Honeywell Home T6 Pro (US) vs Honeywell Home T9 (US)
Smart thermostats · For the US and Canada
- Both work with Apple Home and Amazon Alexa.
- The Honeywell Home T9 (US) works with Google Home and SmartThings; for the Honeywell Home T6 Pro (US) it isn't confirmed.
- Neither is confirmed to work with Home Assistant.
- They also differ on: controls and power.
Side by side
| Fact | Honeywell Home T6 Pro (US) | Honeywell Home T9 (US) |
|---|---|---|
| Matter | Unconfirmed | Unconfirmed |
| Apple Home | Yes[1] | 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 | No[1] | No[1] |
| Local control | Unconfirmed | Unconfirmed |
| Type | Wall thermostat[1] | Wall thermostat[1] |
| Controls | Low voltage; up to 3 heat/2 cool heat pump, 2 heat/2 cool conventional[1] | Most 24 V heat, cool and heat pump systems[5] |
| Power | C-wire required[2] | 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
- Honeywell Home T6 Pro (US) or Honeywell Home T9 (US): which works with Apple Home?
- Both work with Apple Home directly. More smart thermostats for Apple Home
- Honeywell Home T6 Pro (US) or Honeywell Home T9 (US): which works with Google Home?
- Confirmed only for the Honeywell Home T9 (US). The Honeywell Home T6 Pro (US) isn't confirmed either way; the Honeywell Home T9 (US) works directly. More smart thermostats for Google Home
- Honeywell Home T6 Pro (US) or Honeywell Home T9 (US): which works with Amazon Alexa?
- Both work with Amazon Alexa directly. More smart thermostats for Amazon Alexa
- Honeywell Home T6 Pro (US) or Honeywell Home T9 (US): which works with SmartThings?
- Confirmed only for the Honeywell Home T9 (US). The Honeywell Home T6 Pro (US) isn't confirmed either way; the Honeywell Home T9 (US) works directly. More smart thermostats for SmartThings
- Honeywell Home T6 Pro (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: Honeywell Home T6 Pro (US) · Honeywell Home T9 (US)