Nest Thermostat 2020 (US) vs Honeywell Home T9 (US)
Smart thermostats · For the US and Canada
- Both work with Apple Home, Google Home and Amazon Alexa.
- The Nest Thermostat 2020 (US) works with Home Assistant; for the Honeywell Home T9 (US) it isn't confirmed.
- The Honeywell Home T9 (US) works with SmartThings; for the Nest Thermostat 2020 (US) it isn't confirmed.
- They also differ on: Matter, controls and power.
Side by side
| Fact | Nest Thermostat 2020 (US) | Honeywell Home T9 (US) |
|---|---|---|
| Matter | Yes, over Wi-Fi[2],[3],[6] | Unconfirmed |
| Apple Home | Via Matter[2],[3] | Yes[2],[4] |
| Google Home | Yes[1],[2] | Yes[2] |
| Amazon Alexa | Yes[1],[4] | Yes[2] |
| SmartThings | Unconfirmed | Yes[2] |
| Home Assistant | Yes[5],[7] | Unconfirmed |
| Radio | Wi-Fi[2] | Wi-Fi[1] |
| Hub required | No[1],[2] | No[1] |
| Local control | Unconfirmed | Unconfirmed |
| Type | Wall thermostat[1] | Wall thermostat[1] |
| Controls | Most 24 V systems, incl. heat pumps[1] | Most 24 V heat, cool and heat pump systems[5] |
| Power | HVAC wires, 2 × AAA backup[1],[8],[9] | 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
- Nest Thermostat 2020 (US) or Honeywell Home T9 (US): which works with Apple Home?
- Both. The Nest Thermostat 2020 (US) works through Matter; the Honeywell Home T9 (US) works directly. More smart thermostats for Apple Home
- Nest Thermostat 2020 (US) or Honeywell Home T9 (US): which works with Google Home?
- Both work with Google Home directly. More smart thermostats for Google Home
- Nest Thermostat 2020 (US) or Honeywell Home T9 (US): which works with Amazon Alexa?
- Both work with Amazon Alexa directly. More smart thermostats for Amazon Alexa
- Nest Thermostat 2020 (US) or Honeywell Home T9 (US): which works with SmartThings?
- Confirmed only for the Honeywell Home T9 (US). The Nest Thermostat 2020 (US) isn't confirmed either way; the Honeywell Home T9 (US) works directly. More smart thermostats for SmartThings
- Nest Thermostat 2020 (US) or Honeywell Home T9 (US): which works with Home Assistant?
- Confirmed only for the Nest Thermostat 2020 (US). The Nest Thermostat 2020 (US) works directly; the Honeywell Home T9 (US) isn't confirmed either way. More smart thermostats for Home Assistant
Full details and sources: Nest Thermostat 2020 (US) · Honeywell Home T9 (US)