Will it work with your system?
Works well with
- Phone control and scheduling
- Systems the maker's checker confirms
Check first if you have
- Walls without a C wire, unless you add one
- Line-voltage baseboard heat
- Millivolt gas heaters
What it controls
The Sensi ST76 Smart Thermostat is a smart Wi-Fi thermostat. Systems, per the maker: Works with HVAC equipment found in most homes.
Check your wall for a C terminal: its maker says it needs a C wire ("Common wire (c-wire) is required"). The C wire guide covers adapters.
The listing doesn't state heat pump support; if you have an O/B wire, confirm with the maker before ordering. Heat pump wiring.
Connectivity: Wi-Fi. It amazon Alexa, Google Assistant, Hand Control, SmartThings.
Tick your terminals in the wiring checker to see whether its maker's statements cover your system.
Also on the listing: dimensions of 5.6 in (D) x 3.25 in (W) x 0.77 in (H), a weight of 9.92 ounces and a lcd touchscreen.
Warranty, per the listing: 3 years.
Compatibility and specs
These come from the maker's listing for this exact model; the source of each is marked. Anything the maker leaves out is marked not stated.
| Model number | ST76 | Retailer |
|---|---|---|
| Model name | Sensi Touch 2 | Retailer |
| Dimensions (seller) | 5.6"D x 3.25"W x 0.77"H | Retailer |
| Works with | Amazon Alexa, Google Assistant, Hand Control, SmartThings | Retailer |
| Features (seller) | Data Privacy, Easy DIY Install, Energy Savings, Programmable | Retailer |
| Connectivity | Wi-Fi | Retailer |
| Power | Common wire | Retailer |
| Voltage | 24 | Retailer |
| Display | LCD Touchscreen | Retailer |
| Mounting / installation | Wall Mount | Retailer |
| Product weight | 9.92 ounces | Retailer |
| Warranty | 3 years. | Retailer |
| C-wire | Common wire (c-wire) is required | Retailer |
| Works with systems | Works with HVAC equipment found in most homes | Retailer |
Strong points and weak points
Strong points
- Works with Amazon Alexa, Google Assistant
Weak points
- Needs a C wire (maker)
- Needs Wi-Fi for smart features
Wiring and install notes
- Compatibility statements are the maker's own. Confirm with the maker's compatibility checker, turn the power off before wiring, and leave line-voltage and furnace work to a licensed electrician or HVAC technician.
Thermostats to compare it with
FAQ
Does the Sensi ST76 Smart Thermostat need a C wire?
Does the Sensi ST76 Smart Thermostat work with a heat pump?
Other smart thermostats with similar wiring
- Honeywell Home TH9320WF5003 Smart Thermostat
- ecobee EB-STATe3L-01 Smart Thermostat
- ecobee EB-STATE3LTVP2-01 Smart Thermostat
- Honeywell Home RET97E5D1005/U Smart Thermostat
All smart thermostats in one grid · Every Sensi control listed
Our take
Suited to phone control and scheduling.
Where to get it
The link goes to this exact model's listing. Check that the box includes the trim plate or C-wire adapter you need, and confirm your wiring with the maker's compatibility checker before you order.
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