Side-by-side comparison based on expert reviews and community consensus.
Google Nest Learning Thermostat (4th Gen)
Best for Google HomesHoneywell Home T9 Smart Thermostat
Best for Multi-Room ControlPrice
$180-$280
$150-$200
Summary
Nest pioneered the smart thermostat category and the 4th Gen adds improved AI scheduling and a sleek design that works without a C-wire. The go-to pick for anyone deep in the Google ecosystem.
Comes with a remote room sensor in the box so you can monitor two areas of your home from day one. The best pick for larger homes where one thermostat can't tell the whole story.
Pros
- Improved AI Smart Schedule suggests and adapts temperature changes automatically
- Works without a C-wire, making installation easier in older homes
- Attractive, iconic design that blends into any room
- Deep Google Home and Google Assistant integration
- Remote room sensor included in the box — no extra purchase needed
- Supports up to 20 additional remote sensors for whole-home coverage
- Compatible with Alexa and Google Assistant
- Packed with features including smart scheduling and geofencing
Cons
- Primarily locked into the Google ecosystem — limited cross-platform support
- No built-in remote room sensors included
- Google has a history of killing connectivity on older Nest devices
- Bulkier design compared to Nest and Ecobee models
- App experience not as polished as Ecobee or Nest
- Additional sensors sold separately beyond the included one
Our take
If your home runs on Google, don't overthink it — the Nest Learning Thermostat is the most polished, best-looking option and the AI scheduling actually learns your habits over time.
If you've ever had a room that's always too hot or too cold, the T9 solves that problem out of the box — no extra purchases required. It's the most practical choice for multi-room households.
Buy
