Best Smart Thermostats · head-to-head

Google Nest Learning Thermostat (4th Gen) 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

Google Nest Learning Thermostat (4th Gen)Amazon Smart Thermostat
US price$279.99 (US MSRP $279.99 per SafeWise review citing current listing. Released August 20, 2024. Available in Stainless Steel, Polished Gold, Obsidian, Snow colorways.)$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.)
BrandGoogle NestAmazon
Released2024-082021
display2.68-inch circular stainless-steel framed display with Farsight (activates when motion detected), 3.9-inch diameter bodyBasic segmented LED/LCD display; no color touchscreen
sensors includedTemperature, humidity, occupancy (60 GHz Soli radar), ambient light; up to 6 additional Nest temperature sensors supportedTemperature plus indoor humidity sensor (humidity reported in Alexa app, not shown on the on-unit display); no occupancy sensor, no remote sensor support
geofencingtruetrue
hvac compatibilityMost 24V systems: single- and multi-stage forced air (gas/oil/electric), heat pumps (1-3 stage heating, 1-2 stage cooling), radiant, hydronic, boilers; not compatible with communicating HVAC systemsLow-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 requiredfalsefalse
voice assistantsGoogle Assistant (built-in via Google Home app), Amazon Alexa, MatterAmazon Alexa only (requires separate Echo device)
energy reportstruetrue
release2024-082021

Sources — Google Nest Learning Thermostat (4th Gen): en.wikipedia.org (verified 2026-06-15). Amazon Smart Thermostat: safewise.com (verified 2026-06-15).

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