Amazon Smart Thermostat (US) vs Honeywell Home T9 (US)
Smart thermostats · For the US and Canada
- Both work with Amazon Alexa.
- The Honeywell Home T9 (US) works with Apple Home, Google Home and SmartThings; for the Amazon Smart Thermostat (US) it isn't confirmed.
- Neither is confirmed to work with Home Assistant.
- They also differ on: hub required, controls and power.
Side by side
| Fact | Amazon Smart Thermostat (US) | Honeywell Home T9 (US) |
|---|---|---|
| Matter | Unconfirmed | Unconfirmed |
| Apple Home | Unconfirmed | Yes[2],[4] |
| Google Home | Unconfirmed | Yes[2] |
| Amazon Alexa | Yes[1] | Yes[2] |
| SmartThings | Unconfirmed | Yes[2] |
| Home Assistant | Unconfirmed | Unconfirmed |
| Radio | Wi-Fi[1] | Wi-Fi[1] |
| Hub required | Unconfirmed | No[1] |
| Local control | Unconfirmed | Unconfirmed |
| Type | Wall thermostat[1] | Wall thermostat[1] |
| Controls | Most 24 V HVAC, incl. heat pumps[1],[2] | Most 24 V heat, cool and heat pump systems[5] |
| Power | C-wire (24 V) or adapter kit[1] | C-wire (24 V); adapter included[3],[4] |
A bar on the left marks the rows where they differ. Numbers in brackets lead to the source on each device's own page, which also has the notes and what to check before you buy. Checked against official sources; the older of the two records was verified on . How we verify.
Quick answers
- Amazon Smart Thermostat (US) or Honeywell Home T9 (US): which works with Apple Home?
- Confirmed only for the Honeywell Home T9 (US). The Amazon Smart Thermostat (US) isn't confirmed either way; the Honeywell Home T9 (US) works directly. More smart thermostats for Apple Home
- Amazon Smart Thermostat (US) or Honeywell Home T9 (US): which works with Google Home?
- Confirmed only for the Honeywell Home T9 (US). The Amazon Smart Thermostat (US) isn't confirmed either way; the Honeywell Home T9 (US) works directly. More smart thermostats for Google Home
- Amazon Smart Thermostat (US) or Honeywell Home T9 (US): which works with Amazon Alexa?
- Both work with Amazon Alexa directly. More smart thermostats for Amazon Alexa
- Amazon Smart Thermostat (US) or Honeywell Home T9 (US): which works with SmartThings?
- Confirmed only for the Honeywell Home T9 (US). The Amazon Smart Thermostat (US) isn't confirmed either way; the Honeywell Home T9 (US) works directly. More smart thermostats for SmartThings
- Amazon Smart Thermostat (US) or Honeywell Home T9 (US): which works with Home Assistant?
- Not confirmed for either: we couldn't find an official source either way.
Full details and sources: Amazon Smart Thermostat (US) · Honeywell Home T9 (US)