Thermostats spec cross-check · 2026-10-14
Nest Learning Thermostat (4th gen) vs Honeywell Home T9
Nest Learning Thermostat (4th gen) vs Honeywell Home T9 lines up the August 2024 Nest Learning Thermostat (4th gen) with the January 2026 Honeywell Home T9. The spec score is a weighted share of comparable rows in the thermostats database.
Honeywell Home T9 leads Nest Learning Thermostat (4th gen) vs Honeywell Home T9 on the weighted spec sheet, ahead on room sensors and matter.
Spec sheet
| Spec | Nest Learning Thermostat (4th gen) | Honeywell Home T9 |
|---|---|---|
| Room sensors | No included room sensor | Optional room sensorsLeads |
| Air quality | No air quality sensorTie | No air quality sensorTie |
| Matter | Matter not the point of this model | Matter on the 2026 SKULeads |
| Listed price | $229 | $179–$219 |
| Power | C-wire or Nest Power Connector | C-wire |
Who should buy which
Choose the Nest Learning Thermostat (4th gen) if you want a Google Home thermostat.
Choose the Honeywell Home T9 if you want a contractor thermostat. It leads on room sensors and matter.
Questions
Which is better, Nest Learning Thermostat (4th gen) or Honeywell Home T9?
Honeywell Home T9 leads Nest Learning Thermostat (4th gen) vs Honeywell Home T9 on the weighted spec sheet, ahead on room sensors and matter.
Nest Learning Thermostat (4th gen) vs Honeywell Home T9: which has the better room sensors?
Honeywell Home T9 leads on room sensors. Nest Learning Thermostat (4th gen): No included room sensor. Honeywell Home T9: Optional room sensors.
Nest Learning Thermostat (4th gen) vs Honeywell Home T9: which has the better Matter support?
Honeywell Home T9 leads on Matter support. Nest Learning Thermostat (4th gen): Matter not the point of this model. Honeywell Home T9: Matter on the 2026 SKU.
What did Nest Learning Thermostat (4th gen) and Honeywell Home T9 cost?
Nest Learning Thermostat (4th gen) and Honeywell Home T9 do not publish a comparable price figure. Nest Learning Thermostat (4th gen): $229. Honeywell Home T9: $179–$219.