Emerson Sensi Wi-Fi Thermostat for Multiple Thermostat Manager, 6-pack, DIY Version

So, when do you need a c-wire?

• Heat Only and Cool Only systems
• Heat pump systems
• Using Sensi thermostat with Apple HomeKit

Most install in 30 minutes or less**.

Easy DIY install. No experience required.

With step-by-step instructions and video tutorials right in the mobile app, most people install Sensi in 30 minutes or less.

The intuitive mobile app automatically configures the setting that matches your home.

The Sensi Wi-Fi Thermostat works with your home’s existing wires, and does not require a common wire (c-wire) in most cases.

Check system compatibility using the compatibility check tool on our website

Check your system wires using the Sensi compatibility check tool on our website.

Sensi thermostat is not compatible with:

• Line voltage or electric baseboard heat
• Proprietary/ communicating/ serial protocol
• Millivolt (mV) systems
• Incompatible routers: Refer to Sensi’s online compatibility resources.

Extensive compatibility with heating and cooling systems in most homes.***

Works with the wires you already have.

Compatibility is our top priority with Sensi Wi-Fi Thermostat. This thermostat works with the following systems:

• Conventional – up to two stages of heating and two stages of cooling (2H/2C)
• Heat Pump* – up to 4 stages of heating and two stages of cooling (4H/2C)
• Heat Only* and Cool Only* (C-wire needed)
• Gas, Oil, Electric
• Geothermal and Dual-fuel
• *This system type requires a common wire (c-wire).