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Will it work for me?
Sensi thermostats are designed to work on most heating and cooling systems
Check your wires
First, you will need to remove the thermostat faceplate from the subbase. It should easily snap off to reveal the wires and terminal labels. If you see two sets of terminal labels, enter only the labels that correspond to your system type (Heat Pump or Conventional) as they are indicated in the Wire Picker.
Verify Compatibility
Conventional systems include boiler, gas furnace, radiant heat, electric heat and air conditioning. Heat pump systems include heat pump, dual fuel, geothermal
Sensi thermostat is not compatible with line voltage systems. A line voltage thermostat will typically have wires larger than 18 gauge and may not have terminal labels. If you’re unsure of your system voltage, you or a contractor should measure voltage using a multimeter. Sensi thermostat is rated for 20-30 VAC.
Sensi thermostats are not compatible with millivolt system. A millivolt (mV) system operates on very low power, less than one volt. Sensi is designed for 20-30 VAC systems.
If your old thermostat has wires attached to the following sets of terminals, the Sensi thermostat is not compatible with your proprietary or communicating system:
Your system is compatible, but needs a common wire for Sensi Touch and Sensi Touch 2.
Based on your thermostat wiring, Sensi smart thermostat is compatible with no modifications. You will need to add a common wire to be compatible with Sensi Touch and Sensi Touch 2 smart thermostats. Learn more about adding a common wire.
We work hard to engineer new thermostats to be compatible with a wide range of system configurations, so please keep an eye out in future models.
Hmm, something isn't quite right.
Let's go back and make sure that you've entered all the connected wires. There should be an R, RH, or RC wire attached to your thermostat.
Your system is compatible, but needs a common wire.
Based on your thermostat wiring, your system will need a common wire to be compatible with Sensi smart thermostat, Sensi Touch and Sensi Touch 2 smart thermostat. Learn more about adding a common wire.
We may need to take a closer look to see if your system is compatible. You can:
1) Take a picture of your wiring after removing the thermostat cover.
2) Contact our support team by email or phone.
Your system is compatible with most models but needs a common wire.
Based on your thermostat wiring, your system will need a common wire to be compatible with Sensi smart thermostat, Sensi Touch and Sensi Touch 2 smart thermostat. Learn more about adding a common wire. If you are installing and plan to use the humidification and/or dehumidifcation feature, then your system is not compatible with models UP500W or 1F86U-42WF.
Your system may be compatible but has an accessory that is not.
Based off of your thermostat wiring, your system may be compatible but you have an accessory that is not yet compatible with Sensi. Please email our support team with a picture of your current thermostat wiring for further information.
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