Best Smart Thermostats · head-to-head
ecobee Smart Thermostat Premium vs Amazon Smart Thermostat
A sourced, side-by-side spec comparison. Amazon Smart Thermostat is cheaper at $59.99. Every spec and price links to its source.
Side by side
| ecobee Smart Thermostat Premium | Amazon Smart Thermostat | |
|---|---|---|
| US price | $259.99 (Current US MSRP $259.99 with free shipping per ecobee.com. Wikipedia notes launch price $249. Flagship ecobee model released 2022.) | $59.99 (US MSRP $59.99 (~$60). Announced Sept 28, 2021 in partnership with Honeywell Home; corroborated by Bloomberg launch coverage, Bob Vila 2026 review, and multiple utility marketplace listings. Third-party retail sometimes ~$79.99 but manufacturer MSRP is $60. Optional ~$25 C-wire power adapter kit available.) |
| Brand | ecobee | Amazon |
| Released | 2022 | 2021 |
| display | 4-inch full-color LCD touchscreen, 540x540 pixels | Basic segmented LED/LCD display; no color touchscreen |
| sensors included | Built-in temperature, humidity, occupancy (radar), proximity; includes one SmartSensor (temperature + occupancy) in box; up to 20 additional sensors supported | Temperature plus indoor humidity sensor (humidity reported in Alexa app, not shown on the on-unit display); no occupancy sensor, no remote sensor support |
| geofencing | true | true |
| hvac compatibility | Most 24VAC systems: conventional 2H/2C, heat pumps 2H/2C + 2 stage AUX, boilers, PTACs, fan coil units (up to 3 fan speeds); Power Extender Kit included | Low-voltage 24V systems (forced air gas/oil/electric, heat pumps); single-stage systems; does not support ACC-/ACC+ terminals, dual-band Wi-Fi only on 2.4 GHz |
| c wire required | false | false |
| voice assistants | Amazon Alexa (built-in), Apple Siri (via HomePod/HomePod mini), Google Assistant, Samsung SmartThings, IFTTT | Amazon Alexa only (requires separate Echo device) |
| energy reports | true | true |
| release | 2022 | 2021 |
Sources — ecobee Smart Thermostat Premium: ecobee.com (verified 2026-06-15). Amazon Smart Thermostat: safewise.com (verified 2026-06-15).