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Knowledge Base

Smart Home Skill - Interact with thermostats through Amazon Alexa

Thermostats synced with the Amazon Alexa app can be controlled using many different commands. The following are some example commands for a thermostat with the name Living Room.

Example commands

To set the thermostat to a specific temperature:
  • “Alexa, set the Living Room to 76 degrees.”
  • “Alexa, decrease the Living Room to 68 degrees.”
  • “Alexa, adjust the Living Room temperature to 72 degrees.”
To increase or decrease the temperature by a specific amount:
  • “Alexa, increase the Living Room by 3 degrees.”
  • “Alexa, cool down the Living Room by 2 degrees.”
  • “Alexa, heat up the Living Room by 3 degrees.”
To adjust the temperature to a more comfortable level:
  • “Alexa, turn the Living Room heat up.”
  • “Alexa, make the Living Room colder.”
  • “Alexa, heat my Living Room.”

Note: These commands will adjust the temperature up or down by two degrees Fahrenheit (one degree Celsius).

Thermostat mode

The thermostat mode can impact how your commands adjust the thermostat.

AC or Heat

The temperature will be set to the requested value.

The requested temperature will become the new midpoint for the AC and Heat setpoints.

Example: If the AC (high setpoint) is set to 78 degrees and the heat (low setpoint) is set to 68 degrees, the midpoint is 73 degrees. If you request that the temperature be changed to 75 degrees, Alexa will adjust the AC (high setpoint) to 80 degrees and the heat (low setpoint) to 70 degrees.


Temperature adjustment commands will not work.

Frequently asked questions

What commands are not supported?

The Smart Home skill does not support commands to adjust thermostat fan settings. Additionally, commands that ask for the temperature from a thermostat are not supported.

Example: “Alexa, what is the Living Room temperature?” is not a supported command.

You cannot change your thermostat’s mode using the Smart Home skill. To check the temperature or change the thermostat mode, use the skill.

How do I control a specific thermostat?

To control thermostats using the Smart Home skill, you must use the exact name of the thermostat or group name as defined by Amazon Smart Home. This is different from the skill where you can give commands without mentioning a specific thermostat.

For more information on group interactions, see Smart Home Skill - Group devices together in Amazon Alexa.

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