If temperature falls below threshold, then call my device
Other popular Google Nest Thermostat workflows and automations
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Turn off Eco Mode When Temperature Rises Above Set Threshold
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Instantly turn thermostat off
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If humidity rises above 55%, then Turn on Dehumidifier
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House too hot!
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Set Smart Life devices to Heat Mode when the indoor temperature drops
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Button to Turn On Eco Mode
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Google Nest, ignit my pellet stove
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If temperature falls below {x}°, then Send a SMS notification from the IFTTT app
Build your own Google Nest Thermostat and WeMo Light Switch automations
Triggers (If this)
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Temperature rises above
This trigger fires when the temperature rises above a given threshold.
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Switched on
This Trigger fires every time your WeMo Light Switch is turned on.
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Temperature drops below
This trigger fires when the temperature drops below a given threshold.
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Switched off
This Trigger fires every time your WeMo Light Switch is turned off.
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Humidity rises above
This trigger fires when the humidity rises above a given threshold.
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Long press
This Trigger fires every time your WeMo Light Switch is turned on or off with a long press over two seconds.
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Humidity drops below
This trigger fires when the humidity drops below a given threshold.

Temperature rises above
This trigger fires when the temperature rises above a given threshold.

Switched on
This Trigger fires every time your WeMo Light Switch is turned on.

Temperature drops below
This trigger fires when the temperature drops below a given threshold.

Switched off
This Trigger fires every time your WeMo Light Switch is turned off.

Humidity rises above
This trigger fires when the humidity rises above a given threshold.

Long press
This Trigger fires every time your WeMo Light Switch is turned on or off with a long press over two seconds.

Humidity drops below
This trigger fires when the humidity drops below a given threshold.
Queries (With)
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History of long presses
This query returns a list instances of when your WeMo Light Switch was turned on or off with a long press over two seconds.
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History of WeMo Light Switch is turned off
This query returns a list of when your WeMo Light Switch was turned off.
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History of switched on
This query returns a list of when your WeMo Light Switch was turned on.

History of long presses
This query returns a list instances of when your WeMo Light Switch was turned on or off with a long press over two seconds.

History of WeMo Light Switch is turned off
This query returns a list of when your WeMo Light Switch was turned off.

History of switched on
This query returns a list of when your WeMo Light Switch was turned on.
Actions (Then that)
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Turn thermostat on
This action will turn on your thermostat.
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Turn on
This Action will turn a WeMo Light Switch on. If the WeMo Switch is already on, it will remain on.
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Turn thermostat off
This action will turn off your thermostat.
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Turn off
This Action will turn a WeMo Light Switch off. If the WeMo Switch is already off, it will remain off.
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Turn on Eco Mode
This action will turn on your thermostat with Eco Mode.
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Turn on then off
This Action will turn a WeMo Light Switch on then immediately back off.
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Turn off Eco Mode
This action will turn off your thermostat's Eco Mode. When the Eco mode is turned off, the thermostat mode will default to the last standard mode (HEAT, COOL, HEATCOOL, or OFF) that was active.
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Turn off then on
This Action will turn a WeMo Light Switch off then immediately back on.
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Set COOL temperature
This action will set the desired temperature in the COOL mode.
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Toggle on/off
This Action will toggle a WeMo Light Switch on or off.
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Set HOT temperature
This action will set the desired temperature in the HOT mode.
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Set temperature range
This action will set the desired temperature HEAT & COOL mode range.
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Turn on fan
This action will turn on your thermostat's fan for X minutes.
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Turn off fan
This action will turn off your thermostat's fan.

Turn thermostat on
This action will turn on your thermostat.

Turn on
This Action will turn a WeMo Light Switch on. If the WeMo Switch is already on, it will remain on.

Turn thermostat off
This action will turn off your thermostat.

Turn off
This Action will turn a WeMo Light Switch off. If the WeMo Switch is already off, it will remain off.

Turn on Eco Mode
This action will turn on your thermostat with Eco Mode.

Turn on then off
This Action will turn a WeMo Light Switch on then immediately back off.

Turn off Eco Mode
This action will turn off your thermostat's Eco Mode. When the Eco mode is turned off, the thermostat mode will default to the last standard mode (HEAT, COOL, HEATCOOL, or OFF) that was active.

Turn off then on
This Action will turn a WeMo Light Switch off then immediately back on.

Set COOL temperature
This action will set the desired temperature in the COOL mode.

Toggle on/off
This Action will toggle a WeMo Light Switch on or off.

Set HOT temperature
This action will set the desired temperature in the HOT mode.

Set temperature range
This action will set the desired temperature HEAT & COOL mode range.

Turn on fan
This action will turn on your thermostat's fan for X minutes.

Turn off fan
This action will turn off your thermostat's fan.
How to connect Google Nest Thermostat and WeMo Light Switch
Find or create an Applet
Start by discovering an automation to connect or customizing your own. It's quick and easy.Connect IFTTT to your accounts
Securely connect your Google Nest Thermostat and WeMo Light Switch accounts.Finalize and customize your Applet
Review your trigger and action settings. Your Applet is ready to go!Top integration tips, tools, and resources
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