.get(CONF_USERNAME)
+    password = config.get(CONF_PASSWORD)
+
+    if username is None or password is None:
+        logger.error("Missing required configuration items %s or %s",
+                     CONF_USERNAME, CONF_PASSWORD)
+        return
+
+    try:
+        from evohomeclient import EvohomeClient
+    except ImportError:
+        logger.exception(
+            "Error while importing dependency evohomeclient. "
+            "Did you maybe not install the python evohomeclient dependency?")
+
+        return
+
+    evo_api = EvohomeClient(username, password)
+    try:
+        add_devices([
+            RoundThermostat(evo_api)
+        ])
+    except socket.error:
+        logger.error(
+            "Connection error logging into the honeywell evohome web service"
+        )
+
+
+class RoundThermostat(ThermostatDevice):
+    """ Represents a Honeywell Round Connected thermostat. """
+
+    def __init__(self, device):
+        self.device = device
+        self._current_temperature = None
+        self._target_temperature = None
+        self._name = "round connected"
+        self.update()
+
+    @property
+    def name(self):
+        """ Returns the name of the honeywell, if any. """
+        return self._name
+
+    @property
+    def unit_of_measurement(self):
+        """ Unit of measurement this thermostat expresses itself in. """
+        return TEMP_CELCIUS
+
+    @property
+    def device_state_attributes(self):
+        """ Returns device specific state attributes. """
+        # Move these to Thermostat Device and make them global
+        return {}
+
+    @property
+    def current_temperature(self):
+        """ Returns the current temperature. """
+        return self._current_temperature
+
+    @property
+    def target_temperature(self):
+        """ Returns the temperature we try to reach. """
+        return self._target_temperature
+
+    def set_temperature(self, temperature):
+        """ Set new target temperature """
+        self.device.set_temperature(self._name, temperature)
+
+    @property
+    def should_poll(self):
+        """ Should poll the evohome cloud service """
+        return True
+
+    def update(self):
+        try:
+            # assuming I am only receiving one temperature sensor from the api..
+            _device = next(self.device.temperatures(force_refresh=True))
+            self._current_temperature = _device['temp']
+            self._target_temperature = _device['setpoint']
+            self._name = _device['name']
+        except StopIteration:
+            logger.error("Did not receive any temperature data from the evohomeclient api.")
diff --git a/requirements_all.txt b/requirements_all.txt
index 1296b8ed8e3..3843a431cca 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -150,3 +150,6 @@ py-cpuinfo==0.1.6
 
 # Radio Thermostat (thermostat.radiotherm)
 radiotherm==1.2
+
+# Honeywell Evo Home Client
+evohomeclient==0.2.3