Emerson Sensi Touch Wi-Fi Thermostat, Installation Manual, Page: 5 / 24

5
SYSTEM TYPE COMPATIBILITY MODIFICATIONS
Conventional heating
and cooling
• Gas furnace
• Air conditioner
• Electric furnace
• Boiler
Yes Requires a
common wire
(c-wire)
Heat only
• Gas furnace
• Electric furnace
• Boiler
Yes Requires a
common wire
(c-wire)
Cool only
• Air conditioner
Yes Requires a
common wire
(c-wire)
Heat pump Yes Requires a
common wire
(c-wire)
Communicating
proprietary
systems
No Needs standard
HVAC wiring
Line voltage No Requires
low voltage
(20-30VAC)
Millivolt systems No Requires
20-30VAC
Remote sensors,
whole home
humidifiers/
dehumidifiers
No Control of these
accessories is
not currently
supported
HVAC SYSTEM COMPATIBILITY