Thermostats compatible with Amazon Alexa (Echo)

2 thermostats verified to work with Amazon Alexa (Echo), with what each one needs (hub, bridge or Thread border router) and current prices.

• ecobee Smart Thermostat Premium $260
  Thermostats wifibluetooth

  'Works with Apple HomeKit', 'Alexa Built-in', Google Assistant voice, SmartThings listed (ecobee). Dual-band WiFi + BT 5.0 + 915 MHz for its room sensors. Matter not advertised. Home Assistant: HomeKit-controller path exists, not verified here.

  Manufacturer spec

• Google Nest Learning Thermostat (4th gen) $280
  Thermostats wifimatter Matter (native)

  Google Home native. 'Finally adds Apple Home support via Matter' - pair via Settings > Matter QR code; 'you do need to have a Home Hub to use Matter accessories' (Apple TV/HomePod on the Apple side). Alexa/SmartThings/HA via Matter. Caveat: the included room temperature sensors 'don't support Matter or Apple Home' - they stay Google-only.

  Manufacturer spec