Sensi deals

Every Sensi product we track, with the ones currently below their normal price first.

Products tracked

On sale now

Best discount

30%

Median price

$126.99

Compare before you buy

Comparison

Amazon Smart Thermostat vs Sensi ST55: Alexa Scheduling or Basic Wall Programming?

Choose Amazon Smart Thermostat if you want to set schedules in Alexa. Choose Sensi ST55 if basic programming at the wall without Wi-Fi matters more.

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Comparison

Choose ecobee Premium or Sensi ST55 by Wiring and Room-Sensor Fit

Check wiring first, then decide whether a remote reading from another room is part of the purchase. ecobee Premium includes a PEK and one SmartSensor.

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Comparison

ecobee Enhanced vs Sensi ST55: Power and Wall Controls

Choose Enhanced for touch control or ST55 for physical buttons, after checking your exact system. Missing a C-wire alone does not settle the choice: Enhanced includes a PEK for eligible installations; ST55’s no-C-wire option excludes heat-only, cool-only and heat-pump systems.

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Comparison

ecobee Enhanced vs Sensi Touch 2: Choose by Wiring and Apple HomeKit Support

Check wiring and smart-home requirements before deciding. ecobee Enhanced lists a PEK that can power the thermostat without running a fifth wire.

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Comparison

ecobee Premium vs Sensi Touch 2: What Belongs in Your Starting Basket?

Choose ecobee Premium for a compatible installation with one room sensor already in the box. Choose Sensi Touch 2 when its common-wire power arrangement is confirmed and you prefer to buy room sensors only as needed.

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Comparison

Sensi ST55 vs Sensi Touch 2 ST76: Which Fits Your HVAC Setup and Control Preference?

Start with the common-wire (C-wire) requirement, then choose the wall interaction you prefer. A C-wire is not required for the ST55 in most applications but has listed exceptions; the ST76 requires one and uses a glass LCD touchscreen.

Read the decision guide →