diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5be1afa..5790345 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,9 @@
+## [2.7.4]
+
+### Features
+* **thermostat example added**
+* `THERMOSTAT_MODE_COOL`, `THERMOSTAT_MODE_HEAT`, `THERMOSTAT_MODE_AUTO`, `THERMOSTAT_MODE_OFF` constants added to `_sinricpro_constants.py`
+
 ## [2.7.1]
 
 ### Features
diff --git a/examples/thermostat.py b/examples/thermostat.py
new file mode 100644
index 0000000..aa54375
--- /dev/null
+++ b/examples/thermostat.py
@@ -0,0 +1,43 @@
+from sinric import SinricPro, SinricProConstants
+import asyncio
+from asyncio import sleep
+
+APP_KEY = ""
+APP_SECRET = ""
+THERMOSTAT_ID = ""
+
+def power_state(device_id, state):
+    print('device_id: {} state: {}'.format(device_id, state))
+    return True, state
+
+def target_temperature(device_id, temperature):
+    print('device_id: {} set temperature: {}'.format(device_id, temperature))
+    return True, temperature
+
+def set_thermostate_mode(device_id, thermostat_mode):
+    print('device_id: {} set thermostat mode: {}'.format(device_id, thermostat_mode))
+    return True, thermostat_mode
+
+def mode_value(device_id, mode_value):
+    print(device_id, mode_value)
+    return True, mode_value
+
+async def events():
+    while True:
+        # client.event_handler.raise_event(THERMOSTAT_ID, SinricProConstants.SET_THERMOSTAT_MODE, data= { SinricProConstants.MODE : SinricProConstants.THERMOSTAT_MODE_COOL})
+        # client.event_handler.raise_event(THERMOSTAT_ID, SinricProConstants.SET_POWER_STATE, data= {SinricProConstants.STATE: SinricProConstants.POWER_STATE_OFF})
+        # client.event_handler.raise_event(THERMOSTAT_ID, SinricProConstants.CURRENT_TEMPERATURE, data={'humidity': 75.3, 'temperature': 24})
+        # Server will trottle / block IPs sending events too often.
+        await sleep(60)
+
+callbacks = {
+    SinricProConstants.SET_POWER_STATE: power_state,
+    SinricProConstants.TARGET_TEMPERATURE: target_temperature,
+    SinricProConstants.SET_THERMOSTAT_MODE: set_thermostate_mode
+}
+
+if __name__ == '__main__':
+    loop = asyncio.get_event_loop()
+    client = SinricPro(APP_KEY, [THERMOSTAT_ID], callbacks, event_callbacks=events,
+                       enable_log=True, restore_states=False, secret_key=APP_SECRET)
+    loop.run_until_complete(client.connect())
\ No newline at end of file
diff --git a/setup.py b/setup.py
index 6d652d2..818abba 100644
--- a/setup.py
+++ b/setup.py
@@ -10,7 +10,7 @@
 if sys.version_info < (3,6):
     sys.exit('Sorry, Python < 3.6 is not supported')
 
-VERSION = "2.7.3"
+VERSION = "2.7.4"
 
 with open('README.rst', 'r') as f:
     long_description = f.read()
diff --git a/sinric/_sinricpro_constants.py b/sinric/_sinricpro_constants.py
index 8a07ee3..8841555 100644
--- a/sinric/_sinricpro_constants.py
+++ b/sinric/_sinricpro_constants.py
@@ -59,8 +59,6 @@ class SinricProConstants(object):
     BANDS = 'bands' 
     THERMOSTATMODE = 'thermostatMode'
     MODE = 'mode'
-    
-
     # values
     LOCK_STATE_LOCKED = 'LOCKED'
     LOCK_STATE_UNLOCKED = 'UNLOCKED'
@@ -68,6 +66,11 @@ class SinricProConstants(object):
     POWER_STATE_ON = 'On'
     POWER_STATE_OFF = 'Off'
 
+    THERMOSTAT_MODE_COOL = 'COOL'
+    THERMOSTAT_MODE_HEAT = 'HEAT'
+    THERMOSTAT_MODE_AUTO = 'AUTO'
+    THERMOSTAT_MODE_OFF  = 'OFF'
+
     CLOSE = "Close"
     OPEN = "Open"